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SnoopZ · 11-02-2007, 18:40

Port 25 is the Simple Mail Transfer Protocol (SMTP) for outgoing email so that won't be blocked.

https://www.grc.com/port_25.htm

11-02-2007, 18:40	#2
SnoopZ CF Resident Dog Join Date: Mar 2005 Posts: 15,066	Re: Port 25 Port 25 is the Simple Mail Transfer Protocol (SMTP) for outgoing email so that won't be blocked. https://www.grc.com/port_25.htm