Date: Fri, 01 Sep 2006 15:59:27 -0600 From: Steve Suhre <tech@nano.net> To: freebsd-hackers@freebsd.org Subject: Re: sendmail Message-ID: <44F8AD3F.9070900@nano.net> In-Reply-To: <20060901213455.GC749@turion.vk2pj.dyndns.org> References: <44F8A238.3080001@nano.net> <20060901213455.GC749@turion.vk2pj.dyndns.org>
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The domain is resolvable. It's a local domain, that's why the server rejects the message. It can see that the username doesn't exist and dumps the connection right away. Here's an example, the mail never gets sent. "woohoo.com" is the local domain: Fri Sep 01 17:00:35 GMT+00:00 2006Opening connection to MailServer Fri Sep 01 17:00:35 GMT+00:00 2006 Sending Mail message Fri Sep 01 17:00:35 GMT+00:00 2006SMTP msg sent:HELO napserver.DBTDNS Fri Sep 01 17:00:35 GMT+00:00 2006SMTP response220 mail.domain.com ESMTP Sendmail 8.12.10/8.12.10; Fri, 1 Sep 2006 10:59:12 -0600 (MDT) Fri Sep 01 17:00:35 GMT+00:00 2006SMTP msg sent:MAIL FROM: name5612@woohoo.com Fri Sep 01 17:00:35 GMT+00:00 2006SMTP response250 mail.domain.com Hello 123-45-67-150.woohoo.com [123.45.67.150] (may be forged), pleased to meet you Fri Sep 01 17:00:35 GMT+00:00 2006SMTP msg sent:RCPT TO: kripton@hoowoo.com Fri Sep 01 17:00:35 GMT+00:00 2006SMTP response553 5.3.0 name5612@woohoo.com... User Unknown Fri Sep 01 17:00:35 GMT+00:00 2006SMTP msg sent:DATA Fri Sep 01 17:00:35 GMT+00:00 2006SMTP response503 5.0.0 Need MAIL before RCPT Fri Sep 01 17:00:35 GMT+00:00 2006SMTP response503 5.0.0 Need MAIL command Peter Jeremy wrote: >On Fri, 2006-Sep-01 15:12:24 -0600, Steve Suhre wrote: > > >>somewhere. Mail "FROM" is not an effective spam defense and I have it >> >> > >Every little bit helps. > > > >>so I want to shut off the "MAIL FROM" test in >>sendmail. I have a client who sends out email alerts using the server >>and uses a random invalid return address for each alert. Sendmail is >>rejecting the messages based on the From field. >> >> > >Have you tried: >FEATURE(`accept_unresolvable_domains') > > > -- Steve Suhre steve@pasta.net 719.439.6052 Cell 719.632.2897 Home 719.634.8161 Work
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