Definitely possible. But... while the likelihood of problems is extremely low, the result would be extremely bad.
Like nuclear power. Probably won't fnck up at all. But if it does.... you're really fncked over, for sure.
Mailing stealth style is a good option.
I'm actually thinking about this for mailing buds, too.
Going to have all this nice fresh sticky ganja, but not much time to smoke it all... ahhhh sh!t.....
Have been researching smuggling means, haha. ;-)