alias table does not show aliases with more that one target / add non local address as target

[aterjung]

Hi,

thank you for your great work. The alias Table hides aliases that have more than one target set. The addresses are separated with a ",":

• mr.a@test.net mr.b.test.net,mr.c@test.net

On top of that, it would be great if you could add a text field to add an not local address as target.