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; using System.Net.Mime; public partial class _Default : System.Web.UI.Page { MailMessage mail = new MailMessage(); private void clear() { TextBox2.Text = ""; TextBox4.Text = ""; TextBox5.Text = ""; } protected void Button2_Click(object sender, EventArgs e) { { { SmtpClient mailserver = new SmtpClient(); mailserver.Credentials = new System.Net.NetworkCredential ("francis@protonbpo.com", "*******"); // mailserver.Port = 587; //gmail port: 587 mailserver.Host = "smtpout.asia.secureserver.net"; // "smtpout.asia.secureserver.net"; // //"smtp.secureserver.net" "smtp.gmail.com"; mailserver.EnableSsl = false; mail = new MailMessage(); String[] addr = TextBox2.Text.Split(','); try { mail.From = new MailAddress("noreply@noreply.net", "HI", System.Text.Encoding.UTF8); Byte i; for (i = 0; i < addr.Length; i++) mail.To.Add(addr[i]); mail.Subject = TextBox4.Text; mail.Body = TextBox5.Text; mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure; mail.ReplyTo = new MailAddress(TextBox2.Text); mailserver.Send(mail); Label1.Visible = true; Label1.Text = "Hi Your Massage Has been sent"; clear(); } catch (Exception ex) { Label1.Visible = true; Label1.Text = "mail not sent "+ ex.ToString(); } } } } protected void Button1_Click (object sender, EventArgs e) { clear(); } }
mail not sent System.Net.Mail.SmtpFailedRecipientExcep… Mailbox name not allowed. The server response was: sorry, relaying denied from your location [183.83.83.176] (#5.7.1) at System.Net.Mail.SmtpTransport.SendMail(M… sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMess… message) at _Default.Button2_Click(Object sender, EventArgs e) in
var
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