It has recently been announced that Horde in cPanel has some very very serious security concerns, so sadly effective immediately Horde will be disabled to avoid any problems with the safety & security of the servers.
I apologize for the quick-to-action nature of this shutdown, I do realize some of you utilize Horde on a daily basis, and have notes, contacts, etc. stored, I am working with some others to find a work-around to get those imported into Squirrelmail or RoundCube (not yet on all servers) – but rest assured, this is being worked on.
Other options are coming for email, I do hope to have them posted in the next few days, so hang tight! Been busy around here!