[ingo] WG: Using IMP Auth in Ingo

[Jonathan Westerholt]

> As I thought, the username parameter is no better as the default value for
> the effective user as the original (one of my clients defaults to
> Ingo::getUser(true) instead, for example).  So I would rather keep the
> original as the default and instead allow the transport_auth hook to override
> this default instead.
> 
> michael

Just tested it and it works. Thanks for looking at it.

With regards

Jonathan