{"id":3670,"date":"2020-07-23T11:40:08","date_gmt":"2020-07-23T09:40:08","guid":{"rendered":"https:\/\/woodpecker.co\/blog\/?p=3670"},"modified":"2025-01-21T10:17:06","modified_gmt":"2025-01-21T09:17:06","slug":"improve-email-deliverability","status":"publish","type":"post","link":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/","title":{"rendered":"How &#038; When to Test Email Deliverability? List of Tools &#038; Alternatives"},"content":{"rendered":"<p>Are you taking good care of your <a href=\"https:\/\/woodpecker.co\/blog\/how-to-write-a-cold-email-that-actually-works-six-step-tutorial\/\">cold <span id=\"urn:local-text-annotation-x2kg9me5e2ove7fzvyppcs16kthgbd2r\" class=\"textannotation disambiguated wl-thing\">email<\/span><\/a> campaigns\u2019 delivery rates? There are a few tools our team uses to help Woodpecker customers test <span id=\"urn:local-text-annotation-msiqtgyp9itlgmobl7wzbvhbaesxpcbo\" class=\"textannotation disambiguated wl-thing\">email<\/span> deliverability and improve it. In this post, we share this list with you and explain how &amp; when you can use email deliverability tools by yourself.<\/p>\n<h2>So&#8230; When and how to test <span id=\"urn:local-text-annotation-5dl26m6mdyc3upuz5dtqfh17wg0hxk6i\" class=\"textannotation disambiguated wl-thing\">email<\/span> deliverability?<\/h2>\n<p><span style=\"font-weight: 400;\">You should test email deliverability in two cases:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><b>Before starting your cold email campaign<\/b><span style=\"font-weight: 400;\"> (whether it\u2019s automated or not.)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>During your cold email campaign<\/b><span style=\"font-weight: 400;\">, if you have some reasons to suspect that your delivery rates may be low, or you get blocked from sending by your <span id=\"urn:local-text-annotation-cwpxxzatho44wahw5dsmat5aujuaaqh6\" class=\"textannotation disambiguated wl-thing\">email<\/span> service provider (for instance, Google.)<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">The tools included in this article let you discover the cause of your <span id=\"urn:local-text-annotation-mnyb9dlncj2ax68fwua67qzmt2q799hn\" class=\"textannotation disambiguated wl-thing\">email<\/span> deliverability problem. W<\/span>e listed them in no particular order.<br \/>\n\n<aside class=\"cta-block cta-block--a-version js-cta-block ab-no-10-cta-block ab-no-11-cta-block\">\n  <p class=\"cta-block__heading u-heading-preset-md-600\">Start improving deliverability<br \/>\nwith Woodpecker<\/p>\n  <div class=\"cta-block__form-container\">\n    <form class=\"js-cta-block-form\" action=\"https:\/\/woodpecker.co\/signup\/\" class=\"cta-block__button-only-form js-cta-block-no-input-form\">\n      \n\n\n\n\n\n\n\n\n<button class=\"c-button js-button c-button--color-main c-button--size-small u-focus-visible-outline\">\nStart free trial\n<\/button>    <\/form>\n    \n    <form class=\"c-input-button-form js-cta-block-form cta-block__form\" action=\"https:\/\/woodpecker.co\/signup\/\" method=\"POST\" novalidate>\n        \n  <div class=\"c-form-field js-form-field  c-input-button-form__form-field\">\n    \n    <label class=\"c-label c-form-field__label\" for=\"cta-block-form-email-849551155\">Work email<\/label>\n\n                    \n  <input class=\"c-input  js-input c-input-button-form__input\" placeholder=\"will@woodpecker.co\" name=\"email\" id=\"cta-block-form-email-849551155\" type=\"email\" \/>\n            \n    <span class=\"c-form-field__error js-error\">\n                                      Invalid email format\n        \n\n                <\/span>\n  <\/div>\n\n        <div class=\"c-input-button-form__button\">\n          \n\n\n\n\n\n\n\n\n<button class=\"cta-block__button c-button js-button c-button--color-main c-button--size-small u-focus-visible-outline\">\n                Start free trial\n        \n\n<\/button>        <\/div>\n\n            <\/form>\n  <\/div>\n<\/aside><\/p>\n<h2><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.mail-tester.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">#1 Mail-Tester.com<\/a><\/span><\/h2>\n<p><strong><em>Free for 3 checks\/day, then paid<\/em><\/strong> Mail-Tester\u00a0allows you to check in a few moments, if your cold <span id=\"urn:enhancement-29220c17\" class=\"textannotation disambiguated wl-thing\">email<\/span> may look spammy to other <span id=\"urn:enhancement-c6b11789\" class=\"textannotation disambiguated wl-thing\">email<\/span> servers and thus cause your <span id=\"urn:enhancement-fc6d7b62\" class=\"textannotation disambiguated wl-thing\">email<\/span> delivery rate to drop. It&#8217;s very easy to use, plus you can check up to three messages a day for free. You just go to their website and copy the <span id=\"urn:enhancement-c266c46\" class=\"textannotation disambiguated wl-thing\">email address<\/span> generated for you. Then you send your <span id=\"urn:enhancement-48715807\" class=\"textannotation disambiguated wl-thing\">email<\/span> to this address and you get a report.<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3111 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/03\/mailtester-e1489056948583.png\" alt=\"\" width=\"696\" height=\"398\" \/>\n<p>This email deliverability tool will show you your <a href=\"https:\/\/woodpecker.co\/blog\/cold-email\/reputation-domain-ip\/\" target=\"_blank\" rel=\"noopener noreferrer\">email server IP<\/a>, the info about your\u00a0<a href=\"https:\/\/woodpecker.co\/blog\/cold-email\/spf-dkim\/\" target=\"_blank\" rel=\"noopener noreferrer\">SPF &amp; DKIM<\/a> configuration, the general assessment of SpamAssassin system (more about it further in this post), the assessment\u00a0of your message content in the &#8220;eyes&#8221; of\u00a0spam filters, your potential presence on some blacklists, and the info about any broken links in your message.<\/p>\n<p>Then, based on all those factors, you&#8217;ll get a general score (0-10). The closer you get to 10, the better. 10 should be your\u00a0goal. 9-8 is a good score, but you should take seriously the hints Mail-Tester gives you and try to improve that. 7-6 is acceptable, but some strictest providers may block some of your <span id=\"urn:enhancement-ad7417d8\" class=\"textannotation disambiguated wl-thing\">emails<\/span>. You should never send an\u00a0<span id=\"urn:enhancement-c4cf5e9f\" class=\"textannotation disambiguated wl-thing\">email<\/span> scored\u00a05 or below.<\/p>\n<img decoding=\"async\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/03\/mail-tester-result-perfect.png\" alt=\"mailer\" \/>\n<p><strong>Note:<\/strong> One thing we&#8217;ve found about Mail-Tester, though, is that it tends to take into consideration some outdated RBLs (Realtime\u00a0Blackhole\u00a0Lists) which are blacklists of\u00a0IP addresses\u00a0whose owners have been refusing to stop sending\u00a0spam. That&#8217;s why in some cases your score may be decreased, even though your IP isn&#8217;t currently\u00a0listed on any blacklists. The blacklists you should care about, check, and avoid getting listed\u00a0on are: BL.SPAMCOP.NET CBL.ABUSEAT.ORG PBL.SPAMHAUS.ORG SBL.SPAMHAUS.ORG<\/p>\n<p><strong><a href=\"https:\/\/woodpecker.co\/blog\/deliverability\/avoid-email-blacklist\/\" target=\"_blank\" rel=\"noopener noreferrer\">Read more about email blacklists here &gt;&gt;<\/a><\/strong><\/p>\n<h3>Alternative to Mail-Tester<\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"><strong><a href=\"http:\/\/isnotspam.com\/\">Is Not Spam<\/a><\/strong>\u00a0\u2013 free version available;<\/span><\/li>\n<li><strong><a href=\"http:\/\/unlocktheinbox.com\" target=\"_blank\" rel=\"noopener noreferrer\">Unlock the Inbox<\/a><\/strong> \u2013 free version available; for more advanced users: it offers some technically detailed reports but no general score like Mail-Tester.<\/li>\n<\/ul>\n<h2><a href=\"http:\/\/spamcheck.postmarkapp.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">#2 Spamcheck by Postmark<\/span><\/a><\/h2>\n<p><em><strong>Free<\/strong><\/em> This is an online tool that allows you to check <a href=\"http:\/\/spamassassin.apache.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">SpamAssassin<\/a> scoring of your <span id=\"urn:enhancement-4581000f\" class=\"textannotation disambiguated wl-thing\">email<\/span>. What is SpamAssassin? Simply speaking, it&#8217;s a complex system of scoring <span id=\"urn:enhancement-d85bb35a\" class=\"textannotation disambiguated wl-thing\">email<\/span> messages designed to detect and filter spam. It&#8217;s used by many common <span id=\"urn:enhancement-d2feccfc\" class=\"textannotation disambiguated wl-thing\">email<\/span> providers, that&#8217;s why it&#8217;s so important to be aware of it and test your <span id=\"urn:enhancement-d9cf85ff\" class=\"textannotation disambiguated wl-thing\">emails<\/span> according to the system&#8217;s rules.<\/p>\n<p>How it works? When you go to <a href=\"http:\/\/spamcheck.postmarkapp.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Spamcheck by Postmark<\/a>, you&#8217;ll see that it\u00a0needs the source of your\u00a0<span id=\"urn:enhancement-e8dd2186\" class=\"textannotation disambiguated wl-thing\">email<\/span> to score it. The source of an <span id=\"urn:enhancement-d98f751a\" class=\"textannotation disambiguated wl-thing\">email<\/span> is the whole of an <span id=\"urn:enhancement-3a96e2ea\" class=\"textannotation disambiguated wl-thing\">email<\/span> message, but not the whole you normally see, but the whole that your server normally sees. How to get to the source? Usually, there&#8217;s an option to see the source of a message in the <span id=\"urn:enhancement-216a920b\" class=\"textannotation disambiguated wl-thing\">inbox<\/span> of your email client. So the first thing you need to do is to send\u00a0the message you want to test to one of your own <span id=\"urn:enhancement-7a979009\" class=\"textannotation disambiguated wl-thing\">email addresses<\/span>. Next, you go to the <span id=\"urn:enhancement-19c758c3\" class=\"textannotation disambiguated wl-thing\">inbox<\/span>, open the message and look for some options. In Gmail, for instance, you&#8217;ll see the options in the top right corner of the message window. To see the source, you choose &#8216;Show original&#8217;.<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3685 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/email-source-gmail-e1499854624165.png\" alt=\"\" width=\"698\" height=\"274\" \/>\n<p><span style=\"font-weight: 400;\">Then, you&#8217;ll see what your <span id=\"urn:enhancement-90c9c0b\" class=\"textannotation disambiguated wl-thing\">email<\/span> really looks like. \ud83d\ude42 Copy the whole thing and paste it into Spamcheck. <\/span> <span style=\"font-weight: 400;\">What you will get as a result is a score. The score may be sub-zero and above zero. <strong>Important: the lower score\u00a0you get here, the better, <\/strong>which may be counter-intuitive, so remember about that. Anything close to 5 or higher will be\u00a0most probably automatically marked as spam by your prospects&#8217; <span id=\"urn:enhancement-2573b050\" class=\"textannotation disambiguated wl-thing\">email<\/span> providers.<\/span> So that&#8217;s what you can see when you paste the source of a <strong>spammy message<\/strong>:<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3694 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/Pasted-image-at-2017_07_11-03_29-PM-e1499865005235.png\" alt=\"\" width=\"698\" height=\"416\" \/>\n<p>And that&#8217;s what a <strong>deliverable message<\/strong> will look like:<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3695 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/spamcheck-postmark-good-e1499868171536.png\" alt=\"\" width=\"698\" height=\"298\" \/>\n<h2><a href=\"https:\/\/glockapps.com\/\"><span style=\"font-weight: 400;\">#3 Glock Apps<\/span><\/a><\/h2>\n<p><strong><em>Free for 3\u00a0tests, then paid<\/em><\/strong> This is a very interesting tool, based on\u00a0a simple idea,\u00a0which allows you to check how your message will be seen by, and delivered (or not delivered) to major <span id=\"urn:enhancement-ac5f6f94\" class=\"textannotation disambiguated wl-thing\">email<\/span> hosting services, including: <span id=\"urn:enhancement-71aa6623\" class=\"textannotation disambiguated wl-creative-work\">Gmail<\/span>, <span id=\"urn:enhancement-6b280638\" class=\"textannotation disambiguated wl-creative-work\">Outlook<\/span>, GoDaddy, <span id=\"urn:enhancement-fe29c9e\" class=\"textannotation disambiguated wl-creative-work\">Hotmail<\/span>, Yahoo, Apple and many more. How it works? You set up your account at <a href=\"https:\/\/glockapps.com\/\">Glock Apps<\/a>, you click on &#8216;start test&#8217;. <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3698 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/glockapps-step1.png\" alt=\"\" width=\"814\" height=\"391\" srcset=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/glockapps-step1.png 814w, https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/glockapps-step1-300x144.png 300w, https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/glockapps-step1-768x369.png 768w\" sizes=\"(max-width: 814px) 100vw, 814px\" \/> At this point, you&#8217;ll be given a code that you are supposed to paste into your message. You also get a list of addresses set up on different <span id=\"urn:enhancement-76fe58fe\" class=\"textannotation disambiguated wl-thing\">email<\/span> hosting services. These are real addresses \u2013 physically set up mailboxes. So you copy the addresses and paste them as the addressees of your message. Then you just send your message (including the code) to all those addresses, and after a few moments, you get a report on the message in the Glock Apps dashboard. In the report, you&#8217;ll see an average delivery rate across all the tested hosts, as well as detailed reports for every host, listed one by one. \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"wp-image-3699 size-full aligncenter\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/glockapps-step2-e1499869685710.png\" alt=\"\" width=\"698\" height=\"158\" \/> \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"wp-image-3700 size-full aligncenter\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/GlockApps-gmail-e1499869729452.png\" alt=\"\" width=\"698\" height=\"232\" \/> \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3701 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/GlockApps-outlook-e1499869672637.png\" alt=\"\" width=\"698\" height=\"232\" \/>\n<p>An interesting feature this tool also has is the suggestions of possible reasons that may negatively affect deliverability. So as a user, you get a set of hints on your content and <span id=\"urn:enhancement-c8a585f0\" class=\"textannotation disambiguated wl-thing\">email<\/span> settings, which you can start from on the way to improving your delivery rates.<\/p>\n<h2><a href=\"https:\/\/www.sendforensics.com\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"font-weight: 400;\">#4 SendForensics<\/span><\/a><\/h2>\n<p><em><strong>Free for testing <span id=\"urn:enhancement-84b32979\" class=\"textannotation disambiguated wl-thing\">emails<\/span> sent from 1 domain (only limited reports), then <a href=\"https:\/\/www.sendforensics.com\/pricing\/\">paid<\/a><\/strong><\/em> It&#8217;s a rather complex tool which will provide you with a very detailed analysis of your deliverability potential based on a wide variety of factors. After you set up an account in the tool, you will get a unique <span id=\"urn:enhancement-c84218f8\" class=\"textannotation disambiguated wl-thing\">email address<\/span> for testing your messages. You can send your <span id=\"urn:enhancement-38fd6935\" class=\"textannotation disambiguated wl-thing\">emails<\/span> from different addresses and domains to this single address, and see the analysis of all the messages in your SendForensics dashboard. \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3702 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/SendForensics-dashboard-e1499870688699.png\" alt=\"\" width=\"698\" height=\"234\" \/>\n<p><span style=\"font-weight: 400;\">The tool shows quite a lot of data so it will be helpful to more advanced and tech-savvy users. On the other hand, the less advanced users can benefit from the general deliverability assessment expressed in percentage (the Deliverability column of the dashboard). <\/span> I think all users, regardless of the level of technical proficiency, will enjoy the feature of message content analysis. SendForensics performs an assessment of your email content and displays a result on a scale from &#8216;natural conversational&#8217; to &#8216;overly-promotional&#8217;. It will also point to the specific phrases in your copy which may alert anti-spam filters and decrease your delivery rate. \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-3703 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/SendForensics-content-analysis-e1499871061860.png\" alt=\"\" width=\"698\" height=\"593\" \/>\n<p><span style=\"font-weight: 400;\">What is more, the tool collects and compares the results of all your tests, so you can easily control if the changes you make in your copy and settings actually affect your deliverability in a positive or a negative way.<\/span><\/p>\n<h3>Alternative to SendForensics<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/www.emailonacid.com\/signup\">Email on Acid<\/a><\/strong> \u2013 offers a 7-day free trial.<\/li>\n<li><strong><a href=\"https:\/\/litmus.com\/spam-filter-tests\">Litmus<\/a><\/strong> \u2013 offers a 7-day free trial, but you need to enter your card info to sign up.<\/li>\n<li><strong><a href=\"https:\/\/250ok.com\" target=\"_blank\" rel=\"noopener noreferrer\">250ok<\/a><\/strong> \u2013 requires a live demo before you can start testing.<\/li>\n<\/ul>\n<p>\n<aside class=\"cta-block cta-block--a-version js-cta-block ab-no-10-cta-block ab-no-11-cta-block\">\n  <p class=\"cta-block__heading u-heading-preset-md-600\">More emails<br \/>\nto the main inbox<br \/>\nwith Woodpecker<\/p>\n  <div class=\"cta-block__form-container\">\n    <form class=\"js-cta-block-form\" action=\"https:\/\/woodpecker.co\/signup\/\" class=\"cta-block__button-only-form js-cta-block-no-input-form\">\n      \n\n\n\n\n\n\n\n\n<button class=\"c-button js-button c-button--color-main c-button--size-small u-focus-visible-outline\">\nStart free trial\n<\/button>    <\/form>\n    \n    <form class=\"c-input-button-form js-cta-block-form cta-block__form\" action=\"https:\/\/woodpecker.co\/signup\/\" method=\"POST\" novalidate>\n        \n  <div class=\"c-form-field js-form-field  c-input-button-form__form-field\">\n    \n    <label class=\"c-label c-form-field__label\" for=\"cta-block-form-email-1708098666\">Work email<\/label>\n\n                    \n  <input class=\"c-input  js-input c-input-button-form__input\" placeholder=\"will@woodpecker.co\" name=\"email\" id=\"cta-block-form-email-1708098666\" type=\"email\" \/>\n            \n    <span class=\"c-form-field__error js-error\">\n                                      Invalid email format\n        \n\n                <\/span>\n  <\/div>\n\n        <div class=\"c-input-button-form__button\">\n          \n\n\n\n\n\n\n\n\n<button class=\"cta-block__button c-button js-button c-button--color-main c-button--size-small u-focus-visible-outline\">\n                Start free trial\n        \n\n<\/button>        <\/div>\n\n            <\/form>\n  <\/div>\n<\/aside><\/p>\n<h2><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.talosintelligence.com\/reputation_center\/lookup\" target=\"_blank\" rel=\"noopener noreferrer\">#5 Talos<\/a><\/span><\/h2>\n<p><em><strong>Free<\/strong><\/em> Talos (formerly known as SenderBase) allows you\u00a0to check the reputation of your email server IP or your domain. To do that, you just enter the name of your domain or your IP to Talos, and click search. \u00a0 <\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-3689 size-full\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/Talos-1-e1499858104539.png\" alt=\"\" width=\"698\" height=\"172\" \/>\n<p>Then, it will show you if your web reputation and email reputation are\u00a0assessed as good, neutral or poor by other email service providers. You should obviously aim at good. Neutral is\u00a0a sign that there&#8217;s something to\u00a0improve. Poor means that most of your emails probably won&#8217;t get to their destination. Additionally, you can see if your email volume hasn&#8217;t changed too much over the past (you should avoid peaks in the volume of the sent emails). Plus, you&#8217;ll get informed in case you&#8217;ve been listed on a major blacklist.<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"wp-image-3693 size-full aligncenter\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/07\/Talos2-e1499859417793.png\" alt=\"\" width=\"698\" height=\"435\" \/>\n<h3>Alternative to Talos<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/senderscore.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sender Score<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/www.reputationauthority.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Reputation Authority<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/barracudacentral.org\/lookups\" target=\"_blank\" rel=\"noopener noreferrer\">BarracudaCentral<\/a><\/strong><\/li>\n<li><strong><a href=\"http:\/\/iplists.firehol.org\/\">FireHOL IP Lists<\/a><\/strong><\/li>\n<\/ul>\n<h2>What&#8217;s in it for you?<\/h2>\n<p>Which tool should you choose? That\u2019s a question only you can answer. In an ideal scenario, you should try out as many email deliverability tools as you can and find the most useful features in a few of them. Keep in mind that if you test your emails with more than one tool, you will get enough data to draw the right conclusions and thus quickly improve your <span id=\"urn:local-text-annotation-6u86gk25d7wc9hn0ayk8dmdebm9ox3oe\" class=\"textannotation disambiguated wl-thing\">email<\/span> deliverability.<\/p>\n<h3>Tip for Woodpecker users<\/h3>\n<p>If you&#8217;re already <a href=\"https:\/\/woodpecker.co\/how-it-works\/\" target=\"_blank\" rel=\"noopener noreferrer\">using Woodpecker<\/a> to automatically send your cold email sequences, you can spam check your emails as you go. Once you&#8217;ve written an email, click on the\u00a0<em>Spam check this email<\/em> below the sending time boxes.<\/p>\n<img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13554\" src=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2020\/01\/spam-check-300x133.png\" alt=\"spam check cold emails\" width=\"809\" height=\"359\" srcset=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2020\/01\/spam-check-300x133.png 300w, https:\/\/woodpecker.co\/blog\/app\/uploads\/2020\/01\/spam-check-768x340.png 768w, https:\/\/woodpecker.co\/blog\/app\/uploads\/2020\/01\/spam-check.png 974w\" sizes=\"(max-width: 809px) 100vw, 809px\" \/>\n<p>If you&#8217;d rather use one of the other tools, send a copy of your email to the test addresses provided by tools like Mail-Tester, Unlock the Inbox, SendForensics and so on. Just copy your campaign and add the test addresses as your prospects. Remember to fill out the custom fields. Then you can send the campaign and have it tested in a few tools at once by one click.<\/p>\n<h3>Tip for rookies<\/h3>\n<p>If you&#8217;re not very tech-savvy and you&#8217;re just getting off when it comes to controlling and improving your deliverability, start from the basics:<\/p>\n<h4><strong><a href=\"https:\/\/woodpecker.co\/blog\/cold-email\/reputation-domain-ip\/\" target=\"_blank\" rel=\"noopener noreferrer\">How to Check &amp; Improve the Reputation of Your Domain and Email Server IP &gt;&gt;<\/a><\/strong><\/h4>\n<h4><strong><a href=\"https:\/\/woodpecker.co\/blog\/cold-email\/deliverability-checks\/\" target=\"_blank\" rel=\"noopener noreferrer\">14 Deliverability Checks to Carry Out Before Sending Your Cold Email Campaign &gt;&gt;<\/a><\/strong><\/h4>\n<p>Hope this helps!<\/p>\n<h2>FAQs<\/h2>\n<h3>What is email deliverability and why is it important?<\/h3>\n<p>Email deliverability refers to the ability of marketing emails to reach the recipient&#8217;s inbox rather than being filtered into the spam folder. It is important because high deliverability rates ensure that your emails are seen by your audience, increasing engagement and the success of email marketing campaigns.<\/p>\n<h3>How does sender reputation affect email deliverability?<\/h3>\n<p>Sender reputation is a score assigned by internet service providers (ISPs) that reflects the trustworthiness of the sender&#8217;s IP address and domain. A good sender reputation improves email deliverability, while a poor reputation can lead to emails being filtered into the spam folder or rejected altogether.<\/p>\n<h3>What are spam complaints and how do they impact sender score?<\/h3>\n<p>Spam complaints occur when recipients mark your email as spam. High numbers of spam complaints negatively impact your sender score and reputation, reducing email deliverability and increasing the likelihood of future emails being caught by spam filters.<\/p>\n<h3>How can using a dedicated IP address improve email deliverability?<\/h3>\n<p>Using a dedicated IP address can improve email deliverability by isolating your sender reputation from other users. This control ensures that your email deliverability is influenced only by your own sending practices and not affected by the actions of other senders sharing the same IP address.<\/p>\n<h3>What role does the Sender Policy Framework (SPF) play in email authentication?<\/h3>\n<p>The Sender Policy Framework (SPF) is an email authentication protocol that helps prevent spam by verifying that emails claiming to come from a domain are sent by authorized IP addresses. Implementing SPF can improve sender reputation and email deliverability by reducing the risk of your emails being flagged as spam.<\/p>\n<h3>How do spam traps affect email marketing campaigns?<\/h3>\n<p>Spam traps are email addresses used by ISPs to identify and catch spammers. If your emails are sent to spam traps, it indicates poor list hygiene and can severely damage your sender reputation and deliverability. Regular email validation services can help avoid spam traps by ensuring your email list contains only valid addresses.<\/p>\n<h3>What are the benefits of using email validation services?<\/h3>\n<p>Email validation services help ensure that your email list contains valid and active email addresses. This reduces the risk of sending emails to invalid addresses, spam traps, or inactive accounts, improving sender reputation, email deliverability, and the overall success of your email marketing campaigns.<\/p>\n<h3>How do mailbox providers and spam filters determine email deliverability?<\/h3>\n<p>Mailbox providers and spam filters determine email deliverability based on several factors, including sender reputation, the presence of email authentication protocols like SPF and DomainKeys Identified Mail (DKIM), email content quality, and recipient engagement metrics like opens and clicks.<\/p>\n<h3>Why is relevant and valuable content important for email marketing?<\/h3>\n<p>Sending relevant and valuable content in your marketing emails is crucial for maintaining high engagement rates and low spam complaints. Engaged recipients are less likely to mark your emails as spam, which helps preserve your sender reputation and improve email deliverability.<\/p>\n<h3>What steps can be taken to avoid having emails land in the spam folder?<\/h3>\n<p>To avoid having emails land in the spam folder, ensure that you use proper email authentication protocols (SPF, DKIM, and DMARC), maintain a clean and validated email list, use a dedicated IP address, monitor and improve your sender reputation, and create relevant and valuable content for your recipients.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you taking good care of your cold email campaigns\u2019 delivery rates? There are a few tools our team uses to help Woodpecker customers test email deliverability and improve it. In this post, we share this list with you and explain how &#038; when you can use email deliverability tools by yourself.<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Test Email Deliverability and When? List of Tools &amp; Alternatives<\/title>\n<meta name=\"description\" content=\"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Test Email Deliverability and When? List of Tools &amp; Alternatives\" \/>\n<meta property=\"og:description\" content=\"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\" \/>\n<meta property=\"og:site_name\" content=\"Woodpecker Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/business.facebook.com\/woodpeckerapp\" \/>\n<meta property=\"article:published_time\" content=\"2020-07-23T09:40:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-21T09:17:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/03\/mailtester-e1489056948583.png\" \/>\n<meta name=\"author\" content=\"Margaret Sikora\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@woodpeckerapp\" \/>\n<meta name=\"twitter:site\" content=\"@woodpeckerapp\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\"},\"author\":{\"name\":\"Margaret Sikora\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/dbd5fae1eeb41a0caf2e2c7bda48059f\"},\"headline\":\"How &#038; When to Test Email Deliverability? List of Tools &#038; Alternatives\",\"datePublished\":\"2020-07-23T09:40:08+00:00\",\"dateModified\":\"2025-01-21T09:17:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\"},\"wordCount\":2218,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/#organization\"},\"articleSection\":[\"Deliverability\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\",\"url\":\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\",\"name\":\"How to Test Email Deliverability and When? List of Tools & Alternatives\",\"isPartOf\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/#website\"},\"datePublished\":\"2020-07-23T09:40:08+00:00\",\"dateModified\":\"2025-01-21T09:17:06+00:00\",\"description\":\"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#website\",\"url\":\"https:\/\/woodpecker.co\/blog\/\",\"name\":\"Woodpecker Blog\",\"description\":\"Woodpecker Blog - Pro Tips on Cold Emails, Follow-ups, Sales &amp; Growth\",\"publisher\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/woodpecker.co\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#organization\",\"name\":\"Woodpecker.co\",\"url\":\"https:\/\/woodpecker.co\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2015\/06\/WP_Logo_WersjaPodstawowa_Pionowa_CzarneTlo_RGB.jpg\",\"contentUrl\":\"https:\/\/woodpecker.co\/blog\/app\/uploads\/2015\/06\/WP_Logo_WersjaPodstawowa_Pionowa_CzarneTlo_RGB.jpg\",\"width\":1240,\"height\":874,\"caption\":\"Woodpecker.co\"},\"image\":{\"@id\":\"https:\/\/woodpecker.co\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/business.facebook.com\/woodpeckerapp\",\"https:\/\/twitter.com\/woodpeckerapp\",\"https:\/\/www.instagram.com\/woodpeckerapp\/\",\"https:\/\/www.linkedin.com\/company\/woodpecker-co\/\",\"https:\/\/www.youtube.com\/channel\/UCNN9wM55yaNI-KEZCfh66_A\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/dbd5fae1eeb41a0caf2e2c7bda48059f\",\"name\":\"Margaret Sikora\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/285df23338966e859f136eed9706c0a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/285df23338966e859f136eed9706c0a6?s=96&d=mm&r=g\",\"caption\":\"Margaret Sikora\"},\"description\":\"Product Manager and DPO at Woodpecker. A lawyer who gets the SaaS business, understands customers' needs, and speaks the language of IT guys.\",\"sameAs\":[\"https:\/\/www.linkedin.com\/in\/margaretsikora\/\",\"https:\/\/www.instagram.com\/margaret.sikora.official\"],\"url\":\"https:\/\/woodpecker.co\/blog\/author\/gosia-sikora\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Test Email Deliverability and When? List of Tools & Alternatives","description":"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/","og_locale":"en_US","og_type":"article","og_title":"How to Test Email Deliverability and When? List of Tools & Alternatives","og_description":"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.","og_url":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/","og_site_name":"Woodpecker Blog","article_publisher":"https:\/\/business.facebook.com\/woodpeckerapp","article_published_time":"2020-07-23T09:40:08+00:00","article_modified_time":"2025-01-21T09:17:06+00:00","og_image":[{"url":"https:\/\/woodpecker.co\/blog\/app\/uploads\/2017\/03\/mailtester-e1489056948583.png"}],"author":"Margaret Sikora","twitter_card":"summary_large_image","twitter_creator":"@woodpeckerapp","twitter_site":"@woodpeckerapp","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/#article","isPartOf":{"@id":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/"},"author":{"name":"Margaret Sikora","@id":"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/dbd5fae1eeb41a0caf2e2c7bda48059f"},"headline":"How &#038; When to Test Email Deliverability? List of Tools &#038; Alternatives","datePublished":"2020-07-23T09:40:08+00:00","dateModified":"2025-01-21T09:17:06+00:00","mainEntityOfPage":{"@id":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/"},"wordCount":2218,"commentCount":1,"publisher":{"@id":"https:\/\/woodpecker.co\/blog\/#organization"},"articleSection":["Deliverability"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/","url":"https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/","name":"How to Test Email Deliverability and When? List of Tools & Alternatives","isPartOf":{"@id":"https:\/\/woodpecker.co\/blog\/#website"},"datePublished":"2020-07-23T09:40:08+00:00","dateModified":"2025-01-21T09:17:06+00:00","description":"Wie kann man die Zustellbarkeit von E-Mails online testen? Vergewissern Sie sich, dass Ihre Dom\u00e4ne oder IP-Adresse nicht auf der schwarzen Liste steht, und testen Sie, ob Ihr E-Mail-Text nicht spammig aussieht.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/woodpecker.co\/blog\/improve-email-deliverability\/"]}]},{"@type":"WebSite","@id":"https:\/\/woodpecker.co\/blog\/#website","url":"https:\/\/woodpecker.co\/blog\/","name":"Woodpecker Blog","description":"Woodpecker Blog - Pro Tips on Cold Emails, Follow-ups, Sales &amp; Growth","publisher":{"@id":"https:\/\/woodpecker.co\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/woodpecker.co\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/woodpecker.co\/blog\/#organization","name":"Woodpecker.co","url":"https:\/\/woodpecker.co\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/woodpecker.co\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/woodpecker.co\/blog\/app\/uploads\/2015\/06\/WP_Logo_WersjaPodstawowa_Pionowa_CzarneTlo_RGB.jpg","contentUrl":"https:\/\/woodpecker.co\/blog\/app\/uploads\/2015\/06\/WP_Logo_WersjaPodstawowa_Pionowa_CzarneTlo_RGB.jpg","width":1240,"height":874,"caption":"Woodpecker.co"},"image":{"@id":"https:\/\/woodpecker.co\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/business.facebook.com\/woodpeckerapp","https:\/\/twitter.com\/woodpeckerapp","https:\/\/www.instagram.com\/woodpeckerapp\/","https:\/\/www.linkedin.com\/company\/woodpecker-co\/","https:\/\/www.youtube.com\/channel\/UCNN9wM55yaNI-KEZCfh66_A"]},{"@type":"Person","@id":"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/dbd5fae1eeb41a0caf2e2c7bda48059f","name":"Margaret Sikora","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/woodpecker.co\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/285df23338966e859f136eed9706c0a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/285df23338966e859f136eed9706c0a6?s=96&d=mm&r=g","caption":"Margaret Sikora"},"description":"Product Manager and DPO at Woodpecker. A lawyer who gets the SaaS business, understands customers' needs, and speaks the language of IT guys.","sameAs":["https:\/\/www.linkedin.com\/in\/margaretsikora\/","https:\/\/www.instagram.com\/margaret.sikora.official"],"url":"https:\/\/woodpecker.co\/blog\/author\/gosia-sikora\/"}]}},"_links":{"self":[{"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/posts\/3670"}],"collection":[{"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/comments?post=3670"}],"version-history":[{"count":22,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/posts\/3670\/revisions"}],"predecessor-version":[{"id":27899,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/posts\/3670\/revisions\/27899"}],"wp:attachment":[{"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/media?parent=3670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/categories?post=3670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/woodpecker.co\/blog\/wp-json\/wp\/v2\/tags?post=3670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}