Tag Archives: SMTP

SMTP AUTH Attacks, How Big is the Problem Really?

The duties of a Spam Auditor involves more than just spam filtering; it also covers other suspicious mail server activity. One example of suspect mail server activity is SMTP Auth attacks. Such attacks can be carried by a single attacker, … Continue reading

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Rejecting ‘before’ SMTP processes

It is always surprising how much benefit you can get by blocking at the edge, on very simple rule sets, and how much load can be reduced. Of course it depends on your implementation, sometimes that means blocking at the … Continue reading

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