Date: Sat, 9 Jan 1999 04:42:40 -0500 (EST) From: Barrett Richardson <ratbert@phoenix.aye.net> To: Karl Pielorz <kpielorz@tdx.co.uk> Cc: isp@FreeBSD.ORG Subject: Re: Cucipop & Sendmail - locking problems? Message-ID: <Pine.BSF.3.96.990109041820.13445A-100000@phoenix.aye.net> In-Reply-To: <369710D3.7737636C@tdx.co.uk>
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On Sat, 9 Jan 1999, Karl Pielorz wrote: [snippity] > > They receive a lot of mail via POP3 (typically lots of Mb's). If they're > online receiving mail (via Cucipop) and mail.local runs to deliver mail to > their spool file, the system seems to hit a deadlock... > > The mail doesn't get delivered (The mail.local process gets caught in > "LOCKF"), and Cucipop never quits properly - and is left hanging around for > ever in "LOCKF" state. > [snippity] If you've ever had a chance to gander through info about mbox format in the qmail distribution you'll find this is a criticism the author had of a mail system that uses the mbox format. Using the Maildir format each message is placed in an individual file. New messages are placed in Maildir/new, if they are read but left on the server by the pop client they are migrated to Maildir/cur (there is also a Maildir/tmp, but I can't remeber what it's for). This has saved us much grief. We were using a pop server that copied the mbox to a popdrop file when users checked their messages. Trouble was some users had their popclients leave the mail on the server and then set it to check for new mail once a minute -- and they had mail files that were sometimes 40 meg -- our server was getting beat to death. > > -Kp > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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