This spec extends IMAP with an additional special-use [RFC6154]
type for a mailbox (possibly virtual) which stores messages that
may be important to the user.
The document also creates a registry for mailbox uses to allow
other uses to be defined in future.
Working Group Summary
The only topic of debate was how to make the the registry useful
for JMAP and other non-IMAP specifications as well, which led to
adding instructions to IANA for a free-form column with usage
An \Important special-use has been implemented by Gmail already,
and all the other server implementations said it would be easy to
Document Shepherd - Bron Gondwana (EXTRA co-chair)
Responsible Area Director - Alexey Melnikov