You also need to end with "God Bless" or similar - it wastes less time on the scammers part because people who fall for that line are more gullible[1].
[1] Can't remember where I read it; was a short study on how skepticism is inversely correlated to getting scammed. A different reading some years later showed that religious believers have lower skepticism when dealing with other believers of the same faith.
You just have to pretend to be of the same belief as the mark.
