When I mailed email@example.com I get this error:
"""Mail Delivery Subsystem to me
show details 11:38 (0 minutes ago)
This is an automatically generated Delivery Status Notification
Delivery to the following recipient failed permanently:
Technical details of permanent failure:
Your messages has been rejected, there are too many invalid recipients
in the group firstname.lastname@example.org"""
Is it possible to unsubscribe me from this group.