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Best free/cheap web host for DIY email
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this post was submitted on 21 Oct 2023
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I hate to say this but even for dedicated self hosters it’s almost never worth it to self host email, either at home or hosted on some rented server or via some IP tunnels.
The reason being is that even after you set up DKIM and SPF and DMARC perfectly you will still need to fight to keep your IPs off of spam lists.
It’s somewhat doable but at the cost of:
If anyone in the /16 that your IP lives in sends spam you get re added to the list.
Self hosting email is almost never worth it. I self host everything except for email and maps. Those two just are not worth it.
In my experience the problems with self hosting email mostly occur when something is misconfigured. I think it’s good for people to try to self host it, and if you pull it off it’s great (I love having mine self hosted, and it’s convenient to be able to have as many email addresses, storage, and accounts as I want). It is difficult to get right and debug when something is going wrong, but it’s far from impossible. If you set up SPF, DKIM, and DMARC and have rDNS pointing to your mail server’s domain name you’ll likely find success. It’s possible I’ve just gotten lucky, but I have never had a problem with IP ranges getting banned.
I encourage homelabers to set up email servers and to play with them. Doing all of that will help a lot and you will learn a lot for sure.
It’s mostly the bureaucratic stuff that’s the killer here I think. Without putting in an effort to do the constant spam list appeals you can never be confident that your email makes it into people’s inboxes. Sure you could test with Gmail, but you can’t test for all of the smaller email hosting providers that mostly use a combination of spam assassin and spam lists.
Without confidence I don’t think it would be wise to use email in “production”. If you only use email to receive notifications it might make sense to self host. But if you need to reliably, timely, and confidently send out messages the downsides of self hosting are rough.
For what it’s worth, this has not been my experience after self hosting my email for nearly a decade. It has not been a constant battle at all… it has just worked, and I get responses whenever mailing random people all the time and have not had delivery issues to my knowledge. That said, I have talked to people who have had issues and every time there has been something wrong with their configuration (usually DKIM or rDNS is not set up properly). There’s enough that can go wrong that I wouldn’t recommend people send important emails with it unless they’ve been doing it for a while and they’re sure it’s working, but in my experience this is all fear mongering. Self hosting your email is very doable and is generally not a constant battle against getting put in the spam slammer. There’s a lot of picky little things to set up at first, but once it’s set up it’s usually fine.