| Stephen Gran on 9 Nov 2005 10:24:57 -0000 |
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On Wed, Nov 09, 2005 at 12:51:06AM -0500, Tom Diehl said: > On Tue, 8 Nov 2005 tek@undergroundinfection.net wrote: > > > I recently got my qmail server up and running with a squirell frontend and > > noticed I'm getting the following in my logs: > > > > 1 0.58 Connected to 216.148.227.126 but sender was rejected./Remote > > host said: > > 550-68.42.28.147 blocked by blacklist.mail.ops.asp.att.net./550 Comcast.net > > subscribers are no longer permitted to directly connect to this mail > > server. To send email to other Comcast.net subscribers, you may forward > > messages through smtp.comcast.net/ > > Hummmmm, this is interesting. Are you a Comcast customer or are you trying > to send mail to a Comcast customer? Your ip address seems to indicate you > are a Comcast customer. I am curious because I get the same error on > a mail server that is on the end of a T1 trying to send to any Comcast.net > address. Interestingly enough blacklist.mail.ops.asp.att.net does not > resolve from outside of Comcast. Before someone asks, the machine is on a static > ip and it is not on any of the black lists I can find. The weird thing > about this is I can telnet to port 25 of all of Comcast's published mx's > and none of them have the above banner. I suspect that this is an internal > machine not accessible to the public but I cannot prove it. I wzs under the impression that the above meant that you were being blocked by an internal RBL. I think that adding their own address space to the RBL is just a way to force their customers to use the outbound mail server, rather than the MX records. -- -------------------------------------------------------------------------- | Stephen Gran | BOFH excuse #451: astropneumatic | | steve@lobefin.net | oscillations in the water-cooling | | http://www.lobefin.net/~steve | | -------------------------------------------------------------------------- Attachment:
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