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17577
2010 Nov 10
1
dictonary attacks
Hi hoping someone can help me a little with this one.
I have 2 mail servers, the incoming mail server runs dovecot and the
outgoing mail server runs postfix with sasl.
Lately I noticed a lot of spammers are running dictionary attacks on my
incoming server and then using that user/password for sasl on the outgoing
server.
The weird thing is I never see on the logs the guessed