Originally Posted by ejzohn
In your BIS account, set an auto bcc to this address - IMAPusernameemail@example.com. Mail will be placed in the "sent items" folder, assuming your IMAP setup has the "sent items" folder being a subfolder (most IMAP systems do, I think).
The string "+sent_items" is literal. IMAPusername gets substituted with your name and domain gets substituted with your domain.
This worked for me.
That's even better. Cool.