Guides

Practical writing about running your own email and content infrastructure. Useful whether or not you ever buy anything from us — that is rather the point.

AWS SES production access denied? What AWS actually wants

AWS rejects SES production access requests with 'for security purposes, we are unable to provide specific details.' Here is what that means, what the reviewer is really checking, the application wording that works, and what to do after a second denial.

Moving off Mailchimp: what transfers, what doesn't, and the order to do it in

A practical migration plan — exporting contacts and unsubscribes, what happens to templates and automations, setting up your sending domain, and why you should not send to the whole list on day one.

Split your sending domains before you need to

Mailbox providers score reputation at the domain level. If your campaigns and your password resets share a domain, one bad send takes both down. Here is how to split them, why a subdomain does not inherit the root's standing, and what AWS recommends for MAIL FROM.

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