Spam Mails from My Mail server

  • From: Vinaykumar G <G.VINAY@xxxxxxxxx>
  • To: isalist@xxxxxxxxxxxxx
  • Date: Mon, 17 Jun 2002 22:08:50 -0700

Hi All,
     I have very serious problem with my mail server. I have SMTP server on
IIS with Invalid IP and is published behind ISA server using Mail wizard as
secure NAT client.
 I find lots of spam mails going out from this mail server using external IP
address of ISA server. I have enabled SMTP filter on ISA, but i doubt its
working or not?
I find following messages in my Event viewer of ISA server.
 
THE SMTP command exceeded its length.
In details it shows as mail from some xyz@xxxxxxxxxx

Please advice as my Event viewer is full of such messages. Is it any kind of
Mail attack? What has to be done to stop such activity.
Please help me out,

Regards,
Vinay.


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