NormanS
Premium,MVM
join:2001-02-14
San Jose, CA
 ·Pacific Bell - SBC
| reply to newview
Re: [Spam] Picture of a Comcast Zombie
If Comcast would just follow the lead of Cox, Bellsouth, and at&t. Block outbound port 25 to SMTP servers other than their own message submission servers.
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Norman
~Oh Lord, why have you come
~To Konnyu, with the Lion and the Drum |
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items
Is Items Good For America?
join:2002-06-26
Lancaster, PA
clubs: | A good idea... though that would require every other mail service to be RFC compliant, which is not happening anytime soon. Comcast apparently does not care about SMTP submission either as I see port 587 is blocked on their mail servers.
md |
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NormanS
Premium,MVM
join:2001-02-14
San Jose, CA
·Pacific Bell - SBC
| They aren't blocking port 587, they just aren't listening. If you go to the Comcast site, and look through their Help menus, you will find out how to configure mail clients to use port 465 with SSL for accessing the Comcast message submission servers. It should work just as well from the Comcast network as from an at&t connection (which is, mostly, port 25 blocked).
As for other services, well; maybe ISPs aren't compliant, but many mail services are:
AIM Mail: Port 587 (I have not tested whether it requires STARTTLS)
at&t (formerly SBC): Port 587w/oSTARTTLS
Comcast: Port 465w/SSL
GMail: Port 465w/SSL, Port 587w/STARTTLS
GMX Mail: Port 465w/SSL, Port 587w/STARTTLS
MyRealBox: Port 465w/SSL
Yahoo! Mail (U.S.): Port 587w/oSTARTTLS
That is, by no means, an exhaustive list. I believe Earthlink should be included. There are others.
--
Norman
~Oh Lord, why have you come
~To Konnyu, with the Lion and the Drum |
|
items
Is Items Good For America?
join:2002-06-26
Lancaster, PA
clubs:
| And I do advocate the use of port 465 as well. I do like running submission w/TLS on port 587 and have since configured this on the mail server I manage at work since this discussion started several months ago.
I don't use any of these sorts of services you list (except Comcast now and then) as I go with my own hosting company. I would hope that more and more consumers would ask their ISPs to do this.
md |
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