Try messaging me 1-on-1:

support@simplifiedprivacy.is

OMEMO

37d6b6f55bc7209e07eda2db1a1af86fbd8f36cd85a55245392a076a8565387a

Then I can invite you to the group

Group:

The group has no keys, it's an open public room. You add them differently as "Join Group":

simplified-privacy@groups.simplifiedprivacy.is