From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Daniel Watts" Subject: Re: Sendmail Thrashing CPU Endlessly Date: Fri, 3 Oct 2003 16:07:35 +0100 Sender: linux-admin-owner@vger.kernel.org Message-ID: <021a01c389c0$17119420$0200a8c0@DansPC> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: Content-Type: text/plain; charset="us-ascii" To: Richard Nairn Cc: linux-admin@vger.kernel.org mailq has only this: ---------------------------------------- /var/spool/mqueue (1 request) ----Q-ID---- --Size-- -----Q-Time----- ------------Sender/Recipient--------- --- h92NEdi01184 263 Fri Oct 3 00:14 (Deferred: Connection timed out with microdata.mdnet.com.br.) ---------------------------------------- Although I am running a virtual diectory system with over 50 domains. There is no mailq program in /home/virtual/DOMAIN/usr/bin . >From the maillog I have these interesting lines: -------------------- named[24515]: client 80.67.173.196#2498: zone transfer 'trinity-oxford.com/IN' denied named[24515]: lame server resolving 'pidgeyou.com' (in 'pidgeyou.COM'?): 62.204.32.5#53 named[24515]: lame server resolving 'pidgeyou.com' (in 'pidgeyou.COM'?): 62.204.34.85#53 imapd[27258]: Command stream end of file, while reading line user=shanthi.vignasen@oriel-oxford.com host=localhost.localdomain [127.0.0.1] imapd[5191]: Login failed user= auth= host=localhost.localdomain [127.0.0.1] --------------------- I have an inkling that the last line might be the problem since I'm getting quite a lot of these (about 5-8 times as many as everything else). sendmail starts using as much of the CPU as it can as soon as it is started up. I kill it and a few minutes later it is back up and trashing away. Thanks for replying - your help is greatly appreciated! Daniel