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

Frank Ellermann wrote:

>  
>> behavior for mail-to-NetNews gateways should also be specified.
> 
> Transparent, "Expires:" can be kept as is (modulo magic SP in news)

my concern here is that (as best I recall) in NetNews, Expires pretty 
much means the message will get deleted after that date.  I haven't 
looked at netnews in years but I seem to recall that expires used to be 
used mostly with periodic postings like FAQs that were reissued (and 
perhaps revised) on a regular basis.

whereas for email we seem to want something different - a hint to the 
recipient about the relevance of the message.  which argues for a 
different header field name to minimize the potential for confusion.

Keith