Postfix
Logs
A domain has been flood with false email.
I turn the domain off.
Nov 27 04:05:30 ns2 postfix/error[25429]: 68CEB32508FA: to=<
[email protected]>, relay=none, delay=59096, delays=59095/0.55/0/0.01, dsn=4.0.0, status=deferred (delivery temporarily suspended: host...