It appears that in your caldavd.plist, the "iMIP > Sending > Address" value is not a valid email address with an @ in it.
  
On Nov 17, 2010, at 3:43 AM, Lisana Berberi wrote:

hello,

i have  a calenderserver 
version -2.4 from apple running on a linux squeeze box and i'm trying to send an invitation to an external user
and the error below is shown about imip request: Could not do server-to-imip!!!!!!!!


2010-11-17 12:34:46+0100 [-] [mailgateway] 2010-11-17 12:34:46+0100 [-] twisted.web2.channel.http.HTTPFactory starting on 62310
2010-11-17 12:35:37+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.imip#error] Could not do server-to-imip request : <twistedcaldav.scheduling.imip.ScheduleViaIMip object at 0x90d14ac> iMIP VFREEBUSY REQUESTs not supported.
2010-11-17 12:35:37+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.scheduler.ScheduleResponseQueue#error] Error during POST for mailto:lisanaberberi@ya: None
2010-11-17 12:35:38+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.imip#error] Could not do server-to-imip request : <twistedcaldav.scheduling.imip.ScheduleViaIMip object at 0x8f90c0c> iMIP VFREEBUSY REQUESTs not supported.
2010-11-17 12:35:38+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.scheduler.ScheduleResponseQueue#error] Error during POST for mailto:lisanaberberi@yahooc.: None
2010-11-17 12:35:39+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.imip#error] Could not do server-to-imip request : <twistedcaldav.scheduling.imip.ScheduleViaIMip object at 0x907328c> iMIP VFREEBUSY REQUESTs not supported.
2010-11-17 12:35:39+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.scheduler.ScheduleResponseQueue#error] Error during POST for mailto:lisanaberberi@yahoo.c: None
2010-11-17 12:35:40+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.imip#error] Could not do server-to-imip request : <twistedcaldav.scheduling.imip.ScheduleViaIMip object at 0x906310c> iMIP VFREEBUSY REQUESTs not supported.
2010-11-17 12:35:40+0100 [-] [caldav-8008]  [PooledMemCacheProtocol,client] [twistedcaldav.scheduling.scheduler.ScheduleResponseQueue#error] Error during POST for mailto:lisanaberberi@yahoo.com: None
2010-11-17 12:35:43+0100 [-] [mailgateway] 2010-11-17 12:35:43+0100 [-] Exception rendering:
2010-11-17 12:35:43+0100 [-] [mailgateway] 2010-11-17 12:35:43+0100 [-] Unhandled Error
2010-11-17 12:35:43+0100 [-] [mailgateway]     Traceback (most recent call last):
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twisted/internet/defer.py", line 241, in callback
2010-11-17 12:35:43+0100 [-] [mailgateway]         self._startRunCallbacks(result)
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twisted/internet/defer.py", line 310, in _startRunCallbacks
2010-11-17 12:35:43+0100 [-] [mailgateway]         self._runCallbacks()
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twisted/internet/defer.py", line 326, in _runCallbacks
2010-11-17 12:35:43+0100 [-] [mailgateway]         self.result = callback(self.result, *args, **kw)
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twisted/internet/defer.py", line 769, in gotResult
2010-11-17 12:35:43+0100 [-] [mailgateway]         _inlineCallbacks(r, g, deferred)
2010-11-17 12:35:43+0100 [-] [mailgateway]     --- <exception caught here> ---
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twisted/internet/defer.py", line 749, in _inlineCallbacks
2010-11-17 12:35:43+0100 [-] [mailgateway]         result = g.send(result)
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twistedcaldav/mail.py", line 334, in http_POST
2010-11-17 12:35:43+0100 [-] [mailgateway]         recipient, calendar, language=language)):
2010-11-17 12:35:43+0100 [-] [mailgateway]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twistedcaldav/mail.py", line 825, in outbound
2010-11-17 12:35:43+0100 [-] [mailgateway]         pre, post = serverAddress.split('@')
2010-11-17 12:35:43+0100 [-] [mailgateway]     exceptions.ValueError: need more than 1 value to unpack
2010-11-17 12:35:43+0100 [-] [mailgateway]     
2010-11-17 12:35:43+0100 [-] [caldav-8008]  [AuthorizedHTTPGetter,client] [twistedcaldav.scheduling.imip#error] Could not do server-to-imip request : <twistedcaldav.scheduling.imip.ScheduleViaIMip object at 0x906624c> 500 Internal Server Error
2010-11-17 12:35:43+0100 [-] [caldav-8008]  [AuthorizedHTTPGetter,client] [twistedcaldav.scheduling.scheduler.ScheduleResponseQueue#error] Error during PUT for mailto:lisanaberberi@yahoo.com: None

thnx, any idea would be appreciated

Lisa


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