Sorry to bring up this ongoing subject again but trying to use Windows Mail 10 and it's not sending the outgoing mail. After a bunch of trial and error I've found that the firewall in my Motorola SBG6580 modem is what's stopping the email from sending when set to a High or medium setting. The TWC outgoing mail is "mail.twc.com:587:0" I'm making a bunch of assumptions but I think the modem is setup to allow mail on port 465 (see pictures)?? I can't change that setting in my firewall but was looking for any ideas on how to fix the firewall whether there's a way to set up a forwarding port or port filter if possible. I know it's a modem issue as the problems follows two seperate SBG6580 modems on two different computers.
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