[SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: Authentication required]
System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) +2533041
System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) +55
System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) +126
System.Net.Mail.SmtpClient.Send(MailMessage message) +2722
Search_Marriage.fillgrid() +27041
Search_Marriage.Page_Load(Object sender, EventArgs e) +639
System.Web.UI.Control.OnLoad(EventArgs e) +109
System.Web.UI.Control.LoadRecursive() +68
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436
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