Iso2022jp - MIME header encoder for ISO-2022-JP character set
use IM/Iso2022jp;
$encoded_string_for_structured_header
=
struct_iso2022jp_mimefy(string);
$encoded_string_for_unstructured_header
=
line_iso2022jp_mimefy(string);
$rcode
= header_iso2022jp_conv(\@Header,
code_conv_flag);