Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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I self-host my email using Mailcow, and use a VPS for it. I don't trust my home server to be reliable enough, and the VPS providers have nicer equipment (modern AMD EPYC CPUs, enterprise SSDs, datacenter-grade 10Gbps or 40Gbps connections, etc). I use a separate VPS just for my emails - it's the one thing I want to ensure is secure, so I didn't want any other random software (that could potentially have security issues) running on it..
I also use an outbound SMTP relay to avoid having to deal with IP reputation. Very easy to configure this in Mailcow. SMTP2Go has a free plan for sending <1000 emails per month.
It kind of amazes me that, in this day and age, email has turned out to be the lynchpin of security. Email as a 2FA endpoint. Email password reset systems. If email is compromised, everything else falls. They used to tell us not to put anything in email that you wouldn't put on a postcard...how did this happen?