Send Email using C# .Net or ASP .Net example with source code

Introduction:

In this lecture we learn about:

• Who Send Email?
• Who give email header?
• Who get email address of receiver as input?
• Who get message from input textbox?
• Who send email using Gmail SMTP server or Hotmail SMTP Server or other servers?
• Who sure the credentials for email sending? 

Note: First of all if you use gmail smtp server for sending email  enable the Less Secure Apps.

=> Instructions given in code by using comments.

Source Code:

--Create Button Click Event 

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
                //Email Address of Receiver
                message.To.Add(textBox1.Text.Trim());
                //Subject of Email
                message.Subject = "Welcome Email Sending Demo";
                //Email of Sender and Header Text
                message.From = new System.Net.Mail.MailAddress("example@gmail.com","Text Show On Header");
                //Message you want send
                message.Body = textBox2.Text.Trim();
                //SMTP address for Gmail=> smtp.gmail.com , Hotmail=> smtp.live.com , For other servers use related address
                System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.gmail.com");
                //Email and Password of Sender
                smtp.Credentials = new System.Net.NetworkCredential("example@gmail.com", "Password");
                //SSL Security Enable
                smtp.EnableSsl = true;
                smtp.Send(message);
                MessageBox.Show("Email Send Successfully");
            }
            catch (Exception)
            {
                throw;
            }
        }

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