(.NET Core C#) Forward an Email using CreateForward

Reads an email from an IMAP server, creates a forward version of the email using the CreateForward method, and sends the email to another recipient.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Read the 1st (most recent) email in an Inbox.
Chilkat.Imap imap = new Chilkat.Imap();

// Connect to an IMAP server.
imap.Ssl = true;
imap.Port = 993;
bool success = imap.Connect("imap.someMailServer.com");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Login
success = imap.Login("myLogin","myPassword");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Select an IMAP mailbox
success = imap.SelectMailbox("Inbox");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

int numEmails = imap.NumMessages;

// Fetch the email at the last sequence number.
// (We are assuming the Inbox has at least 1 email)
Chilkat.Email email = imap.FetchSingle(numEmails,false);
if (imap.LastMethodSuccess == false) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Disconnect from the IMAP server.
imap.Disconnect();

Debug.WriteLine(email.Subject);

Chilkat.Email eForward = email.CreateForward();

// The eForward email has no To or CC recipients yet.
// Add one or more..
eForward.AddTo("Chilkat Support","support@chilkatsoft.com");

// We also need to specify the From name/address.
eForward.FromAddress = "matt@someMailServer.com";
eForward.FromName = "Matt";

// If we wish to add text at the start of the email body:
Chilkat.StringBuilder sbHtmlBody = new Chilkat.StringBuilder();
if (eForward.HasHtmlBody() == true) {
    sbHtmlBody.Append(eForward.GetHtmlBody());
    sbHtmlBody.Prepend("<p>Hello, this is an email I'm forwarding to you...</p>");
    eForward.SetHtmlBody(sbHtmlBody.GetAsString());
}

Chilkat.StringBuilder sbPtBody = new Chilkat.StringBuilder();
if (eForward.HasPlainTextBody() == true) {
    sbPtBody.Append(eForward.GetPlainTextBody());
    sbPtBody.Prepend("Hello, this is an email I'm forwarding to you...\r\n\r\n");
    eForward.SetTextBody(sbPtBody.GetAsString(),"text/plain");
}

// We could save the .eml, then double-click on it to view in our mail program, such as Outlook or Thunderbird..
eForward.SaveEml("qa_output/forward.eml");

// We could send (forward) the email..
Chilkat.MailMan mailman = new Chilkat.MailMan();

mailman.SmtpHost = "smtp.someMailServer.com";
mailman.SmtpUsername = "myLogin";
mailman.SmtpPassword = "myPassword";
mailman.SmtpPort = 587;
mailman.StartTLS = true;

success = mailman.SendEmail(eForward);
if (success != true) {
    Debug.WriteLine(mailman.LastErrorText);
    return;
}

success = mailman.CloseSmtpConnection();
if (success != true) {
    Debug.WriteLine("Connection to SMTP server not closed cleanly.");
}

Debug.WriteLine("Mail Sent!");