I asked around and got this presentation, but you can search for OP25B too:
http://www.anacom.pt/streaming/Honda.pdf?contentId=988141&field=ATTACHED_FILE Some non-anecdotal data about the effectiveness of blocking port 25.
I asked around and got this presentation, but you can search for OP25B too:
http://www.anacom.pt/streaming/Honda.pdf?contentId=988141&field=ATTACHED_FILE Some non-anecdotal data about the effectiveness of blocking port 25.