06-29-09 23:53:24 0 MSG 231315 Detected error on SMTP command 06-29-09 23:53:24 0 MSG 231315 Command: mail.securitycorporation.com 06-29-09 23:53:24 0 MSG 231315 Response: 554 OMTA08.westchester.pa.mail.comcast.net comcast Message sending error. Please go to http://help.comcast.net/content/faq/VBOB
Lists wrote: > > On Jun 30, 2009, at 5:00 PM, bytehd wrote: > >> thanks again Scott >> >> im just wondering if this affected anyone else.... >> >> Am i right to assume if your mx record and ISP r-DNS PTR records for >> your >> MTA are correct >> you let the MTA send its own mail? Right? > > Correct. At least, that is how I set up MTA's for myself, or clients. > >> Comcast refuses to let us do so. >> If we try, they force us to use smtp.comcast.net as a outbound relay. >> and in our case ASSP stands in front of the MTA (for auto- >> whitelisting), a >> nice feature. > > What is the error message in the logs that comcast is kicking back? > That would probably help in pinning this one down. > >> Also Comcast limits the number and size of outbound mesages to 20mb. >> most >> CAD or PDF files >> are bigger, esp when expanded into mime... > > > And that will be a problem if you use them as a SMTP smart host. If > you can avoid that, then you should be able to get around that issue, > and only have issues if you are sending email to an @comacast.net > address. > > Curious, what happens if you telnet to comcast's port 25, and initiate > a telnet based sending of email to them, what is the error message > they kick back, unless you have the old one from your logs. > > So far, my guess is you just need to get the spelling issue solves. > Right now, email from your machine hits then, they do a rDNS lookup on > it, follow it to an A record, find there is no A record, so they > reject, with the idea being that, if there is no A record, why bother > talking to the server at all, they see it as not even there. > -- > Scott * If you contact me off list replace talklists@ with scott@ * > > > ------------------------------------------------------------------------------ > _______________________________________________ > Assp-user mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/assp-user > > -- View this message in context: http://www.nabble.com/Comcast-screws-with-outbound-mail-tp24276038p24334153.html Sent from the assp-user mailing list archive at Nabble.com. ------------------------------------------------------------------------------ _______________________________________________ Assp-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/assp-user
