Quote:
Originally posted by swedguy
They probably blocked all out traffic going to port 25.
Set up a smtp server on any other port than 25 and use that for your outgoing mail and you should be all set.
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They have blocked ranges of ports I suspect. port 80 is open.
He's prolly behind a firewall and doesn't have a public IP. A lot of the email he sends won't get to its destination without reverse dns etc. setup.