Re: Intent to revive "expires" header from draft-ietf-mailext-new-fields-15

> > This proposal can serve well to standardize the header itself,  thats 
> > the easy part.  But how it will apply is a different ball of wax.   The 
> > MUA side can deal with it by moving it into folders or deleting it.    
> 
> ...or by showing them in a different color, or optionally hiding them in 
> summaries.  if the only options most MUAs provided were effectively 
> deleting them, that would IMHO be a bad result.

Again, we could explicitly specify that this MUST NOT be done,
and include proper reasoning for this decision. One would be
stupid to implement a MUA which still does that then.

Cheers,
Michael