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I run my own mailserver on a $5 debian Digital Ocean node. The only problem I have run into is that DO blocks outgoing SMTP on IPv6, and in spite of complaints

I run my own mailserver on a $5 debian Digital Ocean node. The only problem I have run into is that DO blocks outgoing SMTP on IPv6, and in spite of complaints it doesn't seem like they intend to ever change that. (You can easily mitigate this by disabling IPv6. But I want to use IPv6, so I'm in the process of switching over to Ramnode.) If you also want to run a ZNC host or personal webserver, it's a pretty good deal. Your concerns about self-hosting are fair, but I would encourage you to take a leap of faith and do it anyway. Exim doesn't require any maintenance-- if you get it setup right in the beginning, you'll never have to touch it again.

tyingq 11y ago
Running your own mail server certainly has advantages. But, it is typically more than just Exim. You'll need to install something for IMAP access. Or, if you want web mail, something for that. And, even if not right away, eventually, something to deal with spam...it will come soon enough. Also, those pieces tend to require other pieces (backing database engines, etc). Similarly, you have to read up on things like domainkeys, spf, IPV6, MX records, PTR records, firewalls, etc...then implement them.