Even without email relay enabled or anyone gaining unauthorized access to the SBS 2003 server, our Exchange none the less became a SPAM source. Thousands of SPAM emails sent during a few hour period. I was wondering what others have found as a root cause for such a takeover and their experiences.
Software/Hardware used:
SBS 2003 Exchange
ASKED:
June 28, 2011 2:38 PM
UPDATED:
June 28, 2011 2:45 PM