{"id":33705,"date":"2025-10-30T15:58:53","date_gmt":"2025-10-30T19:58:53","guid":{"rendered":"https:\/\/www.litmus.com\/?page_id=33705"},"modified":"2026-06-03T11:56:46","modified_gmt":"2026-06-03T15:56:46","slug":"email-testing","status":"publish","type":"page","link":"https:\/\/www.litmus.com\/email-testing","title":{"rendered":"Email Testing"},"content":{"rendered":"<section class=\"page-header-2022\" style=\"background-color: #eef6f5;\"><style>@media only screen and (max-width: 1399px) and (min-width: 992px)  {\r\n  .circle-bg {\r\n    top: -300px !important;\r\n  }\r\n}<\/style><div class=\"container-fluid p-0\" style=\"overflow: hidden; position: relative;\"><div style=\"width: 60%;border-radius: 50%;background-color: #c2e0dc;position: absolute;aspect-ratio: 1 \/ 1;right: -10%;top: -100%;z-index: 0;\" class=\"circle-bg\"><\/div> <div class=\"container\" style=\"padding: 75px 0;z-index: 1 !important;position: relative;\"> <div class=\"row px-3\"><div class=\"col-12 col-lg-5 mb-1 mb-lg-0\"><h1 class=\"page-header-headline\"><span class=\"page-title\">Email Testing <\/span>Say goodbye to broken emails and long review cycles<\/h1>  <p class=\"header-description mt-3\" style=\" font-size: 1.3rem; line-height: 1.3;\">With Litmus email testing and 24\/7 email monitoring, you can send error-free emails that are optimized for every subscriber\u2013 without spending hours on testing and QA.<\/p> <div class=\"slide-buttons mb-5\"> <a rel=\"noopener\" rel=\"noopener\" href=\"https:\/\/www.litmus.com\/pricing\/\" class=\"btn btn-primary col-12 col-lg-6 d-lg-inline d-block\">Get started<\/a> <\/div> <\/div> <div class=\"col-12 col-lg-7\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2022\/02\/test.svg\" alt=\"Email Testing in Litmus\"><\/div><\/div><\/div> <\/div> <\/section>\n\n<section> <div class=\"container py-5\"> <style>@media (min-width: 0px) and (max-width: 992px) {.mx-sm-autos { margin-right: auto!important; margin-left: auto!important;}}} <\/style><div class=\"row\"><h2 class=\"h-xl text-center\">On-brand, error-free emails for every subscriber\u2013every time<\/h2><p class=\"col-12 col-lg-8 mx-auto text-center\">With email clients making changes as often as every 1.2 days, and 300,000+ different ways for your email to display, it\u2019s all too easy to send out broken emails\u2014without even knowing it.  Litmus eliminates those blindspots so you can confidently send effective, error-free emails \u2013 and cut your email testing time in half.<\/p><\/div><div class=\"row mt-3\"> <div class=\"col-12 col-md-6 col-lg-3 col text-center\"><div class=\"px-0 px-lg-3 mx-auto mb-3\" style=\"background-color: #e3b23a; border-radius: 50%;aspect-ratio: 1 \/ 1;display: flex;align-items: center;width:100px;\"><i class=\"fa-solid fa-magnifying-glass-chart mx-auto text-white h-xxl\"><\/i><\/div><p>Preview and test on 100+ popular email clients<\/p><\/div><div class=\"col-12 col-md-6 col-lg-3 col text-center\"><div class=\"px-0 px-lg-3 mx-auto mb-3\" style=\"background-color: #e3b23a; border-radius: 50%;aspect-ratio: 1 \/ 1;display: flex;align-items: center;width:100px;\"><i class=\"fa-solid fa-shield-halved mx-auto text-white h-xxl\"><\/i><\/div><p>Unlimited, 24\/7 email monitoring with Litmus Email Guardian<\/p><\/div> <div class=\"col-12 col-md-6 col-lg-3 col text-center\"><div class=\"px-0 px-lg-3 mx-auto mb-3\" style=\"background-color: #e3b23a;border-radius: 50%;aspect-ratio: 1 \/ 1;display: flex;align-items: center;width:100px;\"><i class=\"fa-solid fa-list-check mx-auto text-white h-xxl\"><\/i><\/div><p>Catch and fix errors with our comprehensive QA checklist <\/p><\/div> <div class=\"col-12 mx-auto col-md-6 col-lg-3 col text-center\"><div class=\"px-0 px-lg-3 mx-auto mb-3\" style=\"background-color: #e3b23a;border-radius: 50%;aspect-ratio: 1 \/ 1;display: flex;align-items: center;width:100px;\"><i class=\"fa-solid fa-inbox mx-auto h-xxl text-white\"><\/i><\/div><p>Get visibility on deliverability with spam tests<\/p><\/div><\/div><\/div><\/section>\n\n\n\n<div class=\"content-block py-6 block-inner  text-media-block alignfull\" style=\"background-color:#ebf4f3\">\n<div class=\"block-background-text\">\n  <\/div>\n<div class=\"container\">\n        <div class=\"row align-items-center\">\n              <div class=\"col-md-6 order-md-2\">\n                        <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\">\n            <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2020\/04\/deg-presentation@2x-768x410.jpg\" alt=\"\" width=\"768\" height=\"410\"  \/>          <\/div>\n              <\/div>\n              <div class=\"col-md-6\">\n              <blockquote style=\"font-family: karmina, serif; font-size:1.5rem; font-weight: 400; font-style: italic; line-height: 34px; text-align: center;\"><p><em>\u201cWe\u2019ve cut our email QA time by over 50%, giving us time to focus our efforts on segmentation and other strategic campaign development opportunities.\u201d<\/em><\/p><\/blockquote>\n<p style=\"text-align: center;\"><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-11778\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2020\/04\/Adam-MacDonald-DEG.png\" alt=\"\" width=\"60\" height=\"60\" \/><br \/>\n<\/strong><strong>ADAM MACDONALD,<\/strong> Director of Campaign Management, <a rel=\"noopener\" href=\"https:\/\/www.litmus.com\/customers\/deg-linked-by-isobar\/\">DEG, Linked by Isobar<\/a><\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n  \n<\/div>\n\n\n<section class=\"pt-5\"> <div class=\"container py-4\"> <div class=\"row\"> <div class=\"col\"><h2 class=\"h-xl text-center\">Hitting \u201csend\u201d doesn\u2019t have to be stressful<\/h2><\/div><\/div> <div class=\"row g-lg-5 mx-lg-0 gy-5 py-3\"> <div class=\"col-12 col-lg-10 text-center mx-auto\"><div class=\"pt-2\"><p>Litmus\u2019 email testing software helps you find and fix critical elements that affect performance and delivery. Send every email with peace of mind, knowing errors won\u2019t jeopardize your email marketing goals or put your brand reputation at risk.<\/p><\/div><\/div><\/div><\/div><\/section>\n\n<style>\r\nul.checks {\r\n    list-style-type: none;\r\n}\r\nul.checks > li{\r\n position: relative;\r\n}\r\nul.checks li::before {\r\n    font-family: \"Font Awesome 6 Free\";\r\n position: absolute;\r\n left: -25px;\r\ncontent: \"\\f058\";\r\ncolor: #9a7424;\r\n}\r\n<\/style>\r\n<section class=\"pb-5\"><div class=\"container py-4\"> <div class=\"row\">\r\n<div class=\"content-block pb-2 block-inner text-media-block alignfull mb-5\"><div class=\"container\"> <div class=\"row align-items-center\"> <div class=\"col-md-6 order-md-2\"> <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/manual\/previews.gif\" alt=\"Find and fix costly email errors before you send by testing across 100+ email clients in seconds.\"><\/div> <\/div> <div class=\"col-md-6\"> <h2 class=\"h-md\"><strong>Instantly preview your campaigns in 100+ popular email clients<\/strong><\/h2><p>You don\u2019t have to waste your time sending test emails manually to different email clients. With Litmus, you have the power to test and preview 100+ popular email clients\u2014including Dark Mode\u2014from a single spot, in real time.<\/p><p>Hit send feeling confident that every subscriber is seeing exactly what you want them to see.<\/p><p><a style=\"cursor: pointer;\" data-bs-toggle=\"modal\" data-bs-target=\"#clientmodal2\" class=\"link-arrow link-arrow-green\">Check out all email clients available for testing<\/a><\/p><\/div><\/div> <\/div><\/div>\r\n    \r\n    <div class=\"content-block py-2 block-inner text-media-block py-0 alignfull my-5\"><div class=\"container\"> <div class=\"row align-items-center\"> <div class=\"col-md-6\"> <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/11\/EG_animated_500.svg\" alt=\"Automatically test your email rendering, accessibility, first impressions, and more to create the best subscriber experience.\"><\/div> <\/div> <div class=\"col-md-6\"> <h2 class=\"h-md\"><strong>Unlimited, 24\/7 email monitoring<\/strong><\/h2>\r\n<p>Never send another broken email with Litmus Email Guardian, the only solution that watches over your emails when you can\u2019t be there. Get an automatic alert when an email client makes a change that puts your subscriber experience and brand reputation at risk, so you can take action fast.<\/p><p><a rel=\"noopener\" href=\"https:\/\/www.litmus.com\/email-guardian\" class=\"link-arrow link-arrow-green\">Learn more about Email Guardian<\/a><\/p>\r\n<\/div> <\/div> <\/div> <\/div>\r\n    \r\n<div class=\"content-block py-2 block-inner text-media-block py-0 alignfull my-5\"><div class=\"container\"> <div class=\"row align-items-center\"> <div class=\"col-md-6 order-md-2\"> <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/05\/litmus-test.png\" alt=\"Automatically test your email rendering, accessibility, first impressions, and more to create the best subscriber experience.\"><\/div> <\/div> <div class=\"col-md-6\"> <h2 class=\"h-md\"><strong>Send confidently with an automated, comprehensive QA test<\/strong><\/h2>\r\n<p>Make the dreaded \u201coops email\u201d a thing of the past. Run a Litmus Test on every email campaign to check your links, images, tracking, and other critical elements before you send \u2013 and get guidance on how to fix any issues.<\/p>\r\n<p>Plus, with <a rel=\"noopener\" href=\"https:\/\/www.litmus.com\/blog\/accessible-email-made-easy-introducing-accessibility-checks-in-litmus\/\">email accessibility checks<\/a> for color vision deficiency and more, you can ensure every email is inclusive and accessible.<\/p>\r\n<\/div> <\/div> <\/div> <\/div>\r\n    \r\n<div class=\"content-block py-2 block-inner text-media-block alignfull my-5\"><div class=\"container\"> <div class=\"row align-items-center\"> <div class=\"col-md-6\"> <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2022\/02\/spam-testing.svg\" alt=\"Automated pre-send spam testing to catch deliverability issues before you send\"><\/div> <\/div> <div class=\"col-md-6\"> <h2 class=\"h-md\"><strong>Reach the inbox\u2014not the spam folder<\/strong><\/h2><p>Did you know that 16% of emails never make it to the inbox? You\u2019ve worked too hard on your email marketing campaign for it to land in the spam folder.<\/p><p>With Litmus Spam Testing, you can scan your email across 25+ spam filters and quickly identify issues that could keep your email from reaching the inbox. And get contextual advice to help you fix those issues before you send.<\/p><p><a rel=\"noopener\" rel=\"noopener\" href=\"https:\/\/www.litmus.com\/spam-filter-tests\" class=\"link-arrow link-arrow-green\">Check out Litmus Spam Testing<\/a><\/p><\/div> <\/div><\/div><\/div>\r\n    \r\n<div class=\"content-block pt-2 pb-2 block-inner text-media-block py-0 alignfull mt-5\"><div class=\"container\"> <div class=\"row align-items-center\"> <div class=\"col-md-6 order-md-2\"> <div class=\"mb-4 mb-md-0 d-flex justify-content-center align-items-center\"><img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2020\/04\/IntegrationGraphic0-e1619221379591.png\" alt=\"With Litmus Technology Integrations you can say goodbye to manual, time-consuming tasks so you can get more from your marketing in less time\"><\/div> <\/div> <div class=\"col-md-6\"> <h2 class=\"h-md\"><strong>Accelerate your email testing process with integrations<\/strong><\/h2><p>Litmus works seamlessly with your tech stack to streamline your email testing process. Our robust integrations give you back hours of time, freeing you up to focus on other big opportunities and ideas.<\/p><ul class=\"checks\"><li aria-level=\"1\">Test email campaigns wherever you build to fix issues early in your email design workflow and reduce review cycles<\/li><li aria-level=\"1\">Review campaigns alongside your email service provider (ESP)  or code editor with the Litmus Chrome Extension<\/li><li aria-level=\"1\">Use ESP Sync to easily import emails to Litmus for review and testing<\/li><\/ul><p><a rel=\"noopener\" rel=\"noopener\" href=\"https:\/\/www.litmus.com\/integrations\/\" class=\"link-arrow link-arrow-green\">See how Litmus integrates with your favorite tools<\/a><\/p><\/div> <\/div> <\/div> <\/div><\/div><\/div><\/section>\n\n<section style=\"background: linear-gradient(to bottom,white 0%,white 50%,#ebf4f3 50%,#ebf4f3 100%);\" class=\"pb-5 pt-2\"> <div class=\"container mb-3\"> <div class=\"row px-3\"> <div class=\"col p-5 background-white text-center shadow-lg\" style=\"border-radius:35px;\"><h2>See how Litmus helps you test emails quickly and send with confidence<\/h2><p>Try Litmus and send on-brand, error-free emails every time\u2013in less time than you thought possible.<\/p><a rel=\"noopener\" target=\"_blank\" href=\"\/pricing\/\" class=\"btn btn-primary\">Get started<\/a><\/div><\/div><\/div><\/section>\n\n<section style=\"background-color:#ebf4f3;\">\n\t<div class=\"container pt-5 pb-5\">\n\t\t<div class=\"row\">\n\t\t\t<div class=\"col-12\">\n\t\t\t\t<h2 class=\"mt-2 mb-5 text-center text-uppercase h-md\"><strong>What other Email Experts are saying about Litmus Email Testing<\/strong><\/h2>\n\t\t\t<\/div><!--col12-->\n\t\t<\/div><!--row-->\n\t\t<div class=\"row\">\n\t\t\t<div class=\"trustradius-tqw trustradius-widget\" data-trustradius-id=\"6284f518ebafdc0047004aaa\"><\/div><script src=\"https:\/\/www.trustradius.com\/trustquotes\/trustquotes.js\" type=\"text\/javascript\" async><\/script>\n\t\t<\/div><!--row-->\n\t<\/div><!--container-->\n<\/section>\n\n<style>\r\nli {\r\n  list-style-type: none;\r\n}\r\n.wrapper {\r\n  padding: 2em;\r\n}\r\nul.wrapper .row {\r\n  display: flex;\r\n}\r\nul.wrapper .row > ul > li {\r\n  display: flex;\r\n  justify-content: center;\r\n  align-items: center;\r\n  padding: 3em 6em;\r\n  flex: 1;\r\n}\r\nul.wrapper .row > ul > li {\r\n  border-right: 1px solid lightgray;\r\n  border-bottom: 1px solid lightgray;\r\n}\r\nul.wrapper .row > ul > li:last-child {\r\n  border-right: none;\r\n}\r\nul.wrapper .row:last-child ul > li {\r\n  border-bottom: none;\r\n}\r\n\r\n@media (min-width: 0px) and (max-width: 767px){\r\nul.wrapper .row > ul > li {\r\npadding: 1em 0em;\r\n    flex: unset;\r\n    border-right: none;\r\n    border-bottom: none;\r\n    width: 45%;\r\n    text-align: center;\r\n    }\r\n    ul.wrapper .row > ul > li > img {\r\n        width:50%;\r\n    }}\r\n    @media (min-width: 768px) and (max-width: 1400px){\r\nul.wrapper .row > ul > li {\r\n    padding: 1em 0em;\r\n    }\r\n    ul.wrapper .row > ul > li > img {\r\n        width:60%;\r\n    }}\r\n<\/style>\r\n<section class=\"pt-5\">\r\n    <div class=\"container pt-5 pb-3\"> <div class=\"row\"> <div class=\"col-12\"> <h2 class=\"text-center h-md mb-3\" style=\" text-transform: uppercase;\">700,000+ Users Across Companies Of All Industries And Sizes Trust Litmus<\/h2> <\/div> <\/div> <div class=\"row\">\r\n<ul class=\"wrapper\">\r\n  <li class=\"row\">\r\n    <ul class=\"row\">\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/bookingcom-color.svg\" alt=\"Booking.com\">\r\n      <\/li>\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/ford-color.svg\" alt=\"Ford\">\r\n      <\/li>\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/05\/lendingtree.svg\" alt=\"LendingTree\">\r\n      <\/li>\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/publicis-color.svg\" alt=\"publicis Worldwide\">\r\n      <\/li>\r\n    <\/ul>\r\n  <\/li>\r\n  <li class=\"row\">\r\n    <ul class=\"row\">\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/johnson-johnson-color.svg\" alt=\"Johnson and Johnson\">\r\n      <\/li>\r\n      <li>\r\n       <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/target-color.svg\" alt=\"Target\">\r\n      <\/li>\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/cisco.svg\" alt=\"Cisco\">\r\n      <\/li>\r\n      <li>\r\n        <img decoding=\"async\" src=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2023\/01\/sony.svg\" alt=\"Sony\">\r\n      <\/li>\r\n    <\/ul>\r\n  <\/li>\r\n<\/ul>\r\n        <\/div> <\/div> <\/section>\n\n<section style=\"background: linear-gradient(to bottom,white 0%,white 50%,#ebf4f3 50%,#ebf4f3 100%);\" class=\"pt-1 pb-5\"> <div class=\"container mb-3\"> <div class=\"row px-3\"> <div class=\"col p-5 background-white text-center shadow-lg\" style=\"border-radius:35px;\"><h2>Over 800,000+ marketers have trusted Validity tools to deliver exceptional brand experiences.<\/h2><a rel=\"noopener\" href=\"https:\/\/www.litmus.com\/pricing\" class=\"btn btn-primary\">Book a demo<\/a><\/div><\/div><\/div><\/section>\n\n<!-- Modal -->\r\n<div class=\"modal fade\" id=\"clientmodal2\" role=\"dialog\" aria-labelledby=\"clientmodalTitle\" aria-hidden=\"true\">\r\n  <div class=\"modal-dialog\" role=\"document\">\r\n    <div class=\"modal-content\">\r\n      <div class=\"modal-header\">\r\n        <button type=\"button\" class=\"close\" data-bs-dismiss=\"modal\" aria-label=\"Close\">\r\n          <span aria-hidden=\"true\">&times;<\/span>\r\n        <\/button>\r\n      <\/div>\r\n      <div class=\"modal-body\">\r\n<div id=\"clients\" class=\"email-clients-group\">\r\n<div id=\"accordion\">\r\n<div class=\"card\">\r\n<div class=\"card-header\">\r\n<h4><a class=\"card-link\" rel=\"noopener\" href=\"#collapseOne\" data-bs-toggle=\"collapse\">Desktop<\/a><\/h4>\r\n<\/div>\r\n<div id=\"collapseOne\" class=\"collapse show\" data-parent=\"#accordion\">\r\n<div class=\"card-body\">\r\n<div class=\"row\">\r\n<div class=\"col\">\r\n<div class=\"email-clients-list\">\r\n<ul> \r\n \t<li class=\"hd\">Outlook<\/li>  \r\n    <li>Outlook for Windows Win 11<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Outlook for Windows Dark Win 11<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>Outlook 2021 Win 10<\/li>\r\n<li>Outlook 2021 Dark Win 10<\/li>\r\n<li>Outlook 2021 120 DPI Win 10<\/li>\r\n \t<li>Outlook Office 365 120 DPI Win 10<\/li>\r\n \t<li>Outlook Office 365 120 DPI Dark Win 10<\/li>\r\n \t<li>Outlook Office 365 Win 10<\/li>\r\n  <li>Outlook for Mac macOS 15<div class=\"tag new-tag\">New<\/div><\/li>\r\n  <li>Outlook for Mac Dark macOS 15<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>Outlook 2019 120 DPI Win 10<\/li>\r\n \t<li>Outlook 2016 120 DPI Win 10<\/li>\r\n \t<li>Outlook 2016 Win 10<\/li>\r\n \t<li>Outlook 2013 120 DPI Win 10<\/li>\r\n \t<li>Outlook 2013 Win 10<\/li>\r\n \t<li>Outlook 2010 Win 10<\/li>\r\n \t<li>Outlook 2007 Win 10<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Thunderbird<\/li>\r\n \t<li>Thunderbird 60 Win 10<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Apple Mail<\/li>\r\n        <li>Apple Mail 16 macOS 13<\/li>\r\n        <li>Apple Mail 16 Dark macOS 13<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Lotus Notes<\/li>\r\n \t<li>IBM Notes 10 Win 10<\/li>\r\n \t<li>IBM Notes 9 Win 10<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Other<\/li>\r\n \t<li>Color Blindness Simulated<\/li>\r\n \t<li>Plain Text Text-only view<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"card\">\r\n<div class=\"card-header\">\r\n<h4><a class=\"collapsed card-link\" rel=\"noopener\" href=\"#collapseTwo\" data-bs-toggle=\"collapse\">Mobile<\/a><\/h4>\r\n<\/div>\r\n<div id=\"collapseTwo\" class=\"collapse\" data-parent=\"#accordion\">\r\n<div class=\"card-body\">\r\n<div class=\"row\">\r\n<div class=\"col\">\r\n<div class=\"email-clients-list\">\r\n<ul>  \r\n \t<li class=\"hd\">iOS<\/li>\r\n<li>iPhone Air (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>iPhone Air Dark (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n\t<li>iPhone 17 (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>iPhone 17 Dark (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>iPhone 17 Pro (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>iPhone 17 Pro Dark (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPhone 17 Pro Max (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPhone 17 Pro Max Dark (iOS 26)<div class=\"tag new-tag\">New<\/div><\/li>\r\n<li>iPhone 16 iOS 18<\/li>\r\n<li>iPhone 16 Dark iOS 18<\/li>\r\n<li>iPhone 16 Plus iOS 18<\/li>\r\n<li>iPhone 16 Plus Dark iOS 18<\/li>\r\n<li>iPhone 16 Pro iOS 18<\/li>\r\n<li>iPhone 16 Pro Dark iOS 18<\/li>\r\n<li>iPhone 16 Pro Max iOS 18<\/li>\r\n<li>iPhone 16 Pro Max Dark iOS 18<\/li>\r\n<li>iPhone 15 iOS 17<\/li>\r\n<li>iPhone 15 Dark iOS 17<\/li> \r\n<li>iPhone 15 Plus iOS 17<\/li>\r\n<li>iPhone 15 Plus Dark iOS 17<\/li>\r\n<li>iPhone 14 iOS 16<\/li>\r\n<li>iPhone 14 Dark iOS 16<\/li>\r\n<li>iPhone 14 Pro Max iOS 16<\/li>\r\n<li>iPhone 14 Pro Max Dark iOS 16<\/li>\r\n     <li>iPhone SE (1st generation)<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPhone SE (1st Generation) Dark<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPhone SE (3rd Generation)<\/li>\r\n    <li>iPhone SE (3rd Generation) Dark<\/li>\r\n     \t<li>iPad (Gen 9) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad (Gen 9) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad (Gen 10) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad (Gen 10) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad Air (Gen 4) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n      <li>iPad Air (Gen 4) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPad mini (Gen 6) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPad mini (Gen 6) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad Pro (11 inch) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPad Pro (11 inch) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n \t<li>iPad Pro (12.9 inch) iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>iPad Pro (12.9 inch) Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Gmail App iOS 18<div class=\"tag new-tag\">New<\/div><\/li> \r\n    <li>Gmail App Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Microsoft Outlook App iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Microsoft Outlook App Dark iOS 18<div class=\"tag new-tag\">New<\/div><\/li>\r\n<\/ul>  \r\n<ul>\r\n \t<li class=\"hd\">Android<\/li>\r\n    <li>Android 15 Light<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Android 15 Dark<div class=\"tag new-tag\">New<\/div><\/li>\r\n    <li>Gmail App Android 13<\/li>\r\n    <li>Gmail App Dark Android 13<\/li>\r\n<li>Gmail App Android 11<\/li>\r\n<li>Gmail App Dark Android 11<\/li> \r\n \t<li>Microsoft Outlook Android 11<\/li>\r\n<li>Microsoft Outlook Dark Android 11<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"card\">\r\n<div class=\"card-header\">\r\n<h4><a class=\"collapsed card-link\" rel=\"noopener\" href=\"#collapseThree\" data-bs-toggle=\"collapse\">Web<\/a><\/h4>\r\n<\/div>\r\n<div id=\"collapseThree\" class=\"collapse\" data-parent=\"#accordion\">\r\n<div class=\"card-body\">\r\n<div class=\"row\">\r\n<div class=\"col\">\r\n<div class=\"email-clients-list\">\r\n<ul>\r\n \t<li class=\"hd\">AOL Mail<\/li>\r\n \t<li>AOL Mail Edge<\/li>\r\n \t<li>AOL Mail Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Gmail<\/li>\r\n \t<li>Gmail Edge<\/li>\r\n \t<li>Gmail Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">GMX.de<\/li>\r\n \t<li>GMX.de Edge<\/li>\r\n \t<li>GMX.de Firefox<\/li>\r\n \t<li>GMX.de Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">G Suite<\/li>\r\n \t<li>G Suite Edge<\/li>\r\n \t<li>G Suite Firefox<\/li>\r\n \t<li>G Suite Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Mail.ru<\/li>\r\n \t<li>Mail.ru Edge<\/li>\r\n \t<li>Mail.ru Firefox<\/li>\r\n \t<li>Mail.ru Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Office 365<\/li>\r\n \t<li>Office 365 Edge<\/li>\r\n \t<li>Office 365 Firefox<\/li>\r\n \t<li>Office 365 Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Outlook.com<\/li>\r\n \t<li>Outlook.com Edge<\/li>\r\n \t<li>Outlook.com Firefox<\/li>\r\n \t<li>Outlook.com Dark Firefox<\/li>\r\n \t<li>Outlook.com Chrome<\/li>\r\n \t<li>Outlook.com Dark Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">t-online.de<\/li>\r\n \t<li>t-online.de Edge<\/li>\r\n \t<li>t-online.de Firefox<\/li>\r\n \t<li>t-online.de Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Web.de<\/li>\r\n \t<li>Web.de Edge<\/li>\r\n \t<li>Web.de Firefox<\/li>\r\n \t<li>Web.de Chrome<\/li>\r\n<\/ul>\r\n<ul>\r\n \t<li class=\"hd\">Yahoo! Mail<\/li>\r\n \t<li>Yahoo! Mail Edge<\/li>\r\n \t<li>Yahoo! Mail Chrome<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n      <\/div>\r\n      <div class=\"modal-footer\">\r\n        <button type=\"button\" class=\"btn btn-secondary\" data-bs-dismiss=\"modal\">Close<\/button>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n<style>#accordion .card {border: none; border-radius: 0rem;}.card-header {background-color: transparent;}.card:last-child .card-header{border-bottom:none;}\r\n    .page-header img {width:100%;}.email-clients-list {\r\n    margin-right: 60px;\r\n}li.hd {\r\n    color: #30363f;\r\n    font-weight: 700;\r\n}.email-clients-list ul li {\r\n    font-size: 14px;\r\n    line-height: 28px;\r\n    color: #30363f;\r\nlist-style: none;\r\nmargin-left:0;\r\n}\r\n.email-clients-list ul{\r\nmargin-left:0;\r\npadding-left:0;\r\n}\r\n.email-clients-list ul li .tag {\r\n    border-radius: 16px;\r\n    padding: 0 6px;\r\n    background: #238e55;\r\n    font-size: 10px;\r\n    font-weight: 500;\r\n    line-height: 16px;\r\n    color: #fff;\r\n    display: inline-block;\r\n    position: relative;\r\n    top: -2px;\r\n    margin-left: 5px;\r\n}<\/style>\r\n<style>#accordion .card {border: none; border-radius: 0rem;}.card-header {background-color: transparent;}.card:last-child .card-header{border-bottom:none;}.page-header img {width:100%;}<\/style>\n\n\n\t<div id=\"text-accordions-block_610cc50f190bfff6ca6d979e37484a5c\" class=\"block-text-accordions alignfull bg-color-green\">\n  <div class=\"container\">\n  \t<div class=\"row\">\n  \t\t<div class=\"col-md-4\">\n  \t\t\t<div class=\"copy\">\n  \t\t\t\t<h2 class=\"h-xl\">Email Testing FAQs<\/h2>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"If I test my email templates when I build them, why do I still need to test before every individual send?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Email clients and devices change constantly. In fact, one study we conducted found that the top five most popular email clients made a change every 1.2 days on average.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"I can see a browser preview of my email through my email service provider (ESP) or marketing automation platform (MAP). Shouldn't that surface any issues that I need to address?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Every email client and device renders or displays emails differently. While a generic browser preview is great while you build, you should test your email across all email clients and different devices popular with your audience before you send to ensure more nuanced email clients, like Gmail or Outlook, are showing what you expect your subscribers to see.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"When should I test my emails?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Testing early and often is a best practice when it comes to streamlining your email workflow and getting the best results. If you test as you build, you can quickly catch and fix errors before your email is routed to stakeholders within or outside of your company for review and final approval, reducing review cycles and getting your email out the door faster.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does Litmus help with email deliverability?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Litmus Spam Testing specifically looks for issues that commonly lead to long term deliverability headaches. By finding and resolving these issues before you send, Litmus empowers you to take a proactive approach to your email program health and stay out of the spam folder, increasing open rates, click-through rates, and delivering better results.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What ESPs can I use Litmus Extension with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"In addition to popular third party code editors like Dreamweaver, Visual Studio, and Sublime Text (to name just a few), Litmus Extension helps you test emails as you build in Salesforce Marketing Cloud, Oracle Eloqua, Acoustic Campaign Content Builder, Mailchimp, Adobe Marketo, Oracle Responsys, Pardot, Adobe Campaign Standard, and Klaviyo. Contact 675 Massachusetts Ave.\"\n      }\n    }\n  ],\n  \"name\": \"Email Testing FAQs\",\n  \"description\": \"With Litmus email testing and 24\/7 email monitoring, you can send error-free emails that are optimized for every subscriber\u2013 without spending hours on testing and QA.\",\n  \"url\": \"https:\/\/www.litmus.com\/email-testing\"\n}\n<\/script><\/p>\n  \t\t\t<\/div>\n  \t\t<\/div>\n      <div class=\"col-md-8\">\n        <div class=\"accordions\" id=\"blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n\n                                    <div class=\"accordion-wrap\">\n\n              <h3><\/h3>\n                              <div class=\"accordion\">\n                                    <div class=\"accordion-item\">\n                    <div class=\"\" id=\"heading0\">\n                      <span class=\"mb-0 h-md\">\n                        <h3 class=\"btn btn-link w-100 pb-1 mb-0 \"  data-bs-toggle=\"collapse\" data-bs-target=\"#collapse0\" aria-expanded=\"true\" aria-controls=\"collapse0\">\n                        If I test my email templates when I build them, why do I still need to test before every individual send?                         <\/h3>\n                      <\/span>\n                    <\/div>\n\n                    <div id=\"collapse0\" class=\"collapse show\" aria-labelledby=\"heading0\" data-bs-parent=\"#blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n                      <div class=\"\">\n                        <p><p><span style=\"font-weight: 400;\">Email clients and devices change constantly. In fact, one study we conducted found that the top five most popular email clients made a change every 1.2 days on average. Even if your email templates aren\u2019t changing drastically from send to send, any of the changes an email client or device makes can break your email, so testing before every send is the only way to truly send with confidence. <\/span><\/p>\n<\/p>\n                      <\/div>\n                    <\/div>\n                  <\/div>\n                                    <div class=\"accordion-item\">\n                    <div class=\"\" id=\"heading1\">\n                      <span class=\"mb-0 h-md\">\n                        <h3 class=\"btn btn-link w-100 pb-1 mb-0 collapsed\"  data-bs-toggle=\"collapse\" data-bs-target=\"#collapse1\" aria-expanded=\"true\" aria-controls=\"collapse1\">\n                        I can see a browser preview of my email through my email service provider (ESP) or marketing automation platform (MAP). Shouldn\u2019t that surface any issues that I need to address?                         <\/h3>\n                      <\/span>\n                    <\/div>\n\n                    <div id=\"collapse1\" class=\"collapse \" aria-labelledby=\"heading1\" data-bs-parent=\"#blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n                      <div class=\"\">\n                        <p><p><span style=\"font-weight: 400;\">Every email client and device renders or displays emails differently. While a generic browser preview is great while you build, you should test your email across all email clients and different devices popular with your audience before you send to ensure more nuanced email clients, like Gmail or Outlook, are showing what you expect your subscribers to see. <\/span><\/p>\n<\/p>\n                      <\/div>\n                    <\/div>\n                  <\/div>\n                                    <div class=\"accordion-item\">\n                    <div class=\"\" id=\"heading2\">\n                      <span class=\"mb-0 h-md\">\n                        <h3 class=\"btn btn-link w-100 pb-1 mb-0 collapsed\"  data-bs-toggle=\"collapse\" data-bs-target=\"#collapse2\" aria-expanded=\"true\" aria-controls=\"collapse2\">\n                        When should I test my emails?                        <\/h3>\n                      <\/span>\n                    <\/div>\n\n                    <div id=\"collapse2\" class=\"collapse \" aria-labelledby=\"heading2\" data-bs-parent=\"#blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n                      <div class=\"\">\n                        <p><p><span style=\"font-weight: 400;\">Testing early and often is a best practice when it comes to streamlining your email workflow and getting the best results. If you test as you build, you can quickly catch and fix errors before your email is routed to stakeholders within or outside of your company for review and final approval, reducing review cycles and getting your email out the door faster. <\/span><\/p>\n<\/p>\n                      <\/div>\n                    <\/div>\n                  <\/div>\n                                    <div class=\"accordion-item\">\n                    <div class=\"\" id=\"heading3\">\n                      <span class=\"mb-0 h-md\">\n                        <h3 class=\"btn btn-link w-100 pb-1 mb-0 collapsed\"  data-bs-toggle=\"collapse\" data-bs-target=\"#collapse3\" aria-expanded=\"true\" aria-controls=\"collapse3\">\n                        How does Litmus help with email deliverability?                         <\/h3>\n                      <\/span>\n                    <\/div>\n\n                    <div id=\"collapse3\" class=\"collapse \" aria-labelledby=\"heading3\" data-bs-parent=\"#blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n                      <div class=\"\">\n                        <p><p><span style=\"font-weight: 400;\">Litmus Spam Testing specifically looks for issues that commonly lead to long term deliverability headaches. By finding and resolving these issues before you send, Litmus empowers you to take a proactive approach to your email program health and stay out of the spam folder, increasing open rates, click-through rates, and delivering better results.<\/span><\/p>\n<\/p>\n                      <\/div>\n                    <\/div>\n                  <\/div>\n                                    <div class=\"accordion-item\">\n                    <div class=\"\" id=\"heading4\">\n                      <span class=\"mb-0 h-md\">\n                        <h3 class=\"btn btn-link w-100 pb-1 mb-0 collapsed\"  data-bs-toggle=\"collapse\" data-bs-target=\"#collapse4\" aria-expanded=\"true\" aria-controls=\"collapse4\">\n                        What ESPs can I use Litmus Extension with?                         <\/h3>\n                      <\/span>\n                    <\/div>\n\n                    <div id=\"collapse4\" class=\"collapse \" aria-labelledby=\"heading4\" data-bs-parent=\"#blockAccordionblock_610cc50f190bfff6ca6d979e37484a5c\">\n                      <div class=\"\">\n                        <p><p><span style=\"font-weight: 400;\">In addition to popular third party code editors like Dreamweaver, Visual Studio, and Sublime Text (to name just a few), Litmus Extension helps you test emails as you build in Salesforce Marketing Cloud, Oracle Eloqua, Acoustic Campaign Content Builder, Mailchimp, Adobe Marketo, Oracle Responsys, Pardot, Adobe Campaign Standard, and Klaviyo.<\/span><\/p>\n<\/p>\n                      <\/div>\n                    <\/div>\n                  <\/div>\n                                  <\/div>\n              \n              <\/div>\n                      \n        <\/div>\n      <\/div>\n  \t<\/div>\n  <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":34,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-33705","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Automated Email Testing Tools: How to Test Like the Pros<\/title>\n<meta name=\"description\" content=\"Prevent broken emails with our premier email testing tools that provide your team the resources needed to preview, test, and optimize email performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.litmus.com\/email-testing\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Industry Leading Email Testing | Litmus\" \/>\n<meta property=\"og:description\" content=\"Prevent broken emails with our premier email testing tools that provide your team the resources needed to preview, test, and optimize email performance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.litmus.com\/email-testing\" \/>\n<meta property=\"og:site_name\" content=\"Litmus\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/litmusapp\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-03T15:56:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.litmus.com\/wp-content\/uploads\/2025\/04\/featured-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"314\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" 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