[exim] Broken client... HELO and AUTH...

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Author: Marco Gaiarin
Date:  
To: exim-users
Subject: [exim] Broken client... HELO and AUTH...

I need to let a 'broken' client (a termoscanner device, very badly
engineered) to my internal exim server.

Trying to use plain SMTP lead to:

    8 5.098632781   10.5.1.160 ??? 10.5.1.3     SMTP 82 C: HELO Localhost
   [...]
   14 5.101334018   10.5.1.160 ??? 10.5.1.3     SMTP 78 C: AUTH LOGIN
   15 5.101506616     10.5.1.3 ??? 10.5.1.160   SMTP 109 S: 503 AUTH command used when not advertised


Googling a bit around i've found that it is a know 'broken' behaviour,
client will have to use EHLO and not HELO.

Anyway, i've added in:

    acl_smtp_connect:


a new ACL:

  accept
    hosts = 10.5.1.160
    control = allow_auth_unadvertised


but still i get the same result. ;-(


Really, i don't need auth, but seems the broken client issue an 'AUTH
LOGIN', so if there's a way to 'ignore and accept' every auth connection by
a broken client, will be useful too.

Thanks.

-- 
  Mentre il cuore d'Italia, da Palermo ad Aosta
  si gonfiava in un coro di vibrante protesta        (F. De Andre`)