return $val if defined $val;
my $mime = $self->{mime} or return;
- $val = $mime->header($field);
- $val = '' unless defined $val;
+ my @raw = $mime->header($field);
+ $val = join(', ', @raw);
$val =~ tr/\t\n/ /;
$val =~ tr/\r//d;
$self->{$field} = $val;