nanog mailing list archives
Re: Is your ISP blocking outgoing port 25?
From: Lyndon Nerenberg <lyndon () orthanc ca>
Date: Thu, 18 Jun 2009 14:27:40 -0600
On Thu, 2009-06-18 at 16:14 -0400, Joe Provo wrote:
then you should be shifting your userbase to authenticated on the SUBMIT port [587] anyway...
Except for those ISPs who choose to intercept port 587 as well. This is a big problem with Rogers in Vancouver. They hijack port 587 connections through some sort of lame proxy that connects you to your intended host, but strips the AUTH field out of the EHLO response from the remote submission server ...
Current thread:
- Is your ISP blocking outgoing port 25? Zhiyun Qian (Jun 18)
- RE: Is your ISP blocking outgoing port 25? Paul Stewart (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Charles Wyble (Jun 18)
- RE: Is your ISP blocking outgoing port 25? Paul Stewart (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Charles Wyble (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Charles Wyble (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Paul M Moriarty (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Joe Provo (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Lyndon Nerenberg (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Christopher Morrow (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Jack Bates (Jun 18)
- Re: Is your ISP blocking outgoing port 25? Jeroen Wunnink (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Patrick W. Gilmore (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Jeroen Wunnink (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Sean Donelan (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Steven King (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Michael Thomas (Jun 19)
- Re: Is your ISP blocking outgoing port 25? Dave Pooser (Jun 20)
- RE: Is your ISP blocking outgoing port 25? Frank Bulk (Jun 22)
- Re: Is your ISP blocking outgoing port 25? Lyndon Nerenberg (Jun 18)
- RE: Is your ISP blocking outgoing port 25? Paul Stewart (Jun 18)