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# Cyrus IMAP 2.5.5 Release Notes

Important

This is a bug-fix release in the stable 2.5 series.

Refer to the Cyrus IMAP 2.5.0 Release Notes for important information about the 2.5 series, including upgrading instructions.

Download via HTTP:

> - http://www.cyrusimap.org/releases/old/cyrus-imapd-2.5.5.tar.gz
> - http://www.cyrusimap.org/releases/old/cyrus-imapd-2.5.5.tar.gz.sig

Download via FTP:

> - ftp://ftp.cyrusimap.org/cyrus-imapd/OLD-VERSIONS/cyrus-imapd-2.5.5.tar.gz
> - ftp://ftp.cyrusimap.org/cyrus-imapd/OLD-VERSIONS/cyrus-imapd-2.5.5.tar.gz.sig

## Changes Since 2.5.4

### Bug fixes

- Security fix: compiling with –enable-autocreate no longer allows arbitrary mailbox creation
- Fixed task 207: don’t segfault on mboxutil -d of MBTYPE_DELETED mailboxes (thanks Chris Stromsoe)
- Fixed lock management over rename (thanks Thomas Jarosch)
- Miscellaneous other fixes (thanks Thomas Jarosch)