Problem with goups and sending/receveing e-mails

Problem with goups and sending/receveing e-mails

Hello

Since today we have a problem with our zoho mail account. On the administrator account the groups and the users we created are gone and we can`t send and recive e-mails. Anyone had the same problem? Plase help as soon as posible.

Thank you.

Ovidiu Nicolescu