SendMail.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SendMail.aspx.cs" Inherits="SendMail.SendMail" %>
<html>
<body>
<form id="form1" runat="server">
<table>
<tr>
<td colspan="2">
<h3>Sending Email in C#.NET using gmail.</h3>
</td>
</tr>
<tr>
<td>
<span>Email</span>
</td>
<td>
<asp:TextBox ID="txtFrom" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<span>Password</span>
</td>
<td>
<asp:TextBox ID="txtPassword" runat="server" TextMode="Password"></asp:TextBox></td>
</tr>
<tr>
<td>
<span>To</span>
</td>
<td>
<asp:TextBox ID="txtTo" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<span>Subject</span>
</td>
<td>
<asp:TextBox ID="txtSubject" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<span>Body</span>
</td>
<td>
<asp:TextBox ID="txtBody" TextMode="MultiLine" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td></td>
<td>
<asp:Button ID="btnSendEmail" runat="server" Text="SendMail" OnClick="btnSendEmail_Click" />
</td>
</tr>
</table>
</form>
</body>
</html>
SendMail.aspx.cs
namespace SendMail
{
public partial class SendMail : System.Web.UI.Page
{
protected void btnSendEmail_Click(object sender, System.EventArgs e)
{
try
{
// retrive all the details from the page.
var fromAddress = txtFrom.Text;
var toAddress = txtTo.Text;
string fromPassword = txtPassword.Text;
string subject = txtSubject.Text;
string body = txtBody.Text;
// Create a new SMTP Client instance by passing the SMTP details.
var smtp = new System.Net.Mail.SmtpClient();
{
smtp.Host = "smtp.gmail.com";
smtp.Port = 587;
smtp.EnableSsl = true;
smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
smtp.Credentials = new System.Net.NetworkCredential(fromAddress, fromPassword);
smtp.Timeout = 20000;
}
//Send the email using the send method of the System.Net.Mail.SmtpClient
smtp.Send(fromAddress, toAddress, subject, body);
Response.Write("<script>alert('Mail Sent Successfully...')</script>");
}
catch (System.Net.Mail.SmtpException ex)
{
Response.Write("<script>alert('The username or password you entered is incorrect.')</script>");
}
catch (System.Exception ex)
{
Response.Write("<script>alert('"+ex.Message+"')</script>");
}
finally
{
ResetControls();
}
}
private void ResetControls()
{
txtFrom.Text = string.Empty;
txtTo.Text = string.Empty;
txtPassword.Text = string.Empty;
txtSubject.Text = string.Empty;
txtBody.Text = string.Empty;
}
}
}
