Subscription e-mails not sent

Hi,

I cannot figure out why subscription e-mails are not sent. I can see them in the backend under "Mail Activities" but with status "Not published" so I guess status is not sent?
http://take.ms/0ECNb

My setting is that mails should be send immediately - not by using cron job.

Maybe it is related to the fact that the template also has status not published?
http://take.ms/2T4BL

But when I try to change this I just get an error.
http://take.ms/KJR32

Thanks,

Claus.