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2
votes
2answers
102 views

Using port port 25 on the same WiFi

Me and my brother live in the same apartment and use the same internet connection. (A WiFi router with WPA2 password). He uses Microsoft Outlook as his primary email tool and I noticed that his POP ...
1
vote
1answer
6k views

What are the realistic chances of email being intercepted via SMTP/TCP-IP? [closed]

Dear SMTP and TCP/IP network security gurus: I'm curious about what is the realistic risk of sensitive information (such as a email pdf attachment) being intercepted/read by a hostile party from a ...
3
votes
3answers
885 views

Why don’t SMTP servers just require all senders to be authenticated before accepting mail?

Why don’t SMTP servers just require all senders to be authenticated before accepting mail?
9
votes
1answer
241 views

Long running SMTP session

I recently noticed an SMTP session on my server which started when a remote host connected but never seemed to result in any emails being delivered. I could see that it was probably a SPAM site and so ...