I've got a fax machine converting inbound faxes to PDFs and sending them to my email. My ISP is now blocking port 25 on their entire network, no exceptions. Port 25 is fixed in the fax firmware and ...

Larry Seltzer of eWeek, whom I have great respect for and usually agree with, wrote this article on dealing with spam using the controversial tactic of blocking all outbound port 25 access.? The logic ...

My school blocks pretty much everything. I can do ports 21, 22(?), 23, 6667, 80, 8080, and probably a few others that I haven't tried.<BR><BR>I wouldn't mind so much, but the school blocks outside ...