Sometimes it happens, i.e. restoring a backup or importing messages from another computer, experience duplicated messages in a mailbox…
What the applet does
Search within Mail.app selected messages for message duplicates (if any), and moves them to Mail trash.
Select a block of messages (max a few hundred at the time), then launch the applet.
This is freeware
This program can be used for free.
In case you decide to support faqintosh you can issue a donation through PayPal.
© and Credits
Original software by faqintosh.com
Author: Marco Balestra
This software is povided "as is", without warranty.
It is freeware, but not public domain: in order to redistribute it author's clearance is required.