From owner-freebsd-questions@FreeBSD.ORG Sun Nov 21 01:59:44 2004 Return-Path: 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 8923616A4CE for ; Sun, 21 Nov 2004 01:59:44 +0000 (GMT) Received: from out005.verizon.net (out005pub.verizon.net [206.46.170.143]) by mx1.FreeBSD.org (Postfix) with ESMTP id E5BC243D48 for ; Sun, 21 Nov 2004 01:59:43 +0000 (GMT) (envelope-from acurtis@ieee.org) Received: from [192.168.1.102] ([151.203.35.35]) by out005.verizon.net (InterMail vM.5.01.06.06 201-253-122-130-106-20030910) with ESMTP id <20041121015943.YILD1496.out005.verizon.net@[192.168.1.102]> for ; Sat, 20 Nov 2004 19:59:43 -0600 Mime-Version: 1.0 (Apple Message framework v619) Content-Transfer-Encoding: 7bit Message-Id: <00BB2D22-3B61-11D9-BB97-000A958FBA16@ieee.org> Content-Type: text/plain; charset=US-ASCII; format=flowed To: freebsd-questions@freebsd.org From: Alan Curtis Date: Sat, 20 Nov 2004 20:59:39 -0500 X-Mailer: Apple Mail (2.619) X-Authentication-Info: Submitted using SMTP AUTH at out005.verizon.net from [151.203.35.35] at Sat, 20 Nov 2004 19:59:43 -0600 Subject: Sendmail, simple mail list problem X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Nov 2004 01:59:44 -0000 I have set up sendmail to use my ISP outgoing mail server as a relay for mail from my server using the instructions I found here http://www.leo.org/~barner/freebsd/articles/mailsetup/article.html I use dyndns so that everyone can find myserver (as myserver.dyndns.net). I can send and receive mail on my server. I am also using a simple mailing list with about 15 subscribers that I set up using a mail alias (i.e. with the line 'mylist: : include:/usr/home/alan/lists/mylist.txt') I can send mail to anyone on the list by sending mail to mylist@myserver.dyndns.net from any of my email accounts and from my account at my ISP (call it myaccount@myISP.com). Other users have also successfully sent mail to the list. However, a subset of the users also use my ISP and their mail to the list gets bounced by the ISP server. The error message in the bounced email is 553 You are not authorized to send mail as 501 5.6.0 Data format error So and can send mail to the list but not . Any suggestions on how to fix this? Thanks Alan