It looks like 1.8e is dropping emails each time this happens.  This is
how my /spool filled up before leading to overall delivery delays.

Sep 26 18:39:26 bugs sendmail[31966]: g8QK7xdC031966: lost input channel
from bugs.systems.wvu.edu [157.182.232.209] to MTA after rcpt
Sep 26 18:41:31 bugs sendmail[45148]: g8QMd6bm045148: lost input channel
from bugs.systems.wvu.edu [157.182.232.209] to MTA after rcpt
Sep 26 18:44:41 bugs sendmail[31862]: g8QMfBbs031862: lost input channel
from bugs.systems.wvu.edu [157.182.232.209] to MTA after rcpt

:/home/listserv/spool>ls -l

-
-rw-r--r--   1 listserv staff       7359 Sep 26 18:38 100250.mail
-rw-r--r--   1 listserv staff       5187 Sep 26 18:39 100253.mail
-rw-r--r--   1 listserv staff       4979 Sep 26 18:43 100259.mail
-rw-r--r--   1 listserv staff          6 Sep 26 16:03 listserv.PID


Valdis Kletnieks wrote:

>On Thu, 26 Sep 2002 11:56:15 EDT, Patrick Price <[log in to unmask]>  said:
>
>
>>Should I be concerned about these?
>>
>>Sep 26 11:50:59 bugs sendmail[34894]: g8QFndhQ034894: lost input channel
>>from loopback [127.0.0.1] to MTA after rcpt
>>
>>
>
>Aha.
>
>These are probably the *OTHER* end of the listserv-sendmail connection
>going away after the 'resource temporarily unavailable' error.  The fact
>that the number of hits *increased* when you tweaked SMTP_FORWARD_1 indicates
>that whatever is happening is doing so at a fairly low level.
>
>I admit being at a loss for what resource could run out after the RCPT TO:,
>but I'm feeling pretty confident that the problem is that the LSV side starts
>sending the mail, gets into the RCPT TO phase, runs out of "something",
>and closes the connection.  Lather, rinse, repeat.
>
>Could you take one of those queue id's ( g8QFrghQ031672 for example) and
>grep for *all* occurences in your sendmail log?  I'm curious about how many
>recipients were listed, and exactly how far (and how fast) it got to the
>point it died...
>--
>                                Valdis Kletnieks
>                                Computer Systems Senior Engineer
>                                Virginia Tech
>
>