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List:       courier-users
Subject:    Re: [courier-users] freemail bofh setting not working for gmail.c	om
From:       Bowie Bailey <Bowie_Bailey () BUC ! com>
Date:       2006-06-29 13:00:49
Message-ID: 4766EEE585A6D311ADF500E018C154E302684BA8 () bnifex ! cis ! buc ! com
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Sam Varshavchik wrote:
> Derrick T. Woolworth writes:
> > Hi all,
> > 
> > I have an installation of Courier that is a "bit" old, and while
> > talking to serveral different mail servers, I'm getting messages
> > like:
> > 
> > 454 TLS not available
> > 
> > and then the message is deferred, forever. 
> > 
> > I have looked at the settings in esmtp-ssl and checked to make
> > sure the system's certificates are readable by Courier, among many
> > other things, but still I can't stop this message.   I have turned
> > off TLS completely - assuming that the mail server its talking to
> > would allow a non-TLS message to be delivered. 
> > 
> > Also, I have telneted on port 25 from this mail server to the
> > target mail server and had no issue in delivering e-mail to the
> > intended recipient.
> > 
> > Does anyone have experience with this error or have any advice on
> > where I should begin to look? 
> 
> Look at the moron you're sending mail to.  His mail server claims
> support for encrypted connection, yet when Courier calls his bluff,
> it vomits all over itself.  The error message you're seeing is the
> remote server croaking after it's ordered to begin encryption.

And the workaround for the problem is to tell Courier not to use
encryption for those domains.

Put a line like this in your esmtproutes file:

problemdomain.com: /SECURITY=NONE

I have accumulated quite a few of these.  Exchange is apparently a
frequent contributor to this problem.

Look for esmtproutes in the courier man page for more info.

-- 
Bowie

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