I use qpsmtpd as a SMTP proxy, which handles all my anti-spam checks, and does virtual domain lookups. The setup is documented here, and pretty nice https://gi

I use qpsmtpd as a SMTP proxy, which handles all my anti-spam checks, and does virtual domain lookups. The setup is documented here, and pretty nice https://github.com/skx/ms-lite/ https://github.com/skx/ms-lite/