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Somebody is using our mail server....

Info_user100
Info_user100 asked
on
Medium Priority
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Last Modified: 2010-04-09
we are runing exchange 2003 behind ISA server. from our virus program i can see that the mail server sending emails to unrecognized addresses that are failed because they are bogos addresses,and after some time they goes to the bedMail directory
we permit the server to relay email only from one internal ip address. where is our hole? and how we can plug it?
many thanks in advance to the guru's
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