SYNOPSIS
use Mail::Milter::Module::HeaderFromMissing;
my $milter = new Mail::Milter::Module::HeaderFromMissing();
my $milter2 = &HeaderFromMissing; # convenience
use Mail::Milter::Module::HeaderFromMissing;
my $milter = new Mail::Milter::Module::HeaderFromMissing();
my $milter2 = &HeaderFromMissing; # convenience