[Users] Processing Rules: Header defined

[RW]

On Wed, 1 Feb 2012 11:42:28 +0100
wwp wrote:

> Hello Christian,
> 
> 
> On Wed, 1 Feb 2012 11:33:18 +0100 Christian Hesse <list at eworm.de>
> wrote:
> 
> > Hello everybody,
> > 
> > when creating processing rules for headers you can choose whether
> > they contain a string or do not contain a string.
> > 
> > My mobile phone stores sent Mails without a Date header set.
> > Therefore I would like to have check "header exists". Is there
> > something like that? Any reason not to implement it?
> 
> There's no such rule, you can you use a regexp rule to match "." (w/o
> the quotes, . meaning any character in regexp). That way only an
> existing, non-empty value will match.

You can use "^" instead of "." to get a true  "header exists" test.