After sending the mail this error will occured please any one can help me "An erros has occured: The server rejected the sender address. The server response was: 550 Access denied - Invalid HELO...

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An erros has occured: The server rejected the sender address. The server response was: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

Posted 29-Nov-12 17:57pm

Gujula Ravindra Reddy

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Anele Ngqandu 30-Nov-12 6:11am

Where is your code?

2 solutions

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Krunal Rohit · Answer 1 · 2012-11-29T18:03:00

Solution 1

A “550 Access Denied – Invalid HELO name” SMTP error usually occurs when the SMTP Domain configured as part of an email sender’s identity does not match the senders email address. So based on that make changes in your code...

Posted 29-Nov-12 18:03pm

Krunal Rohit

v2

MrugeshPatel · Answer 2 · 2012-11-29T18:08:00

send email with secure connection. use this code for sending email.

public bool SendEmialWithSecure(string ToEmailId, string FromEmailId, string FromName, string SenderEmailId,
string SenderName, string Subject, string MailBody, string SMTPHost, Int32 SMTPPort,
string CredentialEmailId, string CredentialPassword)
{
System.Net.Mail.MailMessage ResetPassMail = new System.Net.Mail.MailMessage();
SmtpClient SmtpServer = new SmtpClient();
ResetPassMail.To.Add(new MailAddress(ToEmailId));
ResetPassMail.From = new MailAddress(FromEmailId, FromName);
ResetPassMail.Sender = new MailAddress(SenderEmailId, SenderName);
ResetPassMail.Subject = Subject;
ResetPassMail.IsBodyHtml = true;
ResetPassMail.Body = MailBody;
ResetPassMail.Priority = System.Net.Mail.MailPriority.High;

SmtpServer.Host = SMTPHost;
SmtpServer.Port = SMTPPort;
SmtpServer.Credentials = new NetworkCredential(CredentialEmailId, CredentialPassword);
SmtpServer.DeliveryMethod = SmtpDeliveryMethod.Network;
try
{
SmtpServer.Send(ResetPassMail);
return true;
}
catch (SmtpException smtpExe)
{
throw new Exception("Message :" + smtpExe.Message + " Details : " + smtpExe.ToString());
}

}