I do have this problem b4 with my RedHat 6.2 and sendmail-8.9.3-20.
is really took 30 sec for connection...
But I dunno whether it is helpful for u???
Anyway, what I did is just change parameter in sendmail.cf as below:
from
O Timeout.ident=30s
to
O Timeout.ident=0s
It solved my problem, hope it will work for u too, :-)...
rdgs,
gary
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: "Holger Greindl" <[EMAIL PROTECTED]>
Sent: Wednesday, January 10, 2001 7:39 PM
Subject: smtp-connect delays about 30 seconds
> Hi,
>
> sorry if this kind of problem has been posted before, but I didn't know
> right how to find the right solution and it is urgent.
>
> I have RH6.2 running as mailserver with Exim 3.20 as MTA. The system is
located
> in front of a firewall which translates our internal IP-addresses into one
official one.
> The mailserves has also an official IP and uses the DNS server of our
provider for
> address-resolution.
>
> The problem: Everytime a user wants to send mail it takes about 30 seconds
to get
> a smtp-connection from the the (NT-)workstations to the mailserver.
According to
> the Exim log-file there is no problem but when I run tcpdump on the
machine
> I found a strange delay and I not even know what happens there :-(((
>
> Further down comes the output of tcpdump - apollo is the mailserver, fwint
the firewall.
> I'd appreciate any help. I am really blank how I shpuld get rid of this
delay and
> the people getting angry...
>
> Best regards,
> Michael
>
> tcpdump: listening on eth0
> 14:37:11.263039 FwInt.klumpp.de.61333 > apollo.klumpp.de.smtp:
> S1417123735:1417123735(0) win 32120 <mss 1460,sackOK,timestamp
> 86409152[|tcp]> (DF) (ttl 63, id 8916)
> 14:37:11.263136 apollo.klumpp.de.smtp > FwInt.klumpp.de.61333:
> S2295099218:2295099218(0) ack 1417123736 win 30660 <mss
> 1460,nop,nop,sackOK,nop,wscale 0> (DF) (ttl 64, id 30710)
> 14:37:11.264309 FwInt.klumpp.de.61333 > apollo.klumpp.de.smtp:
> . ack 1 win 32120 (DF) (ttl 63, id 8917)
> 14:37:16.258483 arp who-has apollo.klumpp.de tell FwInt.klumpp.de
> 14:37:16.258526 arp reply apollo.klumpp.de is-at 0:0:1c:b5:b3:bc
> 14:37:41.265312 apollo.klumpp.de.1296 > dns1.riodata.de.domain:
> 18237+ (47) (ttl 64, id 30719)
> 14:37:41.268503 apollo.klumpp.de.1297 > dns1.riodata.de.domain:
> 18497+ (43) (ttl 64, id 30720)
> 14:37:41.424769 dns1.riodata.de.domain > apollo.klumpp.de.1298:
> 18239 NXDomain* q: 51.146.16.62. 0/1/0 (130) (ttl 24, id38492)
> 14:37:41.425528 apollo.klumpp.de.smtp > FwInt.klumpp.de.61333:
> P1:74(73) ack 1 win 32120 (DF) (ttl 64, id 30723)
> 14:37:41.426845 FwInt.klumpp.de.61333 > apollo.klumpp.de.smtp:
> . ack 74 win 32120 (DF) (ttl 63, id 8918)
>
>
>
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