I had an especially frustrating run-in with the Origin gaming system where they accepted the +origin form of my email for sign-up, but neither their website nor

I had an especially frustrating run-in with the Origin gaming system where they accepted the +origin form of my email for sign-up, but neither their website nor their program would allow a + in the sign-in form-- effectively sticking me with an unusable account. (Phone support did clear it up)