From owner-freebsd-isp Sun May 3 12:51:38 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA14305 for freebsd-isp-outgoing; Sun, 3 May 1998 12:51:38 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from stingray.ivision.co.uk (stingray.ivision.co.uk [195.50.91.40]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id MAA14300 for ; Sun, 3 May 1998 12:51:35 -0700 (PDT) (envelope-from manar@ivision.co.uk) Received: from pretender.ivision.co.uk [194.112.53.137] by stingray.ivision.co.uk with smtp (Exim 1.62 #2) id 0yW4nM-0002dM-00; Sun, 3 May 1998 20:51:33 +0100 Message-Id: <3.0.5.32.19980503205033.00923890@stingray.ivision.co.uk> X-Sender: manarpop@stingray.ivision.co.uk X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Sun, 03 May 1998 20:50:33 +0100 To: "freebsd-isp@FreeBSD.ORG" From: Manar Hussain Subject: Re: SMTP vs Spam In-Reply-To: References: <3.0.5.32.19980502210212.008f63f0@stingray.ivision.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At 12:18 03/05/98 -0600, Atipa wrote: >Install your smtp w/ tcp wrappers or xinetd, so that it will only relay >for allowed hosts. Works fine for me, using both IMAP and POP. I use qmail >for smtp and sendmail and local delivery, and it works great. Err - great. The difficulty is when you want to let a customer who you host a domain/web/mail for to be able to send mail via you (their ISP may block mails with from lines of their domain that you host) and where this customer uses dial-up and gets a different IP address each time. Being able to dynamically add to a list of machines allowed to relay based on those hosts that make a successful pop connection is the neat idea. Then restricting mail relaying to such a list is the easy bit ... Manar To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message