my @mid = $simple->header('Message-ID');
return 0 if scalar(@mid) != 1;
my $mid = $mid[0];
return 0 if (length($mid) > MAX_MID_SIZE);
return 0 unless usable_str(length('<m@h>'), $mid) && $mid =~ /\@/;
my @mid = $simple->header('Message-ID');
return 0 if scalar(@mid) != 1;
my $mid = $mid[0];
return 0 if (length($mid) > MAX_MID_SIZE);
return 0 unless usable_str(length('<m@h>'), $mid) && $mid =~ /\@/;