From owner-freebsd-questions Sun May 27 19:31:31 2001 Delivered-To: freebsd-questions@freebsd.org Received: from nameserver.austclear.com.au (nameserver.austclear.com.au [192.83.119.132]) by hub.freebsd.org (Postfix) with ESMTP id 921FE37B42C for ; Sun, 27 May 2001 19:31:25 -0700 (PDT) (envelope-from ahl@austclear.com.au) Received: from tungsten.austclear.com.au (tungsten.austclear.com.au [192.168.70.1]) by nameserver.austclear.com.au (8.9.3/8.9.3) with ESMTP id MAA84128; Mon, 28 May 2001 12:31:23 +1000 (EST) Received: from tungsten (tungsten [192.168.70.1]) by tungsten.austclear.com.au (8.9.3/8.9.3) with ESMTP id MAA10885; Mon, 28 May 2001 12:31:23 +1000 (EST) Message-Id: <200105280231.MAA10885@tungsten.austclear.com.au> X-Mailer: exmh version 2.1.1 10/15/1999 To: "Lim Seng Chor" Cc: "Matthew Emmerton" , questions@FreeBSD.ORG Subject: Re: open ports In-Reply-To: Message from "Lim Seng Chor" of "Mon, 28 May 2001 10:30:07 +0800." <3B1225F8.2397.CD2C511@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 28 May 2001 12:31:23 +1000 From: Tony Landells Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Lim.Seng.Chor@sit.edu.my said: > matt@gsicomp.on.ca said: >> Yes. Sendmail listens on port 587 for mail connections, just as it >> does on port 25. Port 587 is supposed to be used for communications >> between mail servers (ie relaying) and port 25 is supposed to be used >> for communications with clients. Actually, that's reversed. Port 25 is for SMTP (communications between MTAs), and port 587 is for MSA (Message Submission Agent) to MTA. > Is there anyway to ask sendmail not to bind to port 587? but just > port 25? Yes. In your sendmail.mc use FEATURE(no_default_msa). Alternatively, find the line in your sendmail.cf that has: O DaemonPortOptions=Port=587, Name=MSA, M=E and comment it out: # O DaemonPortOptions=Port=587, Name=MSA, M=E Tony -- Tony Landells Senior Network Engineer Ph: +61 3 9677 9319 Australian Clearing Services Pty Ltd Fax: +61 3 9677 9355 Level 4, Rialto North Tower 525 Collins Street Melbourne VIC 3000 Australia To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message