Another way to be sort of honest is use letterhead that says "From the desk of Tom Cruise", that doesn't mean Tom Cruise wrote it just that it came from a desk

Another way to be sort of honest is use letterhead that says "From the desk of Tom Cruise", that doesn't mean Tom Cruise wrote it just that it came from a desk he owns. The stamped signature is his approval of the message, sort of like when political ads say "I'm Bob Dole and I approved this message".