Does anyone on here have comcast for an ISP? I use them and today I was
messing around on a machine I use for FTP service over my LAN (Not
accessible from the net so I'm not worried about using it for back ups)
and anyway, I wanted to set up one of my comcast accounts on it so I
could do as I've done for years, and use SSH to log into that machine
and use fetchmail to grab my email off comcast, and then use Mutt to
check it since I really like Mutt.

Well, I got sendmail up ad tested that it was working and it was working
fine. After that I tried sending a test email with Mutt.

For some reason ti failed even though it was the backed up copy of my
Muttrc that I used to use on EVERY machine I used mutt on. I always
backed it up because I had it looking really nice with colors and also
my email address was in there and I built in a mini addy book for my
friends and mailing lists I'm on so I didn't have to worry about an
address book being deleted by accident.

Well, it failed horribly. I can't send an email because it's blocked,
and also, using fetchmail isn't exactly working either and I can't stand
how getmailrc works....

So does anyone here use Comcast and Mutt for an email client that could
maybe reply and let me know how they do it? Id' like to use Mutt and
also I do like how simple fetchmail is to use, so fi you use these and
have Comcast for internet please reply with how you did it. I'm googling
right now but everything I find isn't exactly helpful, so if anyone here
uses Mutt and has Comcast please let me know how you did it.

What you have available in the e-mail realm when you are
on the Comcast network:

For e-mail CLIENTS you may retrieve mail via the standard
IMAP or POP3 ports from a remote non-comcast mailserver.

For e-mail CLIENTS you may send mail through a remote
non-comcast mailserver using the submission port 587 and
authenticated SMTP.

For e-mail SERVERS you can use fetchmail to pretend the
server is a mail client, then redistribute the mail
internally.  However you cannot use sendmail to send
out outgoing mail to port 25 on remote mailservers - unless
it's to the comcast mailserver.

  Comcast's residential
TOS prohibits servers and they enforce this by blocking incoming
traffic going to SMTP, IMAP and POP3 ports.

I'd like to call BS here.  My mail server runs on a Comcast connection.
I send all my out going mail through them, but incoming mail works
without issue.  My employer does pay for my Internet connection, so it
might be on some exception list for business service.  But, it
definitely works.

It's very much a location-by-location, and sometimes even a connection-by-connection kind of thing. I'm in Northern Virginia (DC area), and I've been running a mail server on my Comcast connection for over a year. I found that a lot of providers like Yahoo, AOL, etc. refused to take mail I sent directly out (though Gmail was awesome, shocker, huh?), so I use DynDNS to send outbound mail. For a few months starting last November or so, they blocked all mail -- said there'd been some sort of spike in traffic on my connection that they refused to give me details about, and felt I was infected with something (nevermind that it was a fully patched OpenBSD server running the mail) -- and I had to switch to port 587 for a while. With no notice at all, though, port 25 re-opened at some point later, so I think it was some sort of dynamic block that had an auto-timeout.

In any case, you definitely can run mail on Comcast...just not legitimately per their TOS, so you're kind of at the mercy of the local techs.

Alex Kirk

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