{"id":12044,"date":"2024-07-12T17:49:33","date_gmt":"2024-07-12T15:49:33","guid":{"rendered":"https:\/\/www.efidem.com\/?p=12044"},"modified":"2026-01-20T14:31:43","modified_gmt":"2026-01-20T13:31:43","slug":"mail-deliverability-best-practices-high-performance","status":"publish","type":"post","link":"https:\/\/www.efidem.com\/en\/blog\/2024\/07\/12\/mail-delivrabilite-bonnes-pratiques-performantes\/","title":{"rendered":"Email Deliverability: 6 Important Practices to Improve It"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12044\" class=\"elementor elementor-12044\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e8f954d e-flex e-con-boxed e-con e-parent\" data-id=\"e8f954d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c88b51f elementor-widget elementor-widget-heading\" data-id=\"c88b51f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mail Deliverability, introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57f2bf9 elementor-widget elementor-widget-text-editor\" data-id=\"57f2bf9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A good email <a href=\"https:\/\/www.efidem.com\/en\/email-delivery\/\">deliverability<\/a> it is crucial for the success of any electronic communication. As a developer integrating a <a href=\"https:\/\/www.efidem.com\/en\/api-mail-sms-vocal-courier-powerful-reliable\/\">Email sending API<\/a>, it is essential to understand and implement <a href=\"https:\/\/www.efidem.com\/en\/email-deliverability-marketing-practices\/\">Best practices<\/a> To ensure your emails successfully reach your recipients' inboxes. This white paper offers best practices for optimizing email deliverability via an API or web interface. These practices are simple, effective, and quick to implement.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd6cde4 elementor-widget elementor-widget-heading\" data-id=\"bd6cde4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1 - Initial configuration<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a07389 elementor-widget elementor-widget-text-editor\" data-id=\"7a07389\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><a name=\"_Toc171696086\"><\/a>Email authentication<\/h3><ul><li><strong>DKIM (DomainKeys Identified Mail)<\/strong> : <a href=\"https:\/\/support.efidem.com\/support\/solutions\/articles\/101000426336-configurer-dkim-et-spf\" target=\"_blank\" rel=\"noopener\">Configure DKIM<\/a> to allow your emails to be digitally signed and verifiable by the receiving server.<\/li><li><strong>SPF (Sender Policy Framework)<\/strong> Implement SPF to define which servers are authorized to send emails for your domain.<\/li><li><strong>DMARC (Domain-based Message Authentication, Reporting &amp; Conformance)<\/strong> DMARC: Configure DMARC to tell receiving servers how to handle emails that fail SPF and DKIM checks.<\/li><\/ul><h3><a name=\"_Toc171696087\"><\/a>Sending domain configuration<\/h3><ul><li>Use a dedicated sub-domain for transactional and marketing emails.<\/li><li>Configure a record <a href=\"https:\/\/support.efidem.com\/support\/solutions\/articles\/101000491418-configurer-un-domaine-email\" target=\"_blank\" rel=\"noopener\">CNAME<\/a> for link tracking.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e584d67 elementor-widget elementor-widget-heading\" data-id=\"e584d67\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2 - Contact list management<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce3190b elementor-widget elementor-widget-text-editor\" data-id=\"ce3190b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><a name=\"_Toc171696086\"><\/a>Email authentication<\/h3><ul><li><strong>DKIM (DomainKeys Identified Mail)<\/strong> DKIM: Configure DKIM to allow your emails to be digitally signed and verifiable by the receiving server.<\/li><li><strong>SPF (Sender Policy Framework)<\/strong> Implement SPF to define which servers are authorized to send emails for your domain.<\/li><li><strong>DMARC (Domain-based Message Authentication, Reporting &amp; Conformance)<\/strong> DMARC: Configure DMARC to tell receiving servers how to handle emails that fail SPF and DKIM checks.<\/li><\/ul><h3><a name=\"_Toc171696087\"><\/a>Sender Email Domain Configuration<\/h3><ul><li>Use a dedicated sub-domain for transactional and marketing emails.<\/li><li>Set up a CNAME record for link tracking, <a href=\"https:\/\/support.efidem.com\/support\/solutions\/articles\/101000426336-configurer-dkim-et-spf\" target=\"_blank\" rel=\"noopener\">more info here<\/a>.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-194d1c4 elementor-widget elementor-widget-heading\" data-id=\"194d1c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3 - Mail Deliverability - Email content<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b336c1f elementor-widget elementor-widget-text-editor\" data-id=\"b336c1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u00a0Format and Structure<\/strong><\/p><ul><li><p>Use a clean, well-structured HTML format.<\/p><\/li><li><p>Include a text version for email clients that don't support HTML.<\/p><\/li><\/ul><p><a name=\"_Toc171696093\"><\/a><strong>Personalization<\/strong><\/p><ul><li><p>Personalize emails with information relevant to the recipient.<\/p><\/li><\/ul><p><a name=\"_Toc171696094\"><\/a><strong>Unsubscribe link<\/strong><\/p><ul><li><p>Always include a clear, easy-to-find unsubscribe link.<a name=\"_Toc171696095\"><\/a><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-911598d elementor-widget elementor-widget-heading\" data-id=\"911598d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4- Mailing strategies<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01bba4f elementor-widget elementor-widget-text-editor\" data-id=\"01bba4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Cadence and Frequency<\/strong><\/p><ul><li><p>Avoid sending mass emails all at once. Use ramp-up techniques to gradually increase the volume of your mailings. On Snapshoot, you have the option of ramping up the sending of your e-mails over several hours of the day, and even over several days. This is a very effective way of ensuring good mail deliverability, minimizing the number of e-mails sent per minute and achieving better mail deliverability, especially with ISPs such as Orange, SFR, Yahoo, etc...<\/p><\/li><\/ul><p><a name=\"_Toc171696097\"><\/a><strong>Timing<\/strong><\/p><ul><li><p>Send your emails at optimal times according to your audience's geographical area and habits. Every audience is different, and every email has its own objective. Timing is of little importance for deliverability, but crucial for the success of the email campaign.\u00a0<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb0fa2e elementor-widget elementor-widget-heading\" data-id=\"fb0fa2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">5 - Mail Deliverability, monitoring and analysis<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46452cc elementor-widget elementor-widget-text-editor\" data-id=\"46452cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a name=\"_Toc171696099\"><\/a><strong>Delivery and opening rates<\/strong><\/p><ul><li><p>Monitor delivery, open, and click rates to detect potential deliverability issues. All these metrics are available per\u00a0<a href=\"https:\/\/www.efidem.com\/en\/powerful-french-emailing-software\/api-email-pro\/\" target=\"_blank\" rel=\"noopener\">API<\/a>\u00a0and on <a href=\"https:\/\/snapshoot.efidem.com\/account\/newone\" target=\"_blank\" rel=\"noopener\">Snapshoot<\/a>.<\/p><\/li><\/ul><p><a name=\"_Toc171696100\"><\/a><strong>Feedback Loop (FBL)<\/strong><\/p><ul><li><p>Sign up for\u00a0<a href=\"https:\/\/www.leptidigital.fr\/definition\/feedback-loop-34152\/\" target=\"_blank\" rel=\"noopener\">feedback loops<\/a><\/p><p>\u00a0offered by the main Internet Service Providers (ISPs) to receive reports on spam complaints.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6187de4 elementor-widget elementor-widget-heading\" data-id=\"6187de4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">6 - Email Domain Reputation Management<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13518a6 elementor-widget elementor-widget-text-editor\" data-id=\"13518a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a name=\"_Toc171696102\"><\/a><strong>IP reputation<\/strong><\/p><ul><li><p>Use dedicated IP addresses to send emails.<\/p><\/li><li><p>Monitor the reputation of your IP addresses using reputation monitoring tools.<\/p><\/li><\/ul><p><a name=\"_Toc171696103\"><\/a><strong>Domain email reputation<\/strong><\/p><ul><li><p>Maintain a good domain reputation by following deliverability best practices.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-999c2cc e-flex e-con-boxed e-con e-parent\" data-id=\"999c2cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe552b9 elementor-widget elementor-widget-heading\" data-id=\"fe552b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24165ca elementor-widget elementor-widget-text-editor\" data-id=\"24165ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Email deliverability is a key element of successful electronic communication. By following these best practices, developers can ensure that their emails reach recipients effectively and reliably. To warm up an email inbox, proper configuration, careful management of contact lists, quality content, a thoughtful sending strategy, and adherence to\u00a0<a href=\"https:\/\/www.cnil.fr\/fr\/reglement-europeen-protection-donnees\" target=\"_blank\" rel=\"noopener\">RGPD<\/a>\u00a0and continuous monitoring are essential for optimizing email deliverability via a <a href=\"https:\/\/www.efidem.com\/en\/emailing-software\/api-email-sending\/\">API<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfbb8b0 elementor-widget elementor-widget-heading\" data-id=\"bfbb8b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Thanks for reading!<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6334ab elementor-widget elementor-widget-image\" data-id=\"e6334ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"578\" src=\"https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-1024x740.webp\" class=\"attachment-large size-large wp-image-13350\" alt=\"mail delivery\" srcset=\"https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-1024x740.webp 1024w, https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-300x217.webp 300w, https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-768x555.webp 768w, https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-1536x1109.webp 1536w, https:\/\/www.efidem.com\/wp-content\/uploads\/2025\/05\/7fdf2469-b56a-444e-b5a6-700658ce2d3c-2048x1479.webp 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Mail D\u00e9livrabilit\u00e9, introduction Une bonne mail d\u00e9livrabilit\u00e9 est cruciale pour le succ\u00e8s de toute communication \u00e9lectronique. En tant que d\u00e9veloppeur int\u00e9grant une API d&rsquo;envoi d&#8217;emails, il est essentiel de comprendre et de mettre en \u0153uvre des pratiques optimales pour garantir que les emails atteignent bien la bo\u00eete de r\u00e9ception de vos destinataires. Ce livre blanc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13399,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[46,92,84],"tags":[87],"class_list":["post-12044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-marketing","category-delivrabilite","category-snapshoot-app","tag-delivrabilite"],"acf":[],"modified_by":"@Efidem_csm","amp_enabled":false,"_links":{"self":[{"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/posts\/12044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/comments?post=12044"}],"version-history":[{"count":0,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/posts\/12044\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/media\/13399"}],"wp:attachment":[{"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/media?parent=12044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/categories?post=12044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.efidem.com\/en\/wp-json\/wp\/v2\/tags?post=12044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}