[Mailman-Users] flood of unsubs may be heading your way

[JC Dill]

In the default mailman install, a subscription is automatically disabled 
when mail starts repeatedly bouncing.  The subscriber is then emailed a 
reminder every 4 weeks telling them that they are disabled and that they 
can re-enable their subscription.  After 5 weeks the account is removed 
(unsubscribed).

5 weeks ago many email boxes started to overflow with virus laden 
email.  So if you notice a sudden flurry of unsubscribes from your mailman 
hosted lists, it's probably just those inactive email addresses finally 
being removed from your list roster, 5 weeks later.

jc