[Bug] Sieve vacation :addresses match only,> case-sensitive?

[Hendrik Boom]

On Wed, Sep 11, 2019 at 09:25:54PM +0200, Klaus Steinberger via dovecot wrote:
> > I want to have it case-insensitive again, like in Pigeonhole version 0.4.24
> 
> i would also plea for making it case-insensitive again! We were hit by this too,
> and I never saw any mail system in which the local Part ist Case sensitive!

Isn't the user name in the original Unix mail system (and presumably 
most of its descentants) case sensitive?  In which case it has to 
distinguish between mail sent to bob and to Bob?

- hendrik