The message was successfully received and sent to the members of a distribution list. To check if a specific member of this ...

The message was successfully received and sent to the members of a distribution list. To check if a specific member of this group ({Recipient}) received the message, add the member's address instead of the group address.

Follow these steps to check the membership of the group.
  1. Go to Groups.
  2. Choose the group you want to check, and choose Edit.
  3. Go to membership to see the group members.