Date: Thu, 30 Jan 1997 20:20:10 -0600 From: Allen Hyer <allenh@wtrt.net> To: Jim Shankland <jas@flyingfox.COM>, freebsd-isp@FreeBSD.ORG Subject: Re: Simple sendmail question Message-ID: <3.0.1.32.19970130202010.0072b4bc@wtrt.net> In-Reply-To: <199701310128.RAA18024@saguaro.flyingfox.com>
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At 05:28 PM 1/30/97 -0800, Jim Shankland wrote: >> Email is working ok on my server. I have one question/problem. >> When someone sends mail to a nonexistant address, I get the >> famous "config error: mail loops back to me" error message. >> Mail to/from valid addresses work fine. Is this normal? Or, is >> there something in the config file that needs tweaking? > >You're using a wildcard MX, right? So if someone sends mail >to foobarola.wtrt.net, it ends up on your mail host. But your >mail host tries to deliver to foobarola.wtrt.net, which doesn't >really exist, so it falls back to the wildcard MX, and tries >to deliver to itself, and barfs. > >Solution: Either lose the wildcard MX (my personal preference), >or make sendmail on your mail server strip off any host stuff >to the left of wtrt.net before processing, so that, e.g., >"joebob@foobarola.wtrt.net" gets rewritten to "joebob@wtrt.net" >before it attempts delivery. Yep. You're right. I did have a wildcard MX record. Notice the past tense. It has been removed, and it fixed the problem. I didn't need it, not sure why I had it, but it's gone now. Thanks for you help, Allen Hyer System Administrator West Texas Rural Telephone
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