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 have been using my own email for many years (to this day). Everything is working great. The main thing is to have a static IP and be able to specify your domain in the PTR record of the ip address.
In general, you will need: postfix (https://wiki.archlinux.org/title/Postfix) OpenDMARC (https://wiki.archlinux.org/title/OpenDMARC) OpenDKIM (https://wiki.archlinux.org/title/OpenDKIM) Dovecot (https://wiki.archlinux.org/title/Dovecot) Some interface to choose from (soGO, roundcube) Maybe graylists, ClamAV, SpamAssassin, or something else to protect your mailbox from spam and viruses. And if you want filtering functionality, then you also need Sieve.
Where are you hosting your mail?
On my home server. My ISP gives me a static address and makes PTR records for only about $1.5 per month.
How do connect to your mail’s server outside your home network?
Sorry for all the questions, I’m trying to get my DNS working with a vpn and it’s been difficult.
If you want to be able to accept mail, you’ll need to directly expose your mail server on your public IP (router configuration required). You’ll also need to allow your server to egress your WAN as well. That being said - if you really want tighten your security, and don’t care about missing some emails, you could limit your server to seeing only those servers you know you’ll be communicating with, such as work, bank, or GMail servers only.
You can make it so that retrieving your email with your client of choice requires a VPN connection to your home network also.