Google Groups unsubscribe feature abused to remove members without

#x2018;This could have destroyed the Google Payment system flow,’ security researcher tells The Daily Swig

Why are Google group members dropped unexpectedly from the Google group? - Google Groups Community

Remove a member from a Google Group

Creating & Managing Users

Gmail Script to unsubscribe from mailing lists and newsletters - gHacks Tech News

Act Now to Stop Being Spammed Via Google Groups, Thu 24 May 2012, Blog

Google Drive spam : r/googledocs

Act Now to Stop Being Spammed Via Google Groups, Thu 24 May 2012, Blog

One-click unsubscribe: Don't do it

Prevent members from leaving Google Groups - xFanatical

Watch out: These unsubscribe emails only lead to further spam

How do I prevent my non gmail email accounts from being added to Google groups without my permissio? - Google Groups Community

Prevent members from leaving Google Groups - xFanatical

Prevent members from leaving Google Groups - xFanatical

How to Bulk Delete Google Groups - xFanatical

Bulk remove members from Google Group - xFanatical