John Hawley wrote: > I've run a mail server on comcast for about 5 years with no problems > with blockage. I do have to use them as a relay to get around the > problem of mail rejection from a source ip being in a dynamic range. Same here. Once Gmail and others stopped accepting mail from my dynamic ip address, I used the smtp.comcast.net relay on port 25. A few months ago, Comcast stopped doing that. I understand they still relay on port 587 but I haven't figured out how to make it work (requires encryption, Comcast user-id and password). If anyone has been able to make this work, I would appreciate any pointers.