Mail from Macupdate :
Notice of the unsubscribe link and click :
Message on the unsubscribe page :
Conclusion :
- The unsubscribe link is buggy.
- https://deals.macupdate.com/newsletter/manage-subscriptions/m/%recipient.member_email_hash%
- The mailing list can't extract the hash from the member...
- Finally, the unsubscribe page is buggy.
