C++ (Qt)Content-Type: application/octet-stream; name=""Content-Disposition: attachment; filename=""Content-Transfer-Encoding: base64
C++ (Qt) MimeMessage message; message.setHeaderEncoding(MimePart::QuotedPrintable);
C++ (Qt) case MimePart::QuotedPrintable: mime += "=?utf-8?Q?" + QuotedPrintable::encode(QByteArray().append(subject)).replace(' ', "_").replace(':',"=3A") + "?="; break;
C++ (Qt)QString subject = QString::fromUtf8("Тема письма");QString body = QString::fromUtf8("Текст сообщения");