In our area Comcast does allow port 25 access to third party mail servers. But if they see a lot of preceived spam traffic on your circuit they will block port 25 on you.
We see this from a lot of access providers. We have people use port 587 to solve the issue. Chuck Schick Warp 8, Inc. (303)-421-5140 www.warp8.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert M. Perez Sent: Wednesday, March 12, 2008 11:14 AM To: [email protected] Subject: RE: [IMail Forum] Comcast Issue I don't think comcast supports port25 anymore. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Imail Admin Sent: Wednesday, March 12, 2008 1:01 PM To: [email protected] Subject: Re: [IMail Forum] Comcast Issue We had a client who uses Comcast and suddenly found one day that all outgoing mail was blocked. Comcast swore it wasn't them but I tested everything from the desktop PCs to the router and found that mail made it to Comcast but never made it to us. One day, after a month or so, the problem went away. Moral of the story: Comcast can do a lot of weird stuff without even knowing that they are doing it. It is quite possible that they are blocking your client's messages with attachments and they don't even realize it. Ben ----- Original Message ----- From: "Steve Hyer" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, March 12, 2008 7:44 AM Subject: [IMail Forum] Comcast Issue >I have a client who uses comcast as his SMTP and he tried to send to a >domain on my mail server that I host and when he sends Email with any >attachments, they do not reach our server. Has anyone else experienced >anything like this? > > Thanks, > SJH > > 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/ 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/
