Identifying mail account used in CRAM-MD5 transaction
- by ManiacZX
I suppose this is one of those where the tool for identifying the problem is also the tool used for taking advantage of it.
I have a mail server that I am seeing emails that spam is being sent through it. It is not an open relay, the messages in question are being sent by someone authenticating to the smtp with CRAM-MD5.
However, the logs only…