From owner-freebsd-questions@FreeBSD.ORG Sat Jun 10 20:04:28 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 40D0716A4C9 for ; Sat, 10 Jun 2006 20:04:28 +0000 (UTC) (envelope-from pauls@utdallas.edu) Received: from mail.stovebolt.com (mail.stovebolt.com [66.221.101.248]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3978044AA5 for ; Sat, 10 Jun 2006 18:56:31 +0000 (GMT) (envelope-from pauls@utdallas.edu) Received: from [192.168.2.101] (adsl-65-68-206-113.dsl.rcsntx.swbell.net [65.68.206.113]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.stovebolt.com (Postfix) with ESMTP id 0D1F3114307 for ; Sat, 10 Jun 2006 13:47:12 -0500 (CDT) Date: Sat, 10 Jun 2006 13:56:28 -0500 From: Paul Schmehl To: FreeBSD Questions Message-ID: In-Reply-To: <003f01c64467$27a96150$4e05a8c0@oramx> References: <003f01c64467$27a96150$4e05a8c0@oramx> X-Mailer: Mulberry/4.0.0 (Mac OS X) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=sha1; protocol="application/pkcs7-signature"; boundary="==========3F38BBCB476B0CA0B39D==========" X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: autoreply postfix 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: Sat, 10 Jun 2006 20:04:28 -0000 --==========3F38BBCB476B0CA0B39D========== Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline --On March 10, 2006 2:22:06 PM -0300 Rodrigo Mufalani=20 wrote: > Hi all, > > I want configure postfix autoreply, for undelivery mails > > If one user does not exists. > Every MTA already does this, *if* you mean reject the mail: telnet smtp.utdallas.edu 25 Trying 129.110.10.12... Connected to smtp.utdallas.edu. Escape character is '^]'. 220 smtp1.utdallas.edu ESMTP Postfix EHLO stovebolt.com 250-smtp1.utdallas.edu 250-PIPELINING 250-SIZE 157286400 250-VRFY 250-ETRN 250 8BITMIME MAIL FROM: testing@stovebolt.com 250 Ok RCPT TO: bogus@utdallas.edu 554 : Recipient address rejected: Access denied QUIT 221 Bye Connection closed by foreign host. If you mean, send an autoreply to the sender, as others have pointed out,=20 you do *NOT* want to do that. If you do, your server will get blacklisted=20 very quickly. Paul Schmehl (pauls@utdallas.edu) Adjunct Information Security Officer The University of Texas at Dallas http://www.utdallas.edu/ir/security/ --==========3F38BBCB476B0CA0B39D==========--