Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible
sieveare STARTTLS with enforced TLS escalation.
imapare disabled for additional security.
mta-stsfor fully encrypted email transfer channels.
[email protected]in both sending and receiving emails.
_for additional privacy.
Excision Mail aims to use as much of the base OpenBSD system and as few dependancies from ports as possible for maximum security.
sieveserver to allow access from clients outside the server.
mta-stsand publishing public keys.
Be replicable and stable to build and upgrade.
There should be no differences between upgrading a previous install and starting an install from scratch, if using the same configurations for both pathways.
Be well documented. Every part of the setup should be clear and explained.
Excision Mail tries to follow OpenBSD philosophy of being well documented and explaining all the choices that have been made.
If it does not have good documentation, then it is still buggy
OpenBSD 6.6 (may run on -current, but it will not be prioritized)
System requirements (good for about 50 users)
The primary mode of contact for reporting bugs and getting support is through GitHub.
Excision Mail has a matrix channel #excision-mail.