Pin mail-parser tighter - to 3.9.x
Pin mail-parser tighter - to 3.9.x

StackStorm/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,Plexxi/st2,nzlosh/st2,Plexxi/st2,StackStorm/st2