Re: start multiple sendmail daemons from rc.conf?
From: Charles Swiger (cswiger_at_mac.com)
Date: 11/25/03
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Date: Tue, 25 Nov 2003 13:30:11 -0500 To: bv@wjv.com
On Nov 25, 2003, at 12:56 PM, Bill Vermillion wrote:
>> Is it possible to start multiple sendmail daemons (using -C
>> /different/cf) from rc.conf?
>
> Will this give a different perfomance than the way Sendmail forks
> and runs children. I had 186 sendmail instances running last week
> during a big flood of incoming mail.
>
> I'm curious on this point - and will having multiple daemons
> improve performance?
To an extent; one way that multiple sendmail daemons could help is by
configuring "queue groups", which is a mechanism for splitting outgoing
mail into different spools-- each being processed by its own daemon--
based on the recipient's domain.
It's most useful for destination domains which you send a lot of mail
to and which are somewhat unreliable (ie, their SMTP servers aren't
always accepting mail).
On the other hand, too many sendmail processes can thrash the system...
-- -Chuck _______________________________________________ freebsd-isp@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-isp To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org"
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