Date: Mon, 28 May 2001 12:31:23 +1000 From: Tony Landells <ahl@austclear.com.au> To: "Lim Seng Chor" <Lim.Seng.Chor@sit.edu.my> Cc: "Matthew Emmerton" <matt@gsicomp.on.ca>, questions@FreeBSD.ORG Subject: Re: open ports Message-ID: <200105280231.MAA10885@tungsten.austclear.com.au> In-Reply-To: Message from "Lim Seng Chor" <Lim.Seng.Chor@sit.edu.my> of "Mon, 28 May 2001 10:30:07 %2B0800." <3B1225F8.2397.CD2C511@localhost>
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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 <ahl@austclear.com.au> 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
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