Article delegate-en/2077 of [1-5169] on the server localhost:119
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[Reference:<_A2074@delegate-en.ML_>]
Newsgroups: mail-lists.delegate-en

[DeleGate-En] Re: Dg7.9.13 - Intermittent failure on SMTP proxy...
18 Jan 2003 08:49:51 GMT feedback@delegate.org (Yutaka Sato)


On 01/17/03(16:51) you "Brandon Kho" <pamdqbdyi-mnhipggos5jr.ml@ml.delegate.org> wrote
in <_A2074@delegate-en.ML_>
 |I am using delegate 7.9.13 on W2K Server to do proxying for SMTP and
 |POP. Intermittently I will have this error pop up:
 |
 |--log snip--
...
 |01/16 15:06:01.18 [2684] 514+1: [27] ConnectToServer connect failed
 |10.12.81.42:25 [1.05s] errno=10061
 |01/16 15:06:01.18 [2684] 514+1: ERROR: cannot connect to
 |smtp://10.12.81.42:25 - -1
 |01/16 15:06:01.18 [2684] 514+1: E-C: Can't connect: 220.136.12.31:1446
 |=> smtp://10.12.81.42 (refused)
...
 |--IP are scrambled - not real --
 |
 |I am not sure this error is caused by the my mail server or delegate
 |application. This happen when I perform load test of 50 concurrent
 |users. Appreciate your advice.

"connection refuse" occurs when the accept (listening) queue of the (mail)
server socket is full with waiting requests from clients trying to connect.
I suppose you will see the failure connecting directly from the testing client
to the server without DeleGate.

Cheers,
Yutaka
--
  @ @ Yutaka Sato <y.sato@delegate.org> http://www.delegate.org/y.sato/
 ( - ) National Institute of Advanced Industrial Science and Technology (AIST)
_<   >_ 1-1-4 Umezono, Tsukuba, Ibaraki, 305-8568 Japan
Do the more with the less -- B. Fuller

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