From owner-freebsd-questions Fri Feb 10 18:31:52 1995 Return-Path: questions-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id SAA20861 for questions-outgoing; Fri, 10 Feb 1995 18:31:52 -0800 Received: from haven.uniserve.com (haven.uniserve.com [198.53.215.121]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id SAA20854 for ; Fri, 10 Feb 1995 18:31:43 -0800 Received: by haven.uniserve.com id <780>; Fri, 10 Feb 1995 18:37:50 -0800 Date: Fri, 10 Feb 1995 18:37:35 -0800 (PST) From: Tom Samplonius To: Bill Allison cc: "Jonathan M. Bresler" , freebsd-questions@FreeBSD.org Subject: Re: Sendmail question In-Reply-To: <199502110108.QAA07224@ifc.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: questions-owner@FreeBSD.org Precedence: bulk On Fri, 10 Feb 1995, Bill Allison wrote: > Also, I have remotely heard of a product called Zmailer. (someone else > responded with "Ever hear of a product called Zmailer") I had heard the > name, but know nothing about it. > > I was mainly worried about sendmail bringing our system to its knees if we > queued 1,000 50K messages at once... How does sendmail handle this? Does > it go sequentially through an alias :include file, processing messages one > at a time, or can it initiate multiple simultaneous connections? Zmailer is based on a three process model: a router, a scheduler, and a smtpserver. The scheduler gives you very tight control over how messages are delivered by limiting the number of simultaneous tranports etc. However, Zmailer is not the most well documented system around, but anything is better than sendmail.cf. Tom