Date: Sat, 28 Dec 2002 12:39:30 -0600 From: Len Conrad <LConrad@Go2France.com> To: freebsd-questions@freebsd.org Subject: Re: What are the SMTP rules for sending mail to FreeBSD Message-ID: <5.1.1.6.2.20021228123532.01f79ea8@mail.go2france.com> In-Reply-To: <20021228092324.A9654@citusc.usc.edu> References: <3E0DACCB.5090402@quadtelecom.com> <3E0DACCB.5090402@quadtelecom.com>
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> > _450_Client_host_rejected:_cannot_find_your_hostname,_[66.45.116.138] > > > >Your mail server is identifying itself as [66.45.116.138] instead of a >host with (valid) forward DNS records (hosts that do this are blocked >as a -- very effective -- anti-spam measure). Fix your mail server to >identify itself as gatehouse.quadtelecom.com and you should get past >this filter. "hostname" is postfix jargon for HELO hostname, so are you saying he must correct his helo hostname? Unfortunately, postfix also uses the same phrase "cannot find your hostname" for the reject_unknown_client rejection of the envelope @sender.domain, where ip sending to postfix does not have matching PTR and A records. Len To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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