[imp] "Mail Preview" patch

[Michal]

Hi All,

Quoting Jan Schneider <jan@horde.org>:

> Zitat von Michal <michal@michal.no-ip.com>:
>
> > Will it be committed ?
>
> I already thought about it, but I'm not sure. It surely is a nice feature
> but also a huge performance eater. Perhaps we should _also_ make it a

Of course it is perforance eater , but it can really help to somebody who is
getting tons of mail from robots (me ;) ), though.

> configuration item, this is better than locking the preferences.

Yes, and if it will be by default disabled then it can't harm anybody who
doesn't want to ;)