Fatal error: max atom size too small: Invalid argument

[Marc MERLIN <marc_news@xxxxxxxxxxx>]

When syncing a delete for 4000+ messages, offlineimap dies on:

(...)
imap: imapsplit() returning: ['FLAGS', '()', 'UID', '58374']
imap: options2hash called with input: ['FLAGS', '()', 'UID', '58374']
imap: options2hash returning: {'FLAGS': '()', 'UID': '58374'}
imap:   29:58.04 > HDJJ55 UID STORE 
1,14:15,21915,42202,42290,9714,10606,45835,45927,46199,46301,46304:46305,46313:46314,46317:46318,46338:46339,46344:46346,46357,46439,46484,46523,46594:46595,46599:46602,46621,46652,46654:46655,46657,46666,46668:46669,46678,46680:46685,46687,46689,46694,46697,46700,46706,46722,46761
(...)
7871,57874,57876:57881,57883:57888,57892,57901,57903,57905,57907,57910:57912,57916,57925,57927:57937,57939:57944,57946:57960,57962:57964,57966,57968:57974,57976:57980,57982:57983,57985:57986,57991:57992,25226,57995:57996,25229,57998,25231,58000:58001,58003:58004,58007:58014,58016:58021,58025:58027,58030:58032,58036,58038,58041,58048:58052,58057:58060,58064,58078,58081,58083:58084,58086:58087,58089:58095,58098:58101,58104:58105,58107:58108,58110:58111,58113:58117,58119:58122,58124:58126,58129:58132,58134:58136,58139,58141:58143,58146,58148:58150,58152:58164,58166:58175,53603,26787,53734,53772,28878
 +FLAGS (\Deleted)
Folder sync merlins.org[.ml]:
   DEBUG[imap]:   29:58.44 < * BYE [ALERT] Fatal error: max atom size too 
small: Invalid argument
Folder sync merlins.org[.ml]:
   DEBUG[imap]:   29:58.44      matched r'\* (?P<type>[A-Z-]+)( (?P<data>.*))?' 
=> ('BYE', ' [ALERT] Fatal error: max atom size too small: Invalid argument', 
'[ALERT] Fatal error: max atom size too small: Invalid argument')
(...)
abort: command: UID => socket error: EOF

Technically, this looks like an error from courier imap, right?

Any suggestions on how to work around this?

Thanks
Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems & security ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/   |   Finger marc_f@xxxxxxxxxxx for PGP key