[imp] PGP encrypt by default -> reply

[Peter Meier]

Hi

> I'm not sure whether this makes more sense as a preference or a  
> configuration setting.

the decision is up to you. I can also propose a patch for a  
configuration setting if you rather like it that way.

I implemented it as a preference as I saw the reason and value for  
this feature and thought that maybe individual people might be still  
interested in having it. (We have the preference by default on off on  
our site).

cheers pete