Jeremy, >It would be nice if in doing this Moz started using the 'Deleted' flag >to show stuff as being in the Trash folder, rather than actually >having a separate folder. More in spirit with "the IMAP way", and >suggested in the past by Mark Crispin, amongst others. > Mozilla already supports the IMAP delete model.
Account Settings | Server Settings | [When I delete a message:] In mozilla, the default is "Move it to the Trash folder" by default, instead of "Mark as deleted". (I can't remember if that's what 4.x did, or not. For some reason, I think we defaulted to "Mark as deleted.) -Seth
