I'm getting this error processing string (below) for any mail messages sent
from my server to this ISP. I and my various virtual domain users can send
and receive just fine to everyone but these guys.
As part of a buyout of a buyout (Onemain bought Lightspeed, which in turn
got bought by Earthlink) there has been an infrastructure change in the mail
system at that ISP. Otherwise, all I know is they say the problem is my
fault.
The key entry appears to be the 451 entry. Does that pronouncement of
failure come from them or me? Whose dns failed? What could cause that?
What is the significance of the #4.3.0 entry on that line?
Sorry to be so clueless. Any insight on this would be greatly appreciated.
Cheers,
--Matt--
07:26 21:39 SMTP-(0000072C) processing C:\IMail\spool\Qf0990aa.SMD
07:26 21:39 SMTP-(0000072C) Trying lightspeed.net (0)
07:26 21:39 SMTP-(0000072C) Connect lightspeed.net [63.208.208.82:25] (1)
07:26 21:40 SMTP-(0000072C) 220 smtp05.mail.onemain.com ESMTP
07:26 21:40 SMTP-(0000072C) >EHLO mysecretbase.com
07:26 21:40 SMTP-(0000072C) 250-smtp05.mail.onemain.com
07:26 21:40 SMTP-(0000072C) 250-PIPELINING
07:26 21:40 SMTP-(0000072C) 250 8BITMIME
07:26 21:40 SMTP-(0000072C) >MAIL FROM:<[EMAIL PROTECTED]>
07:26 21:42 SMTP-(0000072C) 451 DNS temporary failure (#4.3.0)
07:26 21:42 SMTP-(0000072C) SMTP_DELIV_FAILED
07:26 21:42 SMTP-(0000072C) >QUIT
07:26 21:42 SMTP-(0000072C) 221 smtp05.mail.onemain.com
07:26 21:42 SMTP-(0000072C) requeuing C:\IMail\spool\Qf0990aa.SMP R0 T1
07:26 21:42 SMTP-(0000072C) finished C:\IMail\spool\Qf0990aa.SMP status=3
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