[Mailman-Users] Non-members keep receiving messages from the listserv

Peter Shute pshute at nuw.org.au
Tue Sep 16 01:26:30 CEST 2014

Could it be that these people are subscribed under other email addresses, which they've set to forward to their current one? You could try searching for similar looking addresses.

Peter Shute

> -----Original Message-----
> From: Mailman-Users 
> [mailto:mailman-users-bounces+pshute=nuw.org.au at python.org] 
> On Behalf Of Hung Phan
> Sent: Tuesday, 16 September 2014 8:19 AM
> To: mailman user mailing list
> Subject: [Mailman-Users] Non-members keep receiving messages 
> from the listserv
> Hello,
> We have an odd behavior with non-members keep getting 
> messages from one of our listserv. We unsubscribe these 
> members manually and receive the message of "Cannot 
> unsubscribe non-member." We have the 1-click unsubscribe link 
> embedded to messages as well. When we click on the link, we 
> receive error message "Authentication failed".
> We tried the recipients' names as well and nothing comes 
> back. These recipients reply to the original message so they 
> are registered as members.
> Anybody ran into this issue before? Is there a way for us to 
> force Mailman to NOT send out messages to these specific addresses?
> Thank you,
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