[Mailman-Users] Notification set to no, but still received unsubscription message while member still there

[MiaoKe]

Hello,
 
As the admin of one list, I received the following message recently:
 
From: mailman-bounces at ....
Sender: mailman-bounces at ....
To: mailinglistname-owner at ....
Subject: mailinglistname unsubscribe notification
Sent: Dec 16, 2010 9:00 AM

minks at ...... has been removed from Councilor.
 
But I checked the member database of that mailingilist, this minks at ...... is still there...
 
Please give some suggestions on how to resolve this!
 
Thanks very much!
 
Kay