-- Am 03/21/16 21:23:12 +0100 schrieb Heiko Schlittermann:
> Hi,
>
> (please no CC offlist, I'm here.)
sorry for that.
> Michael Fischer v. Mollard <lists@???> (Mo 21 Mär 2016
> 18:03:49 CET):
>
> Do you have any traces of the delivery attempt of 29077/29079 from
> the remote site? Did the mail get through twice?
>
> Can you use a `strace -p` on the delivery and on the transport process
> next time?
other PIDs, but same situation:
# strace -p 18619
Process 18619 attached
select(8, [7], NULL, NULL, {17, 252791}) = 0 (Timeout)
wait4(-1, 0x7ffe6b2aef8c, WNOHANG, NULL) = 0
select(8, [7], NULL, NULL, {60, 0}) = 0 (Timeout)
wait4(-1, 0x7ffe6b2aef8c, WNOHANG, NULL) = 0
select(8, [7], NULL, NULL, {60, 0}) = 0 (Timeout)
wait4(-1, 0x7ffe6b2aef8c, WNOHANG, NULL) = 0
select(8, [7], NULL, NULL, {60, 0}^CProcess 18619 detached
<detached ...>
with
exim4 18619 root 0u CHR 1,3 0t0
1034 /dev/null
exim4 18619 root 1u CHR 1,3 0t0
1034 /dev/null
exim4 18619 root 2u CHR 1,3 0t0
1034 /dev/null
exim4 18619 root 3r CHR 1,9 0t0
1039 /dev/urandom
exim4 18619 root 4uw REG 253,0 134167
1795 /var/spool/exim4/input/1aiHUQ-0004q8-Lq-D
exim4 18619 root 5w REG 253,0 176
1649 /var/spool/exim4/msglog/1aiHUQ-0004q8-Lq
exim4 18619 root 6w REG 253,0 0
1827 /var/spool/exim4/input/1aiHUQ-0004q8-Lq-J
exim4 18619 root 7r FIFO 0,8 0t0
98772157 pipe
and
# strace -p 18622
Process 18622 attached
recvfrom(7, ^CProcess 18622 detached
<detached ...>
with no changes waiting for tcp traffic:
exim4 18622 Debian-exim 0u CHR 1,3 0t0
1034 /dev/null
exim4 18622 Debian-exim 1u CHR 1,3 0t0
1034 /dev/null
exim4 18622 Debian-exim 2u CHR 1,3 0t0
1034 /dev/null
exim4 18622 Debian-exim 3r CHR 1,9 0t0
1039 /dev/urandom
exim4 18622 Debian-exim 4u REG 253,0 134167
1795 /var/spool/exim4/input/1aiHUQ-0004q8-Lq-D
exim4 18622 Debian-exim 5w REG 253,0 176
1649 /var/spool/exim4/msglog/1aiHUQ-0004q8-Lq
exim4 18622 Debian-exim 6w REG 253,0 0
1827 /var/spool/exim4/input/1aiHUQ-0004q8-Lq-J
exim4 18622 Debian-exim 7u IPv4 98772160 0t0
TCP XXXX:41992->YYYY:smtp (ESTABLISHED)
exim4 18622 Debian-exim 8w FIFO 0,8 0t0
98772157 pipe
> I'm asking this, because some time ago we observed communication
> problems between the smtp transport process and its parent (here 29079
> talking back to 29077). If I remember well, the trigger were a long list
> of recipients plus some lengthy TLS information.
>
> I think, for us it resulted in crashing deliveries, but I can imagine
> hanging deliveries too.
TLS might be a good point. On the receiving side is see a bunch off
30977 handling TLS incoming connection from XXX
so I'll try to disable TLS between the external and internal gateways. I'll
post whether this changed the situation.
Regards
Michael