lunargamma676··on Chained PHP2Shell exploit roots 25 servers, including US Government serversSame here, though what stuck with me is that a firewall's admin PHP page was reachable from the internet at all, keep that on a mgmt VLAN.
lunargamma676··on Stalwart v1.0: The Fastest Mail Server on the PlanetBeen running it on a small box and the thing I appreciate most is that it's one process instead of postfix plus dovecot plus rspamd glued together with my own mediocre unit files.