I’m planning the transition to self-hosted mail. I did fully self-host mail >10 years ago, so I know how to do it in essence, but I’d like to go a bit softer now, and not host outbound myself, it’s just too annoying.
What’s your take on that? Do you self-host SMTP as well? Why or why not?
If not, what providers do you use for it (especially in Europe, or even Germany)? How reliable are they? What’s the maximum attachment size? What do you pay for it?
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Amazon SES is a virtually zero-cost solution for SMTP. You can set up a smart relay on your mail server or simply have users plug in the SES SMTP.
The Exim mail server used in the free Hestia control panel also allows for using local SMTP or relayed SMTP on a per-dimain basis.