Re: [Nmh-workers] urls from mhpath, and message store abstraction layers.

[Lyndon Nerenberg]

On 2012-02-06, at 8:10 AM, paul vixie wrote:

> if the underlying message store is immutable, i expect anno to do one of
> two things:
> 
> 1. maintain state locally -- this means other IMAP users on the same or
> other hosts will not see anno's changes.
> 
> 2. fail.

It's not that hopeless.  If the IMAP server supports the METADATA extension 
(and most modern servers do), we can almost fully support anno.