How to send mail by using smtp in asp.net?

@adan 

To send mail using SMTP in ASP.NET, you can use the SmtpClient class in the System.Net.Mail namespace. Here is a step-by-step guide on how to send mail:

1. Add the System.Net.Mail namespace to your ASP.NET code-behind file.

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using System.Net.Mail;

1. Create an instance of the SmtpClient class and specify the SMTP server settings.

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SmtpClient client = new SmtpClient("smtp.yourmailserver.com");
client.Port = 587; // Specify the SMTP port number
client.Credentials = new System.Net.NetworkCredential("yourusername", "yourpassword");
client.EnableSsl = true; // Enable SSL if required by your SMTP server

1. Create a MailMessage object and specify the sender, recipient, subject, and body of the email.

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MailMessage message = new MailMessage();
message.From = new MailAddress("[email protected]");
message.To.Add(new MailAddress("[email protected]"));
message.Subject = "Test Email";
message.Body = "This is a test email.";

1. Send the email using the Send method of the SmtpClient class.

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client.Send(message);

1. Handle any exceptions that may occur during the email sending process.

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try
{
    client.Send(message);
    Response.Write("Email sent successfully");
}
catch (Exception ex)
{
    Response.Write("An error occurred: " + ex.Message);
}

That's it! You have successfully sent an email using SMTP in ASP.NET. Remember to replace the SMTP server settings with your own SMTP server details and provide a valid sender and recipient email address.