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License key not working


New Member
I have a license key for MBM purchased many years ago (2005!) and upgraded a time or two since. Wanting to get back into using it so bought the update plan and dowloaded the latest version and the entered the aforementioned license key and got a message that the key was invalid. Requested and received the serial by email and copied and pasted it and got the same response. What am I missing here?


New Member
Interestingly, I went back through my emails and found a "MaxBulk Mailer Delivery Report" from the last time I used the software in 2018 and it shows I was using 8.6.1 and it was registered. So I downloaded 8.6.1 and tried the license key and it still didn't work.MBM 861 registered.jpg