🚀 go-pugleaf

> Since your code has a setting for using "base64", you should not be
getting the error when that is enabled.

Yes, this is possible in my mail client. But I want the "quoted-printable"
feature too (because not all clients support base64)! I will test the
connection with base64. Thank you.

> >     NText->Body = Memo2->Lines;
>
> How many characters are on each line of your Memo text?

More than 64 characters... I know what you mean, but I don't know how to fix
this.

> You have 2 "text/plain" parts in your message.

I know. That is my intention. Otherwise the code does not work! (exception)

> >   int TextParts = 0;
> >   for (int MP=0; MP < SMTPMessage->MessageParts->Count; MP++)
> >   {
> >     if(dynamic_cast<TIdText*>(SMTPMessage->MessageParts->Items[MP]));
> >     TextParts++;
> >   }
>
> TIdMessage has a CountParts() method that does that for you, assigning the
> TIdMessage's TextPartCount property.  Besides, your code has a semi-colon
at
> the end of the if() statement, so the variable will be incremented for all
> parts regardless of their actual class type.  You should have gotten a
"code
> has no effect" warning from the compiler.

No. It works normally.

> >     if (IdSMTP1->AuthenticationType == atLogin)
> >       if (!IdSMTP1->Authenticate())
>
> You do not need to call that manually.  Send() automatically calls
> Authenticate().

Ok, thank you for your modified code.