[sync] Cannot sent mail

[list-no-spam at ryux.org]

Since the new ActiveSync 2.0.11 (I suppose), I cannot sent message anymore.
It works with IMP.

This is the log

2012-12-17T20:48:24+00:00 INFO:  
Horde_Core_ActiveSync_Driver::authenticate() attempt for: xxx
2012-12-17T20:48:24+00:00 DEBUG: [Appl888298T71R4] SENDMAIL request  
received for user xxx
2012-12-17T20:48:24+00:00 DEBUG: [Appl888298T71R4] loadDeviceInfo: xxx
2012-12-17T20:48:24+00:00 INFO: Request being handled for device:  
Appl888298T71R4 Supporting protocol version: 12.1
2012-12-17T20:48:24+00:00 INFO: [Appl888298T71R4] Handling SENDMAIL command.
2012-12-17T20:48:24+00:00 DEBUG: Preparing to copy to 'INBOX.Sent'
2012-12-17T20:48:25+00:00 ERR: IMAP error reported by server.
2012-12-17T20:48:25+00:00 ERR: IMAP error reported by server.

Ryu