We have people that travel and I've been annoyed a lot with some hotels using ISPs that block SMTP port 25 traffic. The solution is having to talk the users through changing the default SMTP server ...
We’re having problems with open relay on Microsoft Exchange Server 2000. We tried to shut downSMTP, clean out queues, turn off relaying, etc., but nothing worked. For a quick fix, we set up a ...
It would appear that I can telnet to port 25 of my smtp server from anywhere and send messages. Does this constitute an open relay? If so, what's the accepted way to lock it down?<BR><BR>[Edit]<BR>As ...
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