Greetings everyone,
I am looking for help determining how some SMTP port 25 traffic that is entering my network. The Cisco ASA is setup to allow only port 25 traffic from Postini yet I see 25 traffic on the network coming in.
Could this bee NDR type traffic and if so how can I tell by looking at the data stream?
I am a OJT Network person so full grace required ;)
Thanks!!
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