import smtplib

sender = "from@example.net"
receivers = ["to@example.net"]

message = """From: From Person <from@example.net>
To: To Person <to@example.net>
Subject: SMTP e-mail test

This is a test e-mail message.
"""

try:
    smtp_obj = smtplib.SMTP_SSL('smtp.freshmail.com', 465)
    smtp_obj.login("login", "password")
    smtp_obj.sendmail(sender, receivers, message)
    smtp_obj.close()
    print("Successfully sent email")
except smtplib.SMTPException:
    print("Error: unable to send email")

Mailer mailer = MailerBuilder 
     .withSMTPServer("smtp.freshmail.com", 465)
     .withSMTPServerUsername("username")
     .withSMTPServerPassword("password")
     .withTransportStrategy(TransportStrategy.SMTPS)
     .buildMailer(); 

Email email = EmailBuilder.startingBlank()
     .from("name", "from@example.net")
     .to("name", "to@example.net")
     .bcc("name", "bcc@example.net")
     .withSubject("test")
     .withPlainText("test message")
     .buildEmail();

mailer.sendMail(email);

var mailMessage = new MimeMessage();
mailMessage.From.Add(new MailboxAddress("from@example.net"));
mailMessage.To.Add(new MailboxAddress("to@example.net"));
mailMessage.Subject = "test message";
mailMessage.Body = new TextPart(TextFormat.Plain) {
 Text = "Simple test message"
};

using(var smtp = new SmtpClient()) {
 smtp.Connect("smtp.freshmail.com", 465);
 smtp.Authenticate("username", "password");
 smtp.Send(mailMessage);
}