Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 16 Sep 1996 13:28:32 -0600 (MDT)
From:      Brandon Gillespie <brandon@glacier.cold.org>
To:        freebsd-questions@freebsd.org
Subject:   sendmail, majordomo and list servers, optimizing?
Message-ID:  <Pine.BSF.3.91.960916131126.7645B-100000@glacier.cold.org>

next in thread | raw e-mail | index | archive | help
Out of curiosity, does sendmail do any sort of delivery optimizing.  For
instance, if you use :include: on a list of addresses does it sort that
list, attempting to get all addresses in a certain domain in order, so it
can pass all of them off to a local system at once, or at the very least 
so it can deliver them over an already established route on or about the 
same time.

On a similar note, currently majordomo takes a secondary role in delivery,
acting more as a filter than anything.  I was thinking on a heavilly hit
list server (i.e. more than ~100 addresses per list and more than 1 post
every few seconds) it may be smarter to have a list server automatically
group the messages, holding off delivery a few seconds (depending upon the
load and ratio of addresses/hits) and hooking back to call sendmail. 

Is there any software that does this?  Some of the lists I manage have
upwards of 4,000 email addresses (fortunately they are not heavilly hit). 
I've hacked a program which sorts them by domain, but I think other
optimizations could be made.  Is there a newer version of Majordomo which
does this? 

And lastly, is there an option available to 'multi-plex' sendmail /
majordomo?  In order to get it to deliver more than one message at a time
(such as delivering the first 10-n messages at a time, handling multiple
sockets and forking appropriately).  This would slam a machine, but if its
a dedicated machine and you capped the max it would work on at a time I
dont see a problem with that--if the end result was faster delivery.

-Brandon Gillespie



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.91.960916131126.7645B-100000>