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CloseReview for Remove Duplicate Messages by ChasL
Rated 5 out of 5 stars
Very useful for pruning my mailbox, and also I'd really appreciate an option (or another add-on) to "show me what's in this folder BUT NOT in that folder" (a variant of what Remove Duplicate Messages does at present). I can do this (slowly) by copying all messages in A to A2 and B to B2, running RDM between A2 and B2, then what remains in A2 and B2 is the result I'm after (can be used for consistency checks or to identify missing messages). A variant of the add-on to do this without copying would be great.
This review is for a previous version of the add-on (0.5.4b5).To create your own collections, you must have a Mozilla Add-ons account.