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Date:      Tue, 19 Oct 2004 12:12:21 -0400
From:      John DeStefano <john.destefano@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   configuring sendmail for relaying mail form data
Message-ID:  <f2160e0d04101909125ac04e81@mail.gmail.com>

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I'm trying to use a PHP form mail script
(http://www.leveltendesign.com/L10Apps/Fm/) to process data submitted
by a Web mail form.

The installation test completed successfully, and I moved the PHP file
into my Web site.  Now, when I click the submit button, I'm brought to
the 'success' page, but an email is never received. This was also the
case during the initial test, but I was brought to the default success
page.

The mail queue is holding these messages with the fillowing error:

Deferred: 450 <www@<host>.<domain>.com>: Sender address rejected:
Domain not found

The FreeBSD guide's Troubleshooting section points to the Sendmail FAQ
for more information.  The Sendmail FAQ on this topic contains a cycle
of links, but I get the idea that I need to configure sendmail to
route messages via my ISP's SMTP gateway, and that I need to define a
"smart host".

The most relevent FAQ entries I could find were:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/mail-trouble.html#Q22.5.4.
http://www.sendmail.org/faq/section3.html#3.22

So I added the following to /etc/mail/freebsd.mc:
FEATURE(`accept_unresolvable_domains')dnl
FEATURE(`accept_unqualified_senders')dnl

I also created /etc/mail/relay-domains and inserted every possible
variation of domains I could think of.

I then restarted sendmail ('cd /etc/mail && make restart') and tried
the form again, but mailq showed the same 450 error.

I added the following to /etc/mail/freebsd.mc:
define('SMART_HOST', `smtp-server.rochester.rr.com')dnl

After a restart, mailq gave the same error.

Any thoughts on how to resolve this, or what I'm doing wrong?

Thanks.
~John



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