I suppose the problem is we don't consider other alternative than html.
We should display such part as attachment. Create a ticket and attach
sample message.
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Aleksander 'A.L.E.C' Machniak
LAN Management System Developer [http://lms.org.pl]
Roundcube Webmail Developer [http://roundcube.net]
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PGP: 19359DC1 @@ GG: 2275252 @@ WWW: http://alec.pl