[exim] exim confused by unexpected multiline response

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Autor: Heiko Schlittermann
Data:  
A: exim-users
Assumpte: [exim] exim confused by unexpected multiline response
Hello out there,

during sender verification we experience some strange behaviour:

using "NC"
    220 trans4mation.de ESMTP
    EHLO HELO ssl.schlittermann.de
    250-trans4mation.de
    250-STARTTLS
    250-PIPELINING
    250-8BITMIME
    250 AUTH LOGIN PLAIN CRAM-MD5
    MAIL FROM:<>   
    250 ok
    RCPT TO:<ssl.schlittermann.de-1182787991-testing@???>
    550 Die Mail box w�de nicht gefunden auf diesem Smtp-Server:
     @Hilfe-> admin@???(#5.1.1)
    quit
    221 trans4mation.de


unsing exims debug mode (via exiacl)

    ...
    >>> callout cache: disabled by no_cache
    >>> interface=212.80.235.130 port=25
    >>> Connecting to mail.rolfleubeundpartner.de [212.227.85.215]:25 from 212.80.235.130 ... connected
    >>>   SMTP<< 220 trans4mation.de ESMTP
    >>>   SMTP>> HELO ssl.schlittermann.de
    >>>   SMTP<< 250 trans4mation.de
    >>>   SMTP>> MAIL FROM:<>
    >>>   SMTP<< 250 ok
    >>>   SMTP>> RCPT TO:<ssl.schlittermann.de-1182787991-testing@???>
    >>>   SMTP<< 
    >>>   SMTP>> RSET
    >>>   SMTP<<  @Hilfe-> admin@???(#5.1.1)
    >>>   SMTP>> QUIT
    >>> ----------- end verify ------------
    >>> accept: condition test deferred
    >>> require: condition test deferred



Following this dialog our side (exim 4.63) stops any further action and
doesn't check the real sender in question.

Two items I see:

    - there's is a German Umlaut in the 550 line.
    - The 550 line looks like 2 lines


I'm interested in suggestions / proposals. Imagine that we can't fix the
remote server (because they are qmail people and convinced of doing
everything the right way ...)

(Switching off the 'random' during sender verify is the only solution I
see w/o hacking exim.)


    Best regards from Dresden
    Viele Grüße aus Dresden
    Heiko Schlittermann
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