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# Cyrus IMAP

# Cyrus IMAP 2.5.16 Release Notes

Important

This is a bug-fix release in the 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 HTTPS:

> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.16/cyrus-imapd-2.5.16.tar.gz
> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.16/cyrus-imapd-2.5.16.tar.gz.sig

## Changes Since 2.5.15

### Bug fixes

- Fixed: XFER now correctly distinguishes between 2.3.x releases
- Fixed Issue #3123: XFER now recognises 3.1, 3.2 and 3.3 backends
- Fixed: XFER now syslogs a warning when it doesn’t recognise the backend Cyrus version