[Mailman-Users] Unsubscriber problem

[python python]

Hi 

I have mailman 2.1.8. along with postfix. Everything
is fine. now from few days i watching few of my
sunscriber from list automatic get unsubscribe,
without knowing anyone. Could you tel me the causes
??? On membership list i am finding B option in nomail
reason??? whats this???


		
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