With this plugin you can colorize the message index rows based on specific criteria like sender, recipient and subject.
Go to roundcube settings area and select rules to highlight emails in your mailview.
Author: Cor Bosman (cor@roundcu.be)
Bug reports through github (https://github.com/corbosman/message_highlight/issues)
This plugin is distributed under the GNU General Public License Version 2. Please read through the file LICENSE for more information about this license.