User outside of group receiving emails

%3CLINGO-SUB%20id%3D%22lingo-sub-2667122%22%20slang%3D%22en-US%22%3EUser%20outside%20of%20group%20receiving%20emails%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2667122%22%20slang%3D%22en-US%22%3E%3CP%3EI%20have%20a%20user%20that%20is%20receiving%20emails%20from%20a%20group%20he%2Fshe%20is%20%3CU%3Enot%3C%2FU%3E%20a%20member%20of.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3ETroubleshooting%20Steps%20Taken%3A%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E-%20Adding%20and%20removing%20this%20user%20via%20the%20admin%20portal%20and%20Powershell%20CMD.%20User%20still%20receives%20emails%20addressed%20to%20the%20group.%3C%2FP%3E%3CP%3E-%20Verified%20no%20forwarding%20rules%20in%20the%20user%20directory%3C%2FP%3E%3CP%3E-%20User%20is%20not%20listed%20in%20the%20group%20directory%20or%20group%20list%20in%20the%20address%20book%20(verified)%3C%2FP%3E%3CP%3E-%20Trace%20performed%2C%20user%20is%20forwarded%20messages%20without%20error%20from%20sender%20(how%20is%20this%20possible%3F)%3C%2FP%3E%3CP%3E-%20Deleting%20the%20group%20and%20recreating%20is%20not%20an%20option%20(Estimated%20size%20is%20%26gt%3B4GB)%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-2667122%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3Edeleted%20user%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EGroups%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
Occasional Visitor

I have a user that is receiving emails from a group he/she is not a member of.

 

Troubleshooting Steps Taken:

 

- Adding and removing this user via the admin portal and Powershell CMD. User still receives emails addressed to the group.

- Verified no forwarding rules in the user directory

- User is not listed in the group directory or group list in the address book (verified)

- Trace performed, user is forwarded messages without error from sender (how is this possible?)

- Deleting the group and recreating is not an option (Estimated size is >4GB)

 

 

1 Reply
What does message trace (detailed one) show exactly?