Hi, i found a problem in crypto.rb. RMail seemes to add quotes around arguments in the Content-Type field even if quotes are already given. This lead to double double quotes and confused other mail clients. Diff attached. Regards, Michael diff --git a/lib/sup/crypto.rb b/lib/sup/crypto.rb index 7324ad4..04ca1c1 100644 --- a/lib/sup/crypto.rb +++ b/lib/sup/crypto.rb @@ -88,7 +88,7 @@ EOS control.body = "Version: 1\n" envelope = RMail::Message.new - envelope.header["Content-Type"] = 'multipart/encrypted; protocol="application/pgp-encrypted"' + envelope.header["Content-Type"] = 'multipart/encrypted; protocol=application/pgp-encrypted' envelope.add_part control envelope.add_part encrypted_payload