Strange, but it worked now. :) Adding a dot is common, and I am 100% sure that I tried it. I guess I did not wait the minute it takes for...
I actually tried that as well, but I will try it once again just to be sure. I will post again with the results.
I have some trouble with the dns-editor in ISPConfig. When I try to add a MX-record (or CNAME-record) that points to another domain, it becomes...
Separate names with a comma.