Not able to login to Horde?

Many times it happens that horde wont allow user to login to webmail.
Try following command to fix the issue

root@server[~]#/usr/local/cpanel/bin/checkperlmodulesroot@server[~]#/scripts/fullhorderesetroot@server[~]#myisamchk -r /var/lib/mysql/horde/horde_sessionhandler.MYI

If still you have problem then check the ownership for session directory present in /var/cpanel/userhomes/cpanelhorde directory.

root@server[~]#ll /var/cpanel/userhomes/cpanelhorde
drwx–x–x 4 cpanelhorde cpanelhorde 4096 June 5 2012 ./drwx–x–x 7 root root 4096 Dec 17 01:48 ../drwxr-x— 2 cpanelhorde cpanelhorde 4096 June 5 2012 mail/drwx—— 2 cpanelhorde cpanelhorde 4096 Jan 27 14:01 sessions/

Session directory should be cpanelhorde.cpanelhorde ownership recursively

How to Enable html view for horde?

Login to shell using root user and follow the following steps to enable HTML view of horde webmail.
root@server[~]# vi /usr/local/cpanel/base/horde/imp/config/mime_drivers.php
Search for the line
—-
/**
* HTML driver settings
*/
$mime_drivers[‘imp’][‘html’][‘inline’] = false;
—–

and replace it with
——–
/**
* HTML driver settings
*/
$mime_drivers[‘imp’][‘html’][‘inline’] = true;
——–
Save the changes and restart the following services.
root@server[~]#service cpanel restart
root@server[~]#/scripts/restartsrv_courier