- Added check_plugin_version() function.
- If mailbox name starts with slash or contains ../, error message is
generated. Safety check for insecure default UW IMAP setup (#1557078).
+ - Ignore message copy errors when messages are deleted. Allows to delete
+ messages when quota is exceeded. (#614887) (#646386) (#1446026)
+ - Added filter_hook_function() hook type.
Version 1.5.1 (branched on 2006-02-12)
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