Hi Paul,

> >This might be important if you're searching for uncommon headers. Of
> >course, uncommon headers probably also mean that they're uncommonly
> >searched for...
> 
> Don't count on it. Offlineimap is a common client for syncing 
> imap-instances. It uses it's own header-type where both key and value are 
> unique per message:
> 
> X-OfflineIMAP-901701146-4c6f63616c4d69726a616d-494e424f58: 
> 1086726519-0790956581151

Searches for p.e. X-Spam-Status are quite common too.

Aaron: more returned rows make a real difference if the imapd and
database are on different hosts.

The point I don't see in this discussion is: where is the problem using
the is_header column even if that requires running a script or
program in the 2.0 series? The database structure stays the same, people
don't need to change any software, they can switch between old and new
dbmail of 2.0 series so it won't hurt but we gain a lot.


Thomas
-- 
http://www.tmueller.com for pgp key (95702B3B)

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