We provide ISP sevices to a local office of a company that has their
corporate email hosted elsewhere. Because of port 25 blocking, we set up
SMTP accounts for them on our mail server (Imail 5.08). Since last week we
had some very stange occurances for this client only. When they try to send
mail nothing happens - here is an example -
06:19 12:07 SMTPD(0000028A) Authenticated hoyt, session treated as local.
06:19 12:07 SMTPD(06580338) [64.24.105.124] MAIL FROM:
<[EMAIL PROTECTED]>
06:19 12:07 SMTPD(06580338) [64.24.105.124] RCPT TO:
<[EMAIL PROTECTED]>
>From there on out nothing happens - there is no record that the mail server
is attempting to connect to companydomain.com or anything - it just times
out on the mail client.
Now here is a transaction from ~30 minutes earlier that went through with no
problem.
06:19 11:41 SMTPD(0000028A) Authenticated hoyt, session treated as local.
06:19 11:41 SMTPD(192E02D6) [64.24.105.145] MAIL FROM:
<[EMAIL PROTECTED]>
06:19 11:41 SMTPD(192E02D6) [64.24.105.145] RCPT TO:
<[EMAIL PROTECTED]>
06:19 11:41 SMTPD(192E02D6) [64.24.105.145] F:\IMAIL\spool\D8ece2d6.SMD 1338
06:19 11:41 SMTP-(000002D2) processing F:\IMAIL\spool\Q8ece2d6.SMD
06:19 11:41 SMTP-(000002D2) Trying companydomain.com (0)
06:19 11:41 SMTP-(000002D2) Connect companydomain.com [210.178.180.9:25] (1)
06:19 11:41 SMTPD(192E02D6) [64.24.105.145] MAIL FROM:
<[EMAIL PROTECTED]>
06:19 11:41 SMTP-(000002D2) 220 mail1.webhosting.com ESMTP
06:19 11:41 SMTP-(000002D2) >EHLO mail.warp8.com
06:19 11:41 SMTPD(192E02D6) [64.24.105.145] RCPT TO:
<[EMAIL PROTECTED]>
06:19 11:41 SMTP-(000002D2) 250-mail1.webhosting.com
06:19 11:41 SMTP-(000002D2) 250-PIPELINING
06:19 11:41 SMTP-(000002D2) 250 8BITMIME
06:19 11:41 SMTP-(000002D2) >MAIL FROM:<[EMAIL PROTECTED]>
06:19 11:41 SMTP-(000002D2) 250 ok
06:19 11:41 SMTP-(000002D2) >RCPT To:<[EMAIL PROTECTED]>
06:19 11:41 SMTP-(000002D2) 250 ok
06:19 11:41 SMTP-(000002D2) >DATA
06:19 11:41 SMTP-(000002D2) 354 go ahead
06:19 11:41 SMTP-(000002D2) >.
06:19 11:41 SMTP-(000002D2) 250 ok 992972669 qp 25781
06:19 11:41 SMTP-(000002D2) rdeliver companydomain.com
[EMAIL PROTECTED] (1) <[EMAIL PROTECTED]> 1338
06:19 11:41 SMTP-(000002D2) >QUIT
06:19 11:41 SMTP-(000002D2) 221 mail1.webhosting.com
06:19 11:41 SMTP-(000002D2) finished F:\IMAIL\spool\Q8ece2d6.SMD status=1
This occured last week and all of a sudden went away and now it is happening
again. It happens with many domains but only for this one client. It also
appears to happen more with messages with attachments than messages without
attachments.
Anyone have any ideas.
Chuck Schick
Warp 8, Inc.
www.warp8.com
303-421-5140
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