How do I know if I have a M-Pay account? October 12, 2016 05:06 Updated M-Pay is activated by default on all mobile phone, however, you may need to configure your M-Pay account via "My e-Services" at www.proximus.be. Business accounts are excluded for M-Pay. Please contact Proximus Customer Support if you are in doubt. Related articles What is Proximus M-Pay? How do I configure my M-Pay account? I tried to pay, but I am not receiving a text on my phone and / or my payment will not complete. What is Boku? How can I view my Boku transaction history?