How to enable Inline HTML message viewing for Horde.
By default HTML viewing message for Horde is disabled
To enable edit the following file
/usr/local/cpanel/base/horde/imp/config/mime_drivers.php
And change the following line
from
$mime_drivers['imp']['plain']['inline'] = false;
to
$mime_drivers['imp']['plain']['inline'] = true;
Syntaxis has been little bit changed, so now you need to update the following section in /usr/local/cpanel/base/horde/imp/config/mime_drivers.php… Read the rest