smtp: Distinguish more actions
Consider a mechanism to distinguish more types of actions in smtp minipot.
We can monitor e.g.
-
HELO
"scan" (client sendsHELO
and disconnects) -
Open-relay test (attempt to send an e-mail without authentication)#38 - ...
Also consider sending more information from the connection, e.g. HELO
identificator, FROM
address, RCPT TO
, ...