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List Archive: gentoo-security
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To: gentoo-security@g.o
From: David vasil <vasil@...>
Subject: Re: postfix and SASL
Date: Wed, 05 Oct 2005 09:17:12 -0400
Joe Strusz wrote:
> Whenever i telnet to port 25, and issue the AUTH PLAIN command i receive 
> this:
> 
> 538: Encryption required for requested authentication mechanism.
> 
> What does this mean?
> 
> I could really use some help on this... its been bugging me for weeks now.
> 
> Also, I do have smtpd_tls_auth_only = yes line
> 
> 
> Please help
> 
> blargh.
> 
> Your fellow befumbled gentoo user.

It means exactly what the error message says:

In order for your request to be accepted, you must first encrypt your 
data stream.

Postfix is only doing what you told it to do in main.cf with: 
smtpd_tls_auth_only = yes (only allow authentication for smtpd services 
when TLS is established).

-dave
-- 
gentoo-security@g.o mailing list


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Re: postfix and SASL
-- Joe Strusz
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Updated Jun 17, 2009

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