[Dovecot] doveadm command to block a user?

Hello,

Is there any command to be able to lock imap access to a specific user? 

With doveadm kick I could close his connections, but I want to avoid future ones too and just for imap.

Any way to do it?

-- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información y las Comunicaciones Aplicadas (ATICA) http://www.um.es/atica Tfo: 868887590 Fax: 868888337