From owner-freebsd-questions Mon Jan 8 23:56:22 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mailhost01.reflexnet.net (mailhost01.reflexnet.net [64.6.192.82]) by hub.freebsd.org (Postfix) with ESMTP id C507137B400 for ; Mon, 8 Jan 2001 23:56:05 -0800 (PST) Received: from rfx-64-6-211-149.users.reflexcom.com ([64.6.211.149]) by mailhost01.reflexnet.net with Microsoft SMTPSVC(5.5.1877.197.19); Mon, 8 Jan 2001 23:54:20 -0800 Received: (from cjc@localhost) by rfx-64-6-211-149.users.reflexcom.com (8.11.0/8.11.0) id f097u1J83837; Mon, 8 Jan 2001 23:56:01 -0800 (PST) (envelope-from cjc) Date: Mon, 8 Jan 2001 23:56:01 -0800 From: "Crist J. Clark" To: blaz Cc: freebsd-questions@FreeBSD.ORG Subject: Re: port 587 Message-ID: <20010108235601.L95729@rfx-64-6-211-149.users.reflexco> Reply-To: cjclark@alum.mit.edu References: <3A5AA10F.9E799FBC@satx.rr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <3A5AA10F.9E799FBC@satx.rr.com>; from blaz@satx.rr.com on Mon, Jan 08, 2001 at 11:26:39PM -0600 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, Jan 08, 2001 at 11:26:39PM -0600, blaz wrote: > greetings, > > when doing a netstat -a| grep LISTEN, I obtain the following: > > Port State Service > 22/tcp open ssh > 25/tcp open smtp > 110/tcp open pop-3 > 587/tcp open submission > > > what the hell is 587? and do I need it? EMail "submission." You might not need it now, but perhaps someday mail clients will submit there. See the release notes for your sendmail for details. The basic idea is that email clients should not really be using the same port for submitting mail that MTAs use to transfer between sites. Have a look at sockstat(1) to convince yourself it is sendmail. -- Crist J. Clark cjclark@alum.mit.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message