Idea for filtered access to cyrus

[Robert Banz]

>
> Cyrus gets this and slices off the +filter= and places the value "foo"
> into a FILTER variable.
>
> On the mail delivery side:  LMTP is changed to look for X-IMAP- 
> FILTER headers
> and to store the value of the header as an IMAP flag.  Assuming
> X-IMAP-Filter: foo
> then we add /filter=foo to the IMAP flags.  Do so for each X-IMAP- 
> FILTERheader found.

Could this be more generically implemented by creating a sieve  
extension to manipulate IMAP flags when storing a message to a folder?

-rob