Seems to me like to be able to force 587 to work correctly, the SMTP service would have to be able to reject the message during the envelope unless the sender authenticates before the RECP TO command or even the MAIL FROM command.
John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:IMail_Forum- > [EMAIL PROTECTED] On Behalf Of Matt Robertson > Sent: Friday, February 25, 2005 4:40 PM > To: [email protected] > Subject: Re: [IMail Forum] ISP's blocking port 25 except to their own mail servers > > > Just curious, why not the Message Submission Port 587? > > I use 2525 as well. Just something I pulled out of a hat, so to speak. > > Can't help but wonder how long it will take for 587 to become an > issue. Maybe 2525 will last longer. Or not. > > -- > --mattRobertson-- > Janitor, MSB Web Systems > mysecretbase.com > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
