Assuming that you do want to fully self host, my go-to is a postfix+mariadb+postfixadmin+spamassassin+opendkim stack. With rainloop as a webmail if required.
Avoid exim like the plague
Assuming that you do want to fully self host, my go-to is a postfix+mariadb+postfixadmin+spamassassin+opendkim stack. With rainloop as a webmail if required.
Avoid exim like the plague