On 3/5/10 1:33 PM, Zachary Frederick wrote: > We have been having a problem emailing to a customer whose server is hosted > by The Planet (http://www.theplanet.com/). Our mail server is hosted in-house > on a comcast business connection. > > IP address of our server is: 173.13.45.23 > > Customers mail server is: 69.93.203.243 > > I cannot telnet to port 25 on their server, and they cannot telnet to port 25 > on ours. > > If I try to connect to their mail server from a different network such as my > home internet connection, I can connect. > We do not do any firewalling that would block this in anyway. We were able to > send and receive email to them when we used Qwest for our connection, before > we switched to Comcast. > > Comcast has said the problem is not on their end because it times out at The > Planet. > The Planet doesn't have much interest in speaking with me, because I'm not > their customer.
Have the recipient who is a The Planet customer open a case with them. For what it's worth (not much, I know), it works from here. Mail server is likely behind a PIX with SMTP fixup enabled. ~ jay$ telnet 69.93.203.243 25 Trying 69.93.203.243... Connected to mx.insurancewebsitebuilder.com. Escape character is '^]'. 220 ******************************************************************************************** -- Jay Hennigan - CCIE #7880 - Network Engineering - j...@impulse.net Impulse Internet Service - http://www.impulse.net/ Your local telephone and internet company - 805 884-6323 - WB6RDV
