In ~90% of all cases moving more then one mail to another folder result in an error output on the console. It takes ~30-60 sec until the original mail is deleted and copied to the other folder.

0) Start kmail-mobile
1) Select a folder
2) Click on folder and switch to multiselectionview
3) Select >=2 mails
4) Move mails to another folder

Version: 4:4.5~20100917.1177596-1maemo3.1174921

Output from terminal:

QModelIndex(2,0,0x2e62f0,MessageListProxy(0x248730) )  QVariant(QString, "21")
Known subscriber "kmail-mobile" subscribes again
Database "/home/user/.local/share/akonadi/akonadi.db" opened using driver "QSQLITE3"
posting retrieval request for item 19  there are  0  queues and  0  items in mine
request for item 19 still pending - waiting
processing retrieval request for item 19  parts: ("RFC822")  of resource: "akonadi_imap_resource_0"
continuing
request for item 19 "21" failed: "Unable to retrieve item from resource: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
ItemRetrieverException :  Unable to retrieve item from resource: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
posting retrieval request for item 176  there are  0  queues and  0  items in mine
request for item 176 still pending - waiting
processing retrieval request for item 176  parts: ("RFC822")  of resource: "akonadi_imap_resource_0"
continuing
request for item 176 "22" failed: "Unable to retrieve item from resource: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
ItemRetrieverException :  Unable to retrieve item from resource: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
21 +FLAGS (\Deleted)
QFSFileEngine::open: No file name specified
found 1 item parts to expire in collection "1"
22 +FLAGS (\Deleted