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Harvester attack - lost mail? [message #901] Thu, 11 November 2004 16:00 Go to previous message
Mark Haller
Messages: 27
Registered: August 2004
Junior Member

Hi there,

I am unsure how NST works when there are 10 ports, for instance, maximum to listen and send SMTP traffic, and there are other mails waiting to come in?

We have had a lot of SPAM and Harvester attacks over the last few weeks and a lot of mails we send or are supposed to receive are just not coming in.

Is it possible that the NST proxy can be overwhelmed and just REJECT the mails coming in or going out?

This never used to happen when we didn't use NST - mails just were not lost. You could go and see them queuing up on the server and you just had to wait.

Many thanks in advance

Mark Haller
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