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My first E-Mail server
(lemmy.world)
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this post was submitted on 31 Jul 2023
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Wasn't intending to come off condescending. IMO exposing your internal network to the internet without a proper firewall is a risk, one I wouldn't take unless I had a DMZ and a dedicated VLAN.
In addition, you'd have to be on top of patch management. And when you do that, there's a chance of something breaking too. My preference is not to have to muck around troubleshooting my own email server when a patch window goes bad since that's what I deal with all day anyway. There will always be zero days, I'll just pawn that off the the big boys.
All of that is inherent in self hosting anything publicly accessible. You wouldn't start off a reply to someone setting up openvpn with "you're in for a world of hurt," would you?