[Dovecot] incremental backups of maildir via rsync

[Wojciech Puchar]

>> but --detect-renamed fixes it.
>>
>
> This did not work:
>
> # rsync -SHa --detect-renamed /etc/motd /var/tmp
> rsync: --detect-renamed: unknown option
rsync 3.0.9 FreeBSD ports with option "enable detect renamed"

it uses
rsync-patches-3.0.9.tar.gz

in addition to main source. patch for renaming files detection (and many 
others) are there. it is available from rsync site

http://rsync.samba.org/ftp/rsync/rsync-patches-3.0.9.tar.gz