Horde "Request a Read" Receipt Issue

[camposomar]

Hello All,

I have a wierd issue between horde clients, when i send a mail from a mail account with horde and check option "Request a Read Receipt" the mail send fine.. i go to check in destiny mail account, open a mail an show "clic here to send Request a Read" i put click .. but never arrive notificacion of "mail read" .. is wierd because if a send to
hotmail, gmail..or any another mail works but between horde no...