Answer
A member has confirmed an action successfully.
In this case, request Undefined was processing an ACCEPT command from Undefined sent to the list Undefined.
This is the correct result, no action is required by you.
See Also:
- What options are there for joining/subscribing to a list?
- How do alerts work?
- What options are there for leaving/unsubscribing to a list?
- What is and how does moderation work?
Keywords:member accept leave unsubscribe 8482