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  • Status: Solved
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What process does fax routing use?

I have a port blocking rule in use on our server to stop mass-mailing worms from working.  Unfortunately, it also blocks legit messages from our faxing/sharepoint site.

Does anyone know the process (.exe) name that sends out SMTP mail from either Microsoft fax or Sharepoint?

Thanks in advance!

1 Solution
The fax service use three fixed ports: 135, 139 and 445, and randomly allocated high TCP ports. The SMTP port is 25 UDP and TCP.

The fax executable is called "faxsvc.exe"

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