{"id":234193,"date":"2026-02-03T14:57:44","date_gmt":"2026-02-03T13:57:44","guid":{"rendered":"https:\/\/spotler.com\/guides\/complete-sender-reputation-checklist"},"modified":"2026-02-24T10:09:47","modified_gmt":"2026-02-24T09:09:47","slug":"complete-sender-reputation-checklist","status":"publish","type":"guides","link":"https:\/\/spotler.com\/en-gb\/guides\/complete-sender-reputation-checklist","title":{"rendered":"The complete checklist for a great sender reputation"},"content":{"rendered":"
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The complete checklist
for a great sender reputation<\/h1>\n<\/div>\n<\/div>\n<\/div>\n

If your emails are not landing in the inbox, nothing else really matters. You can have the cleanest design, the sharpest copy, and the best offer, but if mailbox providers do not trust you as a sender, your emails will be filtered, delayed, or quietly sent to spam. This is where sender reputation comes in.<\/strong><\/p>\n

Sender reputation is one of the strongest signals inbox providers use to decide whether your emails are welcome. It is not a single score you control, and it is not something you can fix once and forget. It is the result of your sending behaviour over time, measured across metrics such as engagement, complaints, bounces, and technical setup.<\/p>\n

The tricky part is that sender reputation often becomes visible only when something goes wrong. Open rates drop.<\/em> Campaigns that used to perform suddenly struggle. And by the time marketers start digging, damage may already be done.<\/p>\n

This guide exists to prevent that.<\/p>\n

Instead of vague best practices, you will find a practical checklist<\/strong> you can actually work through. It is designed to help you understand what impacts sender reputation, how to spot risks early, and what good looks like in day-to-day email marketing.<\/p>\n

You do not need to be a deliverability expert to use it. You just need a willingness to be consistent, curious, and proactive. And ideally, the right tools to support that work<\/a>.<\/p>\n

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What sender reputation really means for email deliverability<\/h2>\n

Mailbox providers like Google, Yahoo<\/a>, and Microsoft want one thing above all else: a good user experience. Sender reputation is how they estimate whether your emails are likely to deliver that experience.<\/p>\n

They do this by analysing signals across your sending history, including:<\/p>\n