{"id":19898,"date":"2026-03-19T10:23:32","date_gmt":"2026-03-19T09:23:32","guid":{"rendered":"https:\/\/www.efidem.com\/?p=19898"},"modified":"2026-06-24T17:55:05","modified_gmt":"2026-06-24T15:55:05","slug":"deliverability-email-campaigns","status":"publish","type":"post","link":"https:\/\/www.efidem.com\/en\/blog\/2026\/03\/19\/delivrabilite-campagnes-email\/","title":{"rendered":"Email Campaign Deliverability: 7 Mistakes to Avoid to Maximize Your Impact"},"content":{"rendered":"
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Email Campaigns: 7 Best Practices to Improve Your Deliverability<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Email deliverability is a central challenge for any marketing strategy today. You can design a relevant message with an attractive offer and a polished design, but if it doesn\u2019t reach the inbox, its impact will be nil.<\/p>

In a context where the requirements of email providers like Gmail and Yahoo have become stricter, it is essential to adopt best practices to secure your dispatches and improve your performance sustainably.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Maintain a quality contact base<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The quality of your contact database is one of the pillars of email deliverability. A poorly maintained database can quickly damage your sender reputation.<\/p>

Invalid addresses, non-existent domains, or inactive contacts generate errors (hard bounces), which are closely monitored by email providers. In the long run, this can lead to increased filtering of your campaigns.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Implement regular checks of your databases to identify and exclude at-risk addresses. A clean database not only improves deliverability but also optimizes the overall performance of your campaigns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Mastering shipping volumes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Email providers analyze sending volumes and their evolution over time. A sudden spike can be perceived as suspicious behavior, even if your campaign is legitimate.<\/p>

This type of variation can lead to slowdowns, filtering, or placement in spam.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Adopt a phased rollout logic by splitting your campaign into several waves. This approach allows for smoother volumes and strengthens the trust of email providers.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Work on your email content<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The content of your emails influences both deliverability and engagement. A message that is too promotional, poorly structured, or difficult to read can reduce its effectiveness.<\/p>

Furthermore, certain elements (links, formatting, message weight) can impact how servers analyze your email.<\/p>

\ud83d\udc49 Best practice:
Prioritize clear, concise, and mobile-friendly messages. Include a visible call to action and ensure links are functional and consistent with your communication.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Preserve your domain's reputation<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Your sending domain's reputation is a key factor in the deliverability of your email campaigns. It is built over time and depends on your sending practices.<\/p>

Poor campaign management (too many bounces, complaints, uncontrolled mass mailings) can quickly degrade this reputation.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Maintain consistency in your shipments, avoid drastic changes in volume, and adopt a progressive strategy. A good reputation significantly improves inbox placement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Foster recipient engagement<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Email providers no longer rely solely on technical criteria. They also analyze recipient behavior: clicks, opens, interactions, but also deletions or reports.<\/p>

Low engagement can be interpreted as a lack of relevance in your messages.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Segment your campaigns and prioritize active contacts. Sending the right message to the right person at the right time remains essential for maintaining a good level of engagement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Adjust sending frequency<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The sending frequency is often underestimated, even though it has a direct impact on how your campaigns are perceived.<\/p>

Excessive marketing pressure can lead to unsubscribes or a decrease in engagement, which indirectly impacts deliverability.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Finding the right balance between visibility and relevance. Adapting the frequency according to your audiences and their behavior helps to preserve the relationship with your recipients.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Measure and analyze your performance<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A high-performing email campaign relies on analyzing results. Without tracking, it's difficult to identify what's working and what needs improvement.<\/p>

Key indicators help you manage your campaigns and adjust your strategy.<\/p>

\ud83d\udc49 Best practice:<\/strong>
Track metrics such as deliverability rate, clicks, conversions, or unsubscribes. This data allows you to optimize your campaigns over time.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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EFIDEM<\/div>\r\n

The 7 best practices to remember<\/h2>\r\n

\r\n A simple summary to visualize the main levers for improving deliverability and quickly identify actions to implement for your email campaigns.\r\n <\/p>\r\n <\/div>\r\n\r\n

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Best practice<\/div>\r\n
Why is it important<\/div>\r\n
Recommended action<\/div>\r\n
Profit<\/div>\r\n <\/div>\r\n\r\n
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\r\n Maintain a quality base\r\n <\/div>\r\n
\r\n Invalid addresses, non-existent domains, or inactive contacts can quickly damage sender reputation.\r\n <\/div>\r\n
\r\n Regularly check and clean addresses before sending.\r\n <\/div>\r\n
\r\n Fewer hard bounces and a more reliable database.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Mastering shipping volumes\r\n <\/div>\r\n
\r\n Sudden spikes can be interpreted as suspicious by email providers.\r\n <\/div>\r\n
\r\n Split campaigns and send in multiple waves.\r\n <\/div>\r\n
\r\n More stable deliverability and better-accepted sending.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Cure the email content\r\n <\/div>\r\n
\r\n Unclear, overly promotional, or poorly structured content can reduce engagement.\r\n <\/div>\r\n
\r\n Write a readable, mobile-friendly message with a clear call to action.\r\n <\/div>\r\n
\r\n Better clicks and a smoother experience.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Preserve the domain's reputation\r\n <\/div>\r\n
\r\n Reputation directly influences inbox placement.\r\n <\/div>\r\n
\r\n Maintain consistent volumes and avoid drastic variations.\r\n <\/div>\r\n
\r\n A better level of trust with suppliers.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Encourage engagement\r\n <\/div>\r\n
\r\n Clicks, interactions, and positive signals strengthen campaign credibility.\r\n <\/div>\r\n
\r\n Segment audiences and prioritize targeting active contacts.\r\n <\/div>\r\n
\r\n More relevant and better-received campaigns.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Adjust sending frequency\r\n <\/div>\r\n
\r\n Too much marketing pressure can lead to a drop in engagement and unsubscribes.\r\n <\/div>\r\n
\r\n Adjust the frequency according to the behavior and interest of the recipients.\r\n <\/div>\r\n
\r\n A more lasting relationship with your audience.\r\n <\/div>\r\n <\/div>\r\n\r\n
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\r\n Measure performance\r\n <\/div>\r\n
\r\n Without analysis, it is difficult to identify bottlenecks or areas for improvement.\r\n <\/div>\r\n
\r\n Track clicks, conversions, deliverability, and unsubscribes after each campaign.\r\n <\/div>\r\n
\r\n More precise piloting and continuous optimizations.\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n