my $hdr = $mime->header_obj;
my $mids = mids($hdr);
- if (!scalar(@$mids)) { # spam often has no Message-Id
+ if (!scalar(@$mids)) { # spam often has no Message-ID
my $mid0 = digest2mid(content_digest($mime), $hdr);
append_mid($hdr, $mid0);
return $mid0;