From: no_reply@dipl-ing-kessler.de   
      
   On Fri, 2 Jan 2026 21:10:32 +0100 Marco Moock wrote:   
      
   > On 01.01.2026 20:19 Uhr Markus Robert Kessler wrote:   
   >   
   >> So, I'd like to mirror them via imapsync to a local instance of some   
   >> imap server, and then pack them together as a tgz archive.   
   >   
   > I use Cyrus and like it.   
   > It saves the mail as text files. The metadata information (folder   
   > permissions, read status etc.) is saved in local databases.   
      
   "local databases" - is this mysql or text based databases?   
      
   B.t.w.: Saving emails as text files lets me hope that after upgrade of the   
   imap service or even OS upgrade one day, the old backups stay usable?   
      
   I am asking this because I once got into big trouble when I had to move   
   multiple mysql databases to a new machine with new OS and new version of   
   mysqld. - Nothing worked and I had to use mysql-dump to export the data as   
   text-dump on the old system and import them into the new one.   
   After that, the permission system also had to be set up from scratch   
   because of different data format...   
      
   Best regards,   
      
   Markus   
      
      
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