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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!cpk-news-hub1.bbnplanet.com!news.bbnplanet.com!worldnet.att.net!newsadm From: osas@worldnet.att.net (Tim White) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: sendmail rejecting connections Date: Tue, 08 Jul 1997 02:28:58 GMT Organization: AT&T WorldNet Services Lines: 26 Message-ID: <33c1a33a.355178005@netnews.worldnet.att.net> References: <5prgdf$do4$1@news.fsu.edu> NNTP-Posting-Host: 207.146.124.155 X-Newsreader: Forte Free Agent 1.1/16.230 Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:44065 On Mon, 07 Jul 97 19:36:33 GMT, astuy@bio.fsu.edu (Alexander Stuy) wrote: >I am running FreeBSD 2.1.6 on a Pentium100MHz w/ 32 Megs RAM. Sendmail will >run for two or three weeks usually and then will suddenly refuse to accept any >mail. The ps -axj command shows sendmail is still running but has the >"refusing connections" message next to it. There was some other part of the >message that seemed to indicate that some maximum number of something had been >reached. ps -auwwx will print out as many bytes per process as needed. > >What is the > > # open connection cache size > O ConnectionCacheSize=2 The Bat book says its used when processing the queue or delivering to a long list of recipients. By keeping a few smtp transport messages( in case another message is for the same destination ) improves outbound mail transfers. Could you be running up against load average issues? QueueLA and RefuseLA set the load average at which mail is queued and refused.