{"id":7373,"date":"2026-01-15T11:55:15","date_gmt":"2026-01-15T11:55:15","guid":{"rendered":"https:\/\/www.hostinger.com\/support\/?p=7373"},"modified":"2026-03-27T12:38:35","modified_gmt":"2026-03-27T12:38:35","slug":"email-deliverability-for-new-senders-build-your-domain-reputation-with-hostinger-reach-beginner-guide","status":"publish","type":"post","link":"https:\/\/www.hostinger.com\/support\/email-deliverability-for-new-senders-build-your-domain-reputation-with-hostinger-reach-beginner-guide\/","title":{"rendered":"Email deliverability for new senders: build your domain reputation with Hostinger Reach (Beginner guide)"},"content":{"rendered":"<p><span style=\"font-weight: 400\">If you&rsquo;ve just started sending emails from a <\/span><b>new domain<\/b><span style=\"font-weight: 400\"> (or you normally send low volumes), it&rsquo;s common to see inconsistent deliverability in your first weeks.<\/span><\/p><p><span style=\"font-weight: 400\">Email providers like <\/span><b>Gmail, Yahoo, and Outlook<\/b><span style=\"font-weight: 400\"> need time to trust new senders &mdash; and until that trust is built, your emails may:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">land in <\/span><b>Spam<\/b><span style=\"font-weight: 400\"> instead of Inbox<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">show up in Inbox but with <\/span><b>images hidden<\/b><b>\n<\/b><p><\/p><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">experience lower opens or delayed delivery<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">This guide explains <\/span><b>sender reputation<\/b><span style=\"font-weight: 400\">, what <\/span><b>email warm-up<\/b><span style=\"font-weight: 400\"> means, and which <\/span><b>Hostinger Reach<\/b><span style=\"font-weight: 400\"> features help you improve deliverability faster.<\/span><\/p><h2 id=\"h-what-is-sender-reputation\"><b>What is sender reputation?<\/b><\/h2><p><b>Sender reputation<\/b><span style=\"font-weight: 400\"> is a trust score email providers build for your domain over time.<\/span><\/p><p><span style=\"font-weight: 400\">When you send emails, providers evaluate signals like:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">how many emails you send (and how suddenly volume increases)<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">how many people open and reply<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">whether users mark your email as <\/span><b>Not spam<\/b><b>\n<\/b><p><\/p><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">bounce rates (invalid email addresses)<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">spam complaints and unsubscribes<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">email quality (formatting, spelling, &ldquo;spam-like&rdquo; content)<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">A weak or &ldquo;new&rdquo; reputation often leads to more spam filtering &mdash; even if your setup is correct.<\/span><\/p><h2 id=\"h-why-inbox-placement-differs-across-gmail-yahoo-and-outlook\"><b>Why inbox placement differs across Gmail, Yahoo, and Outlook<\/b><\/h2><p><span style=\"font-weight: 400\">Email providers don&rsquo;t all use the same filtering rules, so results can vary.<\/span><\/p><p><span style=\"font-weight: 400\">For example, in early tests (common for new senders):<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><b>Yahoo:<\/b><span style=\"font-weight: 400\"> one email may land in spam while the next lands in the inbox<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><b>Gmail:<\/b><span style=\"font-weight: 400\"> emails land in inbox, but images may be hidden<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><b>Outlook:<\/b><span style=\"font-weight: 400\"> emails may go to spam more aggressively<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">This doesn&rsquo;t always mean something is broken &mdash; it often means your sending reputation is still being established.<\/span><\/p><h2 id=\"h-what-is-email-warm-up\"><b>What is email warm-up?<\/b><\/h2><p><b>Email warm-up<\/b><span style=\"font-weight: 400\"> is a strategy where you slowly increase sending volume while building positive engagement (opens, replies, &ldquo;Not spam&rdquo; actions).<\/span><\/p><p><span style=\"font-weight: 400\">It helps prove to mailbox providers that your new domain is safe, wanted, and consistent.<\/span><\/p><p><span style=\"font-weight: 400\">&#9989; Warm-up is one of the most effective ways to improve deliverability in your first weeks.<\/span><\/p><h2 id=\"h-recommended-warm-up-plan-first-2-3-weeks\"><b>Recommended warm-up plan (first 2&ndash;3 weeks)<\/b><\/h2><p>&nbsp;<\/p><h3><b>Week 1: Start small<\/b><\/h3><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Send only to a small group of trusted recipients<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Use simple emails (welcome emails, product updates, helpful messages)<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Avoid large campaigns immediately<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">&#9989; Goal: steady opens and replies.<\/span><\/p><p>&nbsp;<\/p><h3><span style=\"font-weight: 400\">(Very impactful) Ask recipients to show trust in your emails&nbsp;<\/span><\/h3><p><span style=\"font-weight: 400\">In the first weeks, engagement signals matter a lot. Encourage trusted recipients to:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">open your email<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">reply (even short replies help)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">mark the email as <\/span><b>Not spam<\/b><span style=\"font-weight: 400\"> if it lands in spam<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">star \/ mark as important (especially helpful for Gmail)<\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">These actions help mailbox providers learn that your emails are wanted.<\/span><\/p><h3><b>Week 2: Increase gradually<\/b><\/h3><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Increase sending volume step-by-step<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Keep engagement high<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Avoid sudden spikes in email volume<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">&#9989; Goal: stable inbox placement across providers.<\/span><\/p><h3><b>Week 3+: Scale campaigns carefully<\/b><\/h3><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Start with your most engaged audience first<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Grow your campaign volume gradually<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Monitor bounces, opens, and spam placement<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">&#9989; Goal: long-term sender trust.<\/span><\/p><p>&nbsp;<\/p><h2 id=\"h-why-images-might-not-load-automatically\"><b>Why images might not load automatically<\/b><\/h2><p><span style=\"font-weight: 400\">Even if your email lands in Inbox, images may still be hidden due to:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">recipient privacy settings<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">provider rules for unknown\/new senders<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">low sender reputation<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">promotional-style email structure<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">This usually improves as your domain builds trust.<\/span><\/p><h2 id=\"h-improve-sender-reputation-faster-with-hostinger-reach\"><b>Improve sender reputation faster with Hostinger Reach<\/b><\/h2><p><span style=\"font-weight: 400\">Warm-up is important &mdash; but you&rsquo;ll get the best results by also improving <\/span><b>email quality<\/b><span style=\"font-weight: 400\">, <\/span><b>list health<\/b><span style=\"font-weight: 400\">, and <\/span><b>domain authentication<\/b><span style=\"font-weight: 400\">. Hostinger Reach includes features designed to help with all three.<\/span><\/p><h3><b>&nbsp;1) Reduce spam risk with Template Checker (AI-powered)<\/b><\/h3><p><span style=\"font-weight: 400\">Your email content impacts deliverability. Spelling errors, risky wording, or poor formatting can increase the chance of spam filtering.<\/span><\/p><p><span style=\"font-weight: 400\">With <\/span><b>Hostinger Reach Template Checker<\/b><span style=\"font-weight: 400\">, AI reviews your email and checks for:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">spam-risk content and formatting<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">grammar and spelling issues<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">accessibility and readability improvements<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">You&rsquo;ll also get actionable suggestions &mdash; and can <\/span><b>fix issues automatically with AI in one click<\/b><span style=\"font-weight: 400\"> to send a cleaner, better-performing campaign.<\/span><\/p><h3><b>&nbsp;2) Keep deliverability strong with Clean Contact Lists<\/b><\/h3><p><span style=\"font-weight: 400\">Sending to invalid addresses hurts your sender reputation quickly &mdash; especially when you&rsquo;re new.<\/span><\/p><p><span style=\"font-weight: 400\">If your campaign includes <\/span><b>hard bounced emails<\/b><span style=\"font-weight: 400\"> (invalid email addresses), Hostinger Reach allows you to easily remove them from your contacts so you don&rsquo;t keep sending to them again in one-click.<\/span><\/p><h3><b>3) Set up the correct DNS records for deliverability<\/b><\/h3><p><span style=\"font-weight: 400\">Mailbox providers expect domains to have proper authentication and deliverability-related DNS records in place.<\/span><\/p><p><span style=\"font-weight: 400\">Hostinger Reach follows best-practice guidelines and shows you whether your domain setup is complete.<\/span><\/p><p><span style=\"font-weight: 400\">To check your status:<\/span><\/p><ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Go to <\/span><b>Hostinger Reach &rarr; Domain settings<\/b><b>\n<\/b><p><\/p><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Make sure every deliverability item is enabled<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Confirm all checkboxes are <\/span><b>green<\/b><\/li>\n<\/ol><h3><b>4) Send-time optimization for better open rates<\/b><\/h3><p><span style=\"font-weight: 400\">Smart sending is campaign delivery based on each recipient&rsquo;s&nbsp; behavior &mdash; so emails can be sent at the time they&rsquo;re most likely to open them.<\/span><\/p><p><span style=\"font-weight: 400\">When you schedule a campaign, toggle Smart sending ON to automatically send each email based on previous open times for each recipient. Smart sending does not take only last open &ndash; it decides best sending time from numerous previous campaigns and industry standards.<\/span><\/p><h3><b>5) Double opt-in to improve contact quality<\/b><\/h3><p><span style=\"font-weight: 400\">Double opt-in helps confirm that every new subscriber email address is real and intentional. This helps to receive fewer bounces and increase sending reputation.&nbsp;<\/span><\/p><p><span style=\"font-weight: 400\">When enabled:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">someone submits a form on your website<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hostinger Reach sends a confirmation email automatically<\/span><span style=\"font-weight: 400\">\n<p><\/p><\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">only confirmed contacts are added to your list as Subscribers<\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">Go to Reach settings &rarr; Subscribe settings to enable double opt-in. <\/span><span style=\"font-weight: 400\"><\/span><\/p><p><\/p><h2 id=\"h-quick-checklist-best-practices-for-your-first-weeks\"><b>Quick checklist: best practices for your first weeks<\/b><\/h2><p><span style=\"font-weight: 400\">&#9989; Warm up slowly (don&rsquo;t send large campaigns immediately)<\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; Ask recipients to open\/reply\/mark as not spam<\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; Collect contacts using double opt-in, automatically sending subscription confirmation emails <\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; Use Reach Template Checker feature to improve email quality before sending<\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; Use Smart Sending when scheduling campaigns<\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; Remove contacts who had hard-bounce emails in your campaign details page<\/span><span style=\"font-weight: 400\"><br>\n<\/span><span style=\"font-weight: 400\"> &#9989; In Reach domain settings, verify you have all the correct DNS<\/span><\/p><p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&rsquo;ve just started sending emails from a new domain (or you normally send low volumes), it&rsquo;s common to see inconsistent deliverability in your first&#8230;<\/p>\n","protected":false},"author":594,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"include_on_kodee":true,"footnotes":""},"categories":[296],"tags":[],"class_list":["post-7373","post","type-post","status-publish","format-standard","hentry","category-hostinger-reach"],"hreflangs":[{"locale":"en-US","link":"https:\/\/www.hostinger.com\/support\/email-deliverability-for-new-senders-build-your-domain-reputation-with-hostinger-reach-beginner-guide","default":1}],"include_on_kodee":true,"_links":{"self":[{"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/posts\/7373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/users\/594"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/comments?post=7373"}],"version-history":[{"count":4,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/posts\/7373\/revisions"}],"predecessor-version":[{"id":9243,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/posts\/7373\/revisions\/9243"}],"wp:attachment":[{"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/media?parent=7373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/categories?post=7373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostinger.com\/support\/wp-json\/wp\/v2\/tags?post=7373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}