this post was submitted on 30 Jan 2024
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submitted 10 months ago* (last edited 10 months ago) by vsis@feddit.cl to c/selfhosted@lemmy.world
 

Hello. Let's say I want to selfhost an email server (smtp + imap) that only will be used to receive email.

I only will send email internally (from my domain to my domain) and receive from 3rd parties.

Should I setup DKIM, DMARC, SPF and reverse IP lookup?

To be honest, I'm having a bit of hard time understanding the madness of email authentication. So I can't figure it out by myself if those mechanisms are needed in my case.

I haven't deployed anything, but probably will use Stalwart. It looks like it's easy to deploy. Is there any other beginner-friendly email service I should read about?

Thanks!

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[–] lemmyvore@feddit.nl 6 points 10 months ago

will give any senders the benefit of the doubt and accept mail that claims to be from your domain.

You misspelled "black-hole your domain forever".