Re: [exim] Exim 4.82 RC1 uploaded

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Autor: Thomas Morper
Data:  
Para: exim-users
Asunto: Re: [exim] Exim 4.82 RC1 uploaded
On Thu, 26 Sep 2013, Todd Lyons wrote:

> I have uploaded Exim 4.82 RC1 to
> ftp://ftp.exim.org/pub/exim/exim4/test/
> Please report issues in reply to this email, on exim-users.


With 4.82 RC1 and the dovecot authenticator in PLAIN mode, Alpine
(which uses the UW IMAP C-client) fails at SMTP authentication.

A manual test revealed a tiny change in the SMTP dialogue.

Exim 4.80.1:

C: AUTH PLAIN
S: 334
C: <base64-string>
S: 235 Authentication succeeded

Exim 4.82 RC1:

C: AUTH PLAIN
S: 334 NULL
C: <base64-string>
S: 235 Authentication succeeded

Notice that the actual authentication succeeds in both cases. However,
RFC 4954 doesn't allow the non-empty 334-reply. The C-client is very
strict about this and immediately aborts the authentication attempt when
it sees the "NULL".

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