Script for generating a whitelist for Postfix's Postscreen based on large senders' SPF records
Why do you think that https://gitlab.com/simple-nixos-mailserver/nixos-mailserver is a good alternative to postwhite
Script for generating a whitelist for Postfix's Postscreen based on large senders' SPF records
Why do you think that https://gitlab.com/simple-nixos-mailserver/nixos-mailserver is a good alternative to postwhite