this post was submitted on 17 Feb 2024
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I hear self-hosting email is a really complicated thing if you want it secure and all that. I never tried, just hearsay.
The only problem with self-hosting is that big coorps like google or microsoft will put you on their spam list, so your e-mails will land in the spam folder when you send emails to gmail or outlook addresses. Other than that it's not a huge hassle as stuff like https://mailcow.email/ or mailu or mail-in-a-box exist.
Ah, wow. Yeah. That's a big problem, or would be for me anyway. No time or energy to deal with that issue.
Just make sure you add DKIM and all that. Mail in a box will do it mostly for you and it should take care of the spam issues at least until someone reports your emails as spam. For a personal email that shouldn’t happen.
Basically sending emails without DKIM is like serving a webpage on HTTP; nobody should trust the page you got was not altered and the domain is properly registered.
Without dkim dmarc spf and all that stuff it won't even reach the spam folder, but get either silently dropped or rejected where mailer daemon will send you a nice message.