Am 03.02.2014 17:29, schrieb Eric Cunningham: > After having completed those 2 steps, I added LOGIN back to > /etc/postfix/sasl/smtpd.conf to again allow outgoing > emails from Windows-based devices as follows: > > pwcheck_method: saslauthd > mech_list: PLAIN LOGIN > log_level: 3 > > After a few days, the open relay was rediscovered and we were again > blacklisted, forcing us to > remove LOGIN, which, very coincidentally, immediately closed the open relay
and you are *really* sure that there is no hacked account it sounds very unlikely that you can get a open relay by allow LOGIN method
