Sample Code For Sending Emails Via Gmail

1. ASP.NET - C#


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@import namespace="System.Net"%>
<%@import namespace="System.Net.Mail"%>
<script language="C#" runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        MailMessage m = new MailMessage();
        SmtpClient sc = new SmtpClient();
         try
            {
                m.From = new MailAddress("[email protected]");                
                       m.To.Add("[email protected]");
                m.Subject = "This is a Test Mail";
                m.IsBodyHtml = true;
                m.Body = "test gmail";
                sc.Host = "smtp.gmail.com";
                sc.Port = 587;
                sc.Credentials = new System.Net.NetworkCredential("[email protected]","******");
                      
                sc.EnableSsl = true;
                sc.Send(m);
                Response.Write("Email Send successfully");
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
            }
    }
</script>
<html>
<body>
    <form runat="server">
        <asp:Label id="lblMessage" runat="server"></asp:Label>
    </form>
</body>
</html>

2. ASP.NET - VB.NET

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Net.Mail" %>
<script runat="server">
    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
  
        Dim strFrom = "[email protected]
        Dim strTo = "[email protected]"
        Dim MailMsg As New MailMessage(New MailAddress(strFrom.Trim()), New MailAddress(strTo))
        MailMsg.BodyEncoding = Encoding.Default
        MailMsg.Subject = "This is a test"
        MailMsg.Body = "This is a sample message using SMTP authentication"
        MailMsg.Priority = MailPriority.High
        MailMsg.IsBodyHtml = True
  
        Dim SmtpMail As New SmtpClient
        Dim basicAuthenticationInfo
        SmtpMail.Host = "smtp.gmail.com"
        SmtpMail.Port=587
        SmtpMail.DeliveryMethod = SmtpDeliveryMethod.Network
        SmtpMail.UseDefaultCredentials = False
        SmtpMail.Credentials = new System.Net.NetworkCredential("[email protected]","*******")
        SmtpMail.EnableSsl = true
        SmtpMail.Send(MailMsg)
        lblMessage.Text = "Mail Sent"    
    End Sub
</script>
<html>
<body>
    <form runat="server">
        <asp:Label id="lblMessage" runat="server"></asp:Label>
    </form>
</body>
</html>

3. PHP


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<body>
<?php
include("class.phpmailer.php"); //you have to upload class files "class.phpmailer.php" and "class.smtp.php"
 
$mail new PHPMailer();
 
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->SMTPSecure = "tls";
$mail->Host = "smtp.gmail.com";
$mail->Port = 587;
$mail->Username = "[email protected]";
$mail->Password = "********";
 
$mail->From = "[email protected]";
$mail->FromName = "demouser";
 
$mail->AddAddress("[email protected]","test");
$mail->Subject = "This is the subject";
$mail->Body = "This is the body";
$mail->WordWrap = 50;
$mail->IsHTML(true);
 
if(!$mail->Send()) {
echo "Mailer Error: " . $mail->ErrorInfo;
} else {
echo "Message has been sent";
}
?>
</body>
</html>
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