Service Confirmation Link - changed from HOTMAIL service

Service Confirmation Link - changed from HOTMAIL service

Hi,
I send to our subscriptors a link that allow to confirm data. People receive this link and clicking confirm that or data are right. The final parameters of link are:
/zc_Header=dfalse/Numero=945

People that have HOTMAIL service receive the link in other format that is not clickable, HOTMAIL transform = in %3 so people cannot confirm data and we can't use our application. There's a solution?

/zc_Header%3dfalse/Numero%3d945

Thanks
Mic