Date: Sun, 13 Jun 1999 23:51:32 +0200 (SAT) From: Khetan Gajjar <khetan@link.freebsd.os.org.za> To: Gary Palmer <Gary.Palmer@RCN.COM> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Sendmail Message-ID: <Pine.BSF.4.02A.9906132346400.26069-100000@pleb.cs.uct.ac.za> In-Reply-To: <32720.929294925@noop.colo.erols.net>
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On Sun, 13 Jun 1999, Gary Palmer wrote: >POP Before SMTP, Authenticated SMTP and limiting access to your own >netblocks are the only ``secure'' methods of denying >relaying. Unfortunately, authenticated SMTP (by far the best solution) >isn't all that widespread yet, and I don't know any freeware programs >that come with AuthSMTP built in. Sendmail doesn't have it yet, >although Eric says it will be in the next rev (I believe) Is it likely that you will ever see something like this built-in ? I ask because there are so many different POP3 servers (although by covering qpopper, cucipop and ipop3d, you'd probably cover at least 60% of them), and the functionality lies not in sendmail, but rather in an external program constantly evaluating pop connections and putting hosts in and removing hosts from a "allow relay" database. And of course, several Win32 clients are stupid and SEND first and then receive, and don't allow you to choose; resulting in your users whining; notably, M$-crap e-mail clients. Pegasus and Eudora work correctly, from what I remember. Does anyone know of any SMTP server or e-mail client that supports username+password pairs for SMTP relaying ? If that was the case, I'm sure it would be relatively easy to patch the authentication module to do lookups via Radius or LDAP. --- Khetan Gajjar (!kg1779) * khetan@iafrica.com ; khetan@os.org.za http://www.os.org.za/~khetan * Talk/Finger khetan@chain.freebsd.os.org.za FreeBSD enthusiast * http://www2.za.freebsd.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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