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Cyrus IMAP 2.4.17-caldav-beta5 Release Notes
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Changes to the Cyrus IMAP Server since 2.4.17-caldav-beta4
* Always verify authorization credentials supplied by the client (a proxy may be reusing an existing connection as a different user)
* Don't bother supporting Digest qop=auth-int since no clients seem to use it
* Don't show addressbook mailboxes in IMAP LIST output
* Plugged leaked memory found by Valgrind
* Better handling of request/response bodies
* Added httpprettytelemetry option
* Added httpallowcors option (Cross-Origin Resource Sharing)
:ref:`imap-release-notes-2.4-dav`
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