Date: Sun, 13 Dec 1998 15:30:45 +0800 (WST) From: Dean Hollister <dean@odyssey.apana.org.au> To: Rowan Crowe <rowan@sensation.net.au> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: sendmail morons Message-ID: <Pine.BSF.4.05.9812131529240.4741-100000@odyssey.apana.org.au> In-Reply-To: <Pine.BSF.4.01.9812131806310.4706-100000@velvet.sensation.net.au>
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On Sun, 13 Dec 1998, Rowan Crowe wrote: > If it's a machine performance issue then you could try limiting the number > of children: > > # maximum number of children we allow at one time > O MaxDaemonChildren=30 > > If it's for a major mail server then I would _not_ recommend this, as once > the limit is reached all connections to port 25 will be refused. I had a > play with this the other day when someone decided to forward 150Mb+ of > their email from work to their home account, and it was severely loading > the system. I would *not* recommend this. It would be better to configure the child process to exit if the IP is in its db. I vaguely recall something at www.sendmail.org about it. > Otherwise, you could ipfw deny the IP [range], or do it at a higher level > with sendmail as another poster suggested. Or even better, use smtpd. Then run tcp wrappers above it. Regards, d. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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