[GRLUG] Getting a straight connection from Comcast
Greg Folkert
greg at gregfolkert.net
Sat Oct 26 10:08:00 EDT 2013
On Sat, 2013-10-26 at 08:21 -0400, Matt Behrens wrote:
> On Oct 26, 2013, at 8:18 AM, Richard Nienhuis
> <richardnienhuis at gmail.com> wrote:
>
> > When I ordered comcast I just told them I was supplying my own modem
> and bought one.
>
> Oh yeah, that’s right, they lease, don’t they. How soon I forgot how
> the cable company works. Probably a good idea. (In which case I’m in
> the market for recommendations, if they’re still on the shelves.)
>
> Also: any craziness with SMTP? I have a Postfix config right now that
> establishes the required SSL connect to AT&T and authenticates plus I
> manage a whitelist of authorized envelope addresses. Hoping whatever
> I have to do for outbound SMTP is equally or less insane.
Comcast blocks *all* outgoing connections to port 25 outside of its
network.
IOW, any delivery from your DHCP / Dynamic Address, will not work.
Unless you have a static IP Address with a Business Account.
--
greg at gregfolkert.net
PGP key 1024D/B524687C 2003-08-05
Fingerprint: E1D3 E3D7 5850 957E FED0 2B3A ED66 6971 B524 687C
"The world can only be grasped by action, not by contemplation."
-- Jacob Bronowski
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