How come I still can’t transact with Boku after I have activated my M-Pay account? CSMgr.8686 Updated November 27, 2018 03:27 Follow Depending on the account type (prepaid vs. postpaid), your M-Pay account may have a spend limit pre-configured. Please contact Proximus Customer Support for more information. Related articles How do I configure my M-Pay account? How do I know if I have a M-Pay account? How do I contact Facebook if I have questions about my mobile transactions? I recently change mobile providers and am having trouble making a purchase I blocked my number in the Customer Care Portal, can I unblock it? Comments 0 comments Article is closed for comments.