Email sending c# application

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C#

HTML

C#4.0

Hi All,

I am having an send email functionality in c# application.
Following is the code I am using to send email -

public static bool SendMail(string toList, string from, string ccList, string subject, string body)
       {
           bool flag = false;
           MailMessage message = new MailMessage();
           SmtpClient smtpClient = new SmtpClient();
           string msg = string.Empty;
           try
           {
               MailAddress fromAddress = new MailAddress(from);
               message.From = fromAddress;
               message.To.Add(toList);
               if (ccList != null && ccList != string.Empty)
                   message.CC.Add(ccList);
               message.Subject = subject;
               message.IsBodyHtml = true;
               message.Body = body;

               smtpClient.Host = "smtp.compName.org";
               smtpClient.Port = 587;
               smtpClient.EnableSsl = false;
               smtpClient.UseDefaultCredentials = true;
               smtpClient.Credentials = new System.Net.NetworkCredential(UserName,Password);
               smtpClient.Send(message);
               flag = true;

           }
           catch (Exception ex)
           {
               msg = ex.Message;

           }
           return flag;
       }

I am using the same function from more than 8 months. Suddenly what happens I didn't understand.

I am not getting any emails from my applications. It has log entries - Mail sent successfully.
There is no any exception.


From above code I have commented message.IsBodyHtml = true; this line and I am getting emails but its html code.

What is the problem I am not understanding!!!
I am using network solutions service to send email.

Please suggest , ASAP.

Thanks for your suggestions in advance.

Regards,
Avinash