Jakob Hirsch wrote:
Marc Perkel wrote:

  
I'm advocating for a change in the IMAP specification to allow outgoing
    

Not as bad as your usual ideas, but it has been thought before:

http://www.courier-mta.org/imap/smap.html

I doubt that something like this will spread in the foreseeable future.
  

You are referring to this?

I'd really like to see something like this happen. Wonder what it would take for Dovecot to implement some protocol experimentally to do something like this?