submitted 9 months ago* (last edited 9 months ago) by vsis@feddit.cl to c/selfhosted@lemmy.world

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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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[-] taladar@sh.itjust.works 6 points 9 months ago

Those three are really not all that complicated, basically (apart from DKIM which you can ignore when not sending) they are just a couple of TXT DNS records you need to set once for your domain. Even if you were using DKIM it is just a keypair you generate and then put the public key into a DNS TXT record and configure your mail server to use the private key.

this post was submitted on 30 Jan 2024

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