<p>Once the user validates the UID change, it's should not be so hard to automate the recovering in the easy case: it's the matter of programming what's you would do manually as explained in the doc. <a href="http://offlineimap.org/doc/FAQ.html#what-is-the-uid-validity-problem-for-folder">http://offlineimap.org/doc/FAQ.html#what-is-the-uid-validity-problem-for-folder</a></p>
<p>IMAP RFC says the UID changes should be avoided as much as possible in order to defect the clients at least as possible. What is different with MS Exchange so that it makes OfflineIMAP unusable? </p>
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