Autor: Christian K
Data:
A: exim-users
Assumpte: Re: [exim] Finding Fallback DKIM Domain
> Presumably you have a list of all your domains.
> It's a simple lookup, then. Just write a suitable
> file, or database, and use that.
This will be the workaround if I find no general solution for any
subdomains but it unfortunately means I'll need to keep a list of all
subdomains.