Forum Discussion
Exchange Server was exploit and used to send spam email
over past two day we seen there are lots of outgoing email and none of them are from our environment, email address are faked and keep sending to external user. we would like to know how to prev...
12-07:
here are some updates seen on from our environment
I ran message tracking and found out there are strange outgoing email. for example email address removed for privacy reasons send email to email address removed for privacy reasons. But within our environment there is no mailbox email address removed for privacy reasons
Is spammer using our server FQDN and relay email anonymously? I have disable the anonymous permission group from default frontend connector but still no help.
Is there anyway we can eliminate anonymous relay or prevent this from happening