fix names with comma (pr #180)

Author: attila-tokes

demos/demo1/demo1.cpp

@@ -21,6 +21,8 @@ int main(int argc, char *argv[])
 
     message.setSubject("SmtpClient for Qt - Demo");
 
+    message.setHeaderEncoding(MimePart::Encoding::QuotedPrintable);
+
     // Now add some text to the email.
     // First we create a MimeText object.
 

demos/demo2/sendemail.cpp

@@ -98,6 +98,8 @@ void SendEmail::on_sendEmail_clicked()
     message.setSender(sender);
     message.setSubject(subject);
 
+    message.setHeaderEncoding(MimePart::Encoding::QuotedPrintable);
+
     for (int i = 0; i < rcptStringList.size(); ++i)
          message.addRecipient(stringToEmail(rcptStringList.at(i)));
 

demos/demo3/demo3.cpp

@@ -34,6 +34,8 @@ int main(int argc, char *argv[])
 
     message.setSubject("SmtpClient for Qt - Demo");
 
+    message.setHeaderEncoding(MimePart::Encoding::QuotedPrintable);
+
     // Add some text
     MimeText text;
     text.setText("Hi!\n This is an email with some attachments.");

demos/demo4/demo4.cpp

@@ -35,6 +35,8 @@ int main(int argc, char *argv[])
 
     message.setSubject("SmtpClient for Qt - Example 3 - Html email with images");
 
+    message.setHeaderEncoding(MimePart::Encoding::QuotedPrintable);
+
     // Now we need to create a MimeHtml object for HTML content
     MimeHtml html;
 

src/mimemessage.cpp

@@ -191,7 +191,7 @@ QByteArray MimeMessage::format(const QString &text, MimePart::Encoding encoding)
             result.append(" =?utf-8?B?" + text.toUtf8().toBase64() + "?=");
             break;
         case MimePart::QuotedPrintable:
-            result.append(" =?utf-8?Q?" + QuotedPrintable::encode(text.toUtf8()).toLocal8Bit().replace(' ', "_").replace(':',"=3A") + "?=");
+            result.append(" =?utf-8?Q?" + QuotedPrintable::encode(text.toUtf8()).toLocal8Bit().replace(' ', "_").replace(':',"=3A").replace(",", "=2C") + "?=");
             break;
         default:
             result.append(" ").append(text.toLocal8Bit());