It’s not Nix-specific, but I use Mailcow-dockerized and it is completely hassle-free, been using it for 4 or 5 years now without a bobble (though I’ve run my own mailserver for 30 years).
I would agree that a static IP is necessary, but I don’t have one and I get by, even without a PTR record. That’s probably due to a fairly small ISP with not many spammers having found it.
Make sure you set up your DKIM and DMARC right from the start and pay heed to the reports. But I’ve never had to fight to get off a blacklist, even with new domains I’ve added to it.
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It’s not Nix-specific, but I use Mailcow-dockerized and it is completely hassle-free, been using it for 4 or 5 years now without a bobble (though I’ve run my own mailserver for 30 years).
I would agree that a static IP is necessary, but I don’t have one and I get by, even without a PTR record. That’s probably due to a fairly small ISP with not many spammers having found it.
Make sure you set up your DKIM and DMARC right from the start and pay heed to the reports. But I’ve never had to fight to get off a blacklist, even with new domains I’ve added to it.