From owner-freebsd-questions@FreeBSD.ORG Fri Oct 30 12:05:31 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A984D106566C for ; Fri, 30 Oct 2009 12:05:31 +0000 (UTC) (envelope-from mail25@bzerk.org) Received: from ei.bzerk.org (tunnel490.ipv6.xs4all.nl [IPv6:2001:888:10:1ea::2]) by mx1.freebsd.org (Postfix) with ESMTP id 3DB5C8FC13 for ; Fri, 30 Oct 2009 12:05:31 +0000 (UTC) Received: from ei.bzerk.org (BOFH@localhost [127.0.0.1]) by ei.bzerk.org (8.14.2/8.14.2) with ESMTP id n9UC5RwQ028389; Fri, 30 Oct 2009 13:05:27 +0100 (CET) (envelope-from mail25@bzerk.org) Received: (from bulk@localhost) by ei.bzerk.org (8.14.2/8.14.2/Submit) id n9UC5Qve028388; Fri, 30 Oct 2009 13:05:26 +0100 (CET) (envelope-from mail25@bzerk.org) Date: Fri, 30 Oct 2009 13:05:26 +0100 From: Ruben de Groot To: Aflatoon Aflatooni Message-ID: <20091030120526.GA27566@ei.bzerk.org> Mail-Followup-To: Ruben de Groot , Aflatoon Aflatooni , freebsd-questions@freebsd.org References: <148565.58717.qm@web56207.mail.re3.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <148565.58717.qm@web56207.mail.re3.yahoo.com> User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on ei.bzerk.org X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0.1 (ei.bzerk.org [127.0.0.1]); Fri, 30 Oct 2009 13:05:30 +0100 (CET) Cc: freebsd-questions@freebsd.org Subject: Re: Sendmail SMTP server outgoing email rate X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Oct 2009 12:05:31 -0000 On Thu, Oct 29, 2009 at 09:50:06PM -0700, Aflatoon Aflatooni typed: > Hi, > Is there a way that I could configure sendmail so that I could control the rate of outgoing emails? > For example if there are 2 outbound emails destined for Yahoo.com server then they would be sent one connection at a time so that it is not flooding their server. > > Also, is there a limit on the incoming connection for sendmail? For incoming connections you are looking at the ratecontrol and conncontrol features, see /usr/share/sendmail/cf/README. For outgoing, I don't know. Why would you want to be so nice to the Yahoo.com server ;) They should rate-limit their server if they have a problem (and I bet they do this). There is a SINGLE_THREAD_DELIVERY option, but that's probably not what you want. cheers, Ruben