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nx2 ,

I wrote a blog some time ago why selfhosting email sucks

https://nx2.site/email-selfhosting

If you just want the email server for only you and your friends, or for internal messages, selfhosting email can be fun, but your main email should probably not be selfhosted.

just_another_person ,

You are asking for a world of pain here.

Tetsuo ,

If you do self host I suggest reading carefully the Gmail guidelines for mails. They are the leaders in the field and they dictate the level of security required.

DNS forward and reverse, DKIM, SPF, DMARC, ARC, DANE, bounce signature etc. Email is indeed a very complicated thing to host. I work on emails system all day and and I wouldn't host my own mail.

Even worse I'm hoping email disappear and another technology takes it place. Emails are unreliable and outdated, they need to go.

darklamer ,
@darklamer@lemmy.dbzer0.com avatar

As already mentioned several times, selfhosting a mail server is not recommended unless you're particularly interested in hosting a mail server, but with that said, you might find this project interesting:

https://maddy.email/

mypasswordis1234 ,
@mypasswordis1234@lemmy.world avatar

Please, just don't. It's pain in ass

smokinliver ,

There is Mailcow. But simple is relative I guess cause you still gotta configure a lot around it to not end up on every spamlist out there

Norgur ,
@Norgur@fedia.io avatar

Dmarc/dkim/SPF/certs. Fun times!

I got a mall server running, yet it's almost more as an inbox.

merthyr1831 ,

don't.

pcouy ,

Things have been going well for me, using docker-mailserver.

I followed the setup guide, did everything in the DKIM, DMARC and SPF documentation page. The initial setup required more involvement from me than your standard docker-compose self-hosting deployment, but I got no issues at all (for now, fingers crossed) after the initial setup : I never missed any inbound e-mails, and my outbound e-mails have not been rejected by any spam filter yet.

However, I agree with everyone else that you should not self-host an important contact address without proper redundancy/recovery mechanism in case anything goes wrong.

You should also understand that self-hosting an email address means you should never let your domain expire to prevent someone from receiving emails sent to you by registering your expired domain. This means you should probably not use a self-hosted e-mail to register any account on services that may outlive your self-hosted setup because e-mail is frequently used to send password reset links.

kamenlady ,
@kamenlady@lemmy.world avatar

I once came to the conclusion that there is no easy mail server

retro ,
@retro@infosec.pub avatar

If you need to throw in the towel on email self-hosting, don't be ashamed. Mail servers are one of the more difficult projects to run. If you do end up outsourcing this, I recommend SendGrid, it's reliable and free.

shrugal ,
@shrugal@lemm.ee avatar

I agree with everyone here that self-hosting email is never easy, but if you still decide to go down this route then here are two tips that I personally found very helpful, especially when you decide to host it at home:

The first is to get an SMTP relay server. That's just another mail server that yours can log into to actually send its mail, just like an email client would. That way you don't have to worry about your IP's sending reputation, because everyone will only see the relay's reputable IP.

Second is to configure a Backup MX. That's an additional MX DNS entry with lower priority than the primary, and it points to a special mail server that accepts any mail for you and tries to deliver it to the primary server forever (or something like an entire week). So when your primary server is unreachable other sending servers will deliver mail to the backup, and it delivers the mail to the primary as soon as that's back online.

You can get these as separate services, but some DNS providers (like Strato for example) offer both with the base domain package. It makes self-hosting an email server much simpler and more reliable in my experience.

bmck ,
@bmck@lemmy.bmck.au avatar

Check out https://stalw.art/

bastion ,

Interesting how you use "simple" and "mail server" in the same sentence.

palarith , (edited )

You don’t need a mail server to send emails

Use an smtp smart host like smtp2go

ozzyrockin ,

+1 to this worked for me, only issue was they block common free emails (like gmails etc) from making accounts but porkbun made it super easy to make a email forward that worked!

vext01 ,
@vext01@lemmy.sdf.org avatar

I self host my email. It was hard work to set up. 0/10. Would not come again.

roofuskit ,

I second this comment. It's been a long time since I set one up and it was a pain. And from what I can tell it's only gotten harder.

ErwinLottemann ,

i self host my mails for almost 20 years now, it was hard work in the beginning, now it's just a few updates a year. no problem with blacklists or anything, a good hoster is probably beneficial, 10/10 would recommend, even just to learn how all of this works

vext01 ,
@vext01@lemmy.sdf.org avatar

That's true. I did learn a lot, but the idea of setting it all up again gives me anxiety.

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