[MlMt] expiring deleted and sent

[John Cooper]

Bill Cole wrote (at 10:28 on 8 Oct 2018):

> A user NEVER directly adds a message to a Smart Mailbox.

Perhaps this is true at some technical level, but in terms of what the 
user can do and see, it's not. For sorting and accessibility purposes, I 
have a number of smart mailboxes that only point to a corresponding IMAP 
mailbox. I drag messages directly into those smart mailboxes all the 
time.