From owner-freebsd-questions Thu Mar 13 15:15:38 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id PAA26189 for questions-outgoing; Thu, 13 Mar 1997 15:15:38 -0800 (PST) Received: from thelab.hub.org (hal-ns1-19.netcom.ca [207.181.94.83]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id PAA26172; Thu, 13 Mar 1997 15:15:31 -0800 (PST) Received: from thelab.hub.org (localhost [127.0.0.1]) by thelab.hub.org (8.8.5/8.8.2) with SMTP id TAA00651; Thu, 13 Mar 1997 19:15:09 -0400 (AST) Date: Thu, 13 Mar 1997 19:15:09 -0400 (AST) From: The Hermit Hacker To: Angelo Turetta cc: "'freebsd-questions@freebsd.org'" , "'freebsd-isp@freebsd.org'" Subject: Re: Large mailing lists: mailer optimization In-Reply-To: <31EBCC36B676D01197E400801E0324953E90@STYLOSERVER> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Wed, 12 Mar 1997, Angelo Turetta wrote: > I remember a discussion (it was more than a year ago) about the > optimisation of the freebsd mailing lists. > > When using Majordomo as a list manager, you end up with a single message > being sent to all the users in the list. If some server is slow to > reply, sendmail takes forever to process the queue, because it cannot > proceed in parallel with the other recipients. > > There should be some tools to break the huge recipient lists into a > number of smaller ones, thus parallelizing a great deal of work. Too bad > I cannot remember any name.... > > Any pointers ? > Check the majordomo FAQ for the location, but there is a program called 'bulk_mailer' that does this. I breaks down the list into smaller lists sorted by domains, so that a queue makes a connection to the remove host, and just send all the email for that domain through at once... Using it here and it works beautifully...