Import from mbox to Nabble: de-duplication?

Posted by Graham Perrin on Mar 25, 2009; 4:02am
URL: https://support.nabble.com/Re-Archiving-old-messages-tp2264468p2530616.html

Graham Perrin wrote

Duplicates

… 

Might duplication occur, or is Nabble sensitive to the
Message-ID
header when importing?