Hi all-

I've been expereincing a lot of ugly errors lately:  many copies of the
smae emial arriving, some remte hosts can't email us at all (yes, MX
records are ok).  I've begun to watch everytihng that happens w/ recordio.  

In my log files, I'm beginning to see a distressing number of errors like
the one listed below:

a remote server connects, announces MAIL, RCPT TO, and DATA fine, then the
connection is dropped and a '451 error' code is logged.  In the example
below, this happened only 22 seconds after the previous entry.  This is
pretty representative of what's happening.

As I understand it, 451 is an internal error while processing a message,
and the default timeout for smtp sessions (timeoutsmtpd) is 1200 seconds.

Has anyone seen anything like this, and if so, could it be a configuration
error of some sort?  Or does it indicate either hardware or network
failure?

Thanks-

Dan


Mar 11 19:38:23 mx1 smtpd: 984357503.141262 13096 > 220 mx1.ny.otec.com
ESMTP?
Mar 11 19:38:23 mx1 smtpd: 984357503.216899 13096 < HELO
femail9.sdc1.sfba.home.com?
Mar 11 19:38:23 mx1 smtpd: 984357503.218213 13096 > 250 mx1.ny.otec.com?
Mar 11 19:38:23 mx1 smtpd: 984357503.414713 13096 < MAIL
FROM:<[EMAIL PROTECTED]>?
Mar 11 19:38:23 mx1 smtpd: 984357503.416019 13096 > 250 ok?
Mar 11 19:38:23 mx1 smtpd: 984357503.490315 13096 < RCPT
TO:<[EMAIL PROTECTED]>?
Mar 11 19:38:23 mx1 smtpd: 984357503.491628 13096 > 250 ok?
Mar 11 19:38:23 mx1 smtpd: 984357503.566791 13096 < DATA?
Mar 11 19:38:23 mx1 smtpd: 984357503.576821 13096 > 354 go ahead?
Mar 11 19:38:45 mx1 smtpd: 984357525.672773 12927 > 451 timeout (#4.4.2)?
Mar 11 19:38:45 mx1 smtpd: 984357525.673019 12927 > [EOF]



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