Code Behind
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net.Mail; /* Available Only in .NET 2005, it include:
MailMessage,MailAddress,Attachment,SmtpClient.. */
using System.Drawing; // to Set ForeColor to Label
using System.IO;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{ }
}
protected void btSend_Click(object sender, EventArgs e)
{
try
{
MailMessage mM = new MailMessage();/*Represents an
e-mail message that can be sent using the SmtpClient class.*/
mM.From = new MailAddress(txtFrom.Text); /* Gets or sets
the from address for this e-mail message */
mM.To.Add(txtTo.Text);/* Gets the address collection that
contains the recipients of this e-mail message */
mM.Subject = txtSub.Text; /* Gets or sets the subject line
for this e-mail message */
mM.Body = txtMsg.Text; /* Message Content */
mM.Priority = MailPriority.High; /* Gets or sets the priority
of this e-mail message */
SmtpClient sC = new SmtpClient("smtp.mail.yahoo.com"); /* Allows applications to
send e-mail by using the Simple Mail Transfer Protocol (SMTP) */
sC.Port = 587; /*Gets or sets the port used for SMTP transactions.*/
sC.Credentials = new NetworkCredential("YahooUsername", "password");/*Provides credentials
for password-based authentication schemes such as basic, digest, NTLM, and
Kerberos authentication.*/
sC.Send(mM); /* Overloaded. Sends an e-mail message to an SMTP server
for delivery. These methods block while the message is being transmitted. */
lbReport.Text = "Mail Send Successfully";
lbReport.ForeColor = Color.Green;
}
catch(Exception ex)
{
lbReport.Text = ex+"Mail Sending Fail's";
lbReport.ForeColor = Color.Red;
}
}
}
Inline Code
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Sending Mail Using System.Net.Mail</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="width: 526px">
<tr><td style="width: 116px; height: 26px;">
<strong>From</strong></td><td style="width: 324px; height: 26px;">
<asp:TextBox ID="txtFrom" runat="server" Width="391px"></asp:TextBox></td>
</tr>
<tr><td style="width: 116px; height: 26px;">
<strong>To</strong></td><td style="width: 324px; height: 26px;"><asp:TextBox ID="txtTo" runat="server" Width="392px"></asp:TextBox></td></tr>
<tr><td style="width: 116px">
<strong>Subject</strong></td><td style="width: 324px"><asp:TextBox ID="txtSub" runat="server" Width="394px"></asp:TextBox></td> </tr>
<tr><td style="height: 290px">
<strong>Message</strong></td><td style="height: 290px; width: 324px;">
<asp:TextBox ID="txtMsg" runat="server" Height="284px" TextMode="MultiLine" Width="394px"></asp:TextBox></td></tr>
<tr><td style="height: 5px"></td><td style="width: 324px; height: 5px">
<asp:Button ID="btSend" runat="server" Text="Send" OnClick="btSend_Click" /> <asp:Button ID="btClear"
runat="server" Text="Clear" /></td></tr>
</table>
</div>
<asp:Label ID="lbReport" runat="server" Font-Bold="True" Font-Names="Times New Roman"></asp:Label>
</form>
</body>
</html>
In your IIS Server You Have To Configure,
Step As Follow,
Step 1: Default SMTP Virtual Server.
Step 2:Right-click it.
Step 3:Select Properties.
Step 4:Select Access tab.
Step 5:Click Relay Button.
Step 6:Relay Restriction Dialog Box, only the list below Option Will Be Selected By Default.
Step7:If The local IP address: 127.0.0.1 is Entered Means leave that one else you have to
add the above ip address in The Single Computer Ip address it's enough.
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