[horde] imp don't display some messages inline

[Andreas Schulze]

Zitat von Michael M Slusarz <slusarz at horde.org>:

> Quoting Andreas Schulze <sca at andreasschulze.de>:

> Nevermind.  This message is totally broken.  It is listed as  
> quoted-printable encoded, yet it contains BOTH non-ASCII characters  
> and incorrect '=' encoded letters.

Oh, you are right!
It's a part of debian unattended updater that generate broken message content.

Andreas