(.NET Core C#) Send Email using office365 SMTP

Demonstrates how to send an email using Office365.

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

// The mailman object is used for sending and receiving email.
Chilkat.MailMan mailman = new Chilkat.MailMan();

// Set the SMTP server to Office365's SMTP server.
// Note: Please be sure to double-check the SMTP settings
// with your provider or with the official Office365 documentation
// provided by Microsoft.  The required settings could change...
mailman.SmtpHost = "smtp.office365.com";
mailman.SmtpPort = 587;
mailman.StartTLS = true;

// Set the SMTP login/password
mailman.SmtpUsername = "OFFICE365_USERNAME";
mailman.SmtpPassword = "OFFICE365_PASSWORD";

// Create a new email object
Chilkat.Email email = new Chilkat.Email();

email.Subject = "This is a test";
email.Body = "This is a test";
email.From = "My Name <my_office365_email@example.com>";
bool success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com");

// Call SendEmail to connect to the SMTP server and send.
// The connection (i.e. session) to the SMTP server remains
// open so that subsequent SendEmail calls may use the
// same connection.  
success = mailman.SendEmail(email);
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!");