From owner-freebsd-stable Mon Jun 1 15:35:28 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA26449 for freebsd-stable-outgoing; Mon, 1 Jun 1998 15:35:28 -0700 (PDT) (envelope-from owner-freebsd-stable@FreeBSD.ORG) Received: from freebie.dcfinc.com (freebie.dcfinc.com [138.113.2.8]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA26418 for ; Mon, 1 Jun 1998 15:35:14 -0700 (PDT) (envelope-from chad@freebie.dcfinc.com) Received: (from chad@localhost) by freebie.dcfinc.com (8.8.7/8.8.3a) id PAA19218; Mon, 1 Jun 1998 15:32:06 -0700 (MST) From: "Chad R. Larson" Message-Id: <199806012232.PAA19218@freebie.dcfinc.com> Subject: Re: NATD, Intermittent Problems. To: stuart@internationalschool.co.uk (Stuart Henderson) Date: Mon, 1 Jun 1998 15:32:06 -0700 (MST) Cc: damascus@eden.rutgers.edu, freebsd-stable@FreeBSD.ORG In-Reply-To: <35726A88.7338B96D@internationalschool.co.uk> from Stuart Henderson at "Jun 1, 98 09:47:04 am" Reply-to: chad@dcfinc.com X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Carroll Kong wrote: > > > > some mailing lists, it will say "thisemail@addr.com was not accept by > > your SMTP Server, change the recipient name." Okay... I am a bit fuzzy > > on natd... I thought it forwarded everything all fine and dandy. But I > > can RECEIVE mail, but I cannot SEND mail from the other computers. Many ISP's check the system name in the SMTP header against the name they get doing a reverse lookup on the IP address of the sender. They need to match. You need to make sure the sendmail on your NAT box is rewriting the headers generated by the systems behind the NAT. Sendmail calls this "masquerading", and you set it up by defining the 'M' macro in your sendmail.cf file. -crl -- Chad R. Larson (CRL22) Brother, can you paradigm? 602-953-1392 chad@dcfinc.com chad@anasazi.com larson1@home.com DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message