sending mail in asp.net

Solution:

a) go to gmail security center via this link blow or google search for “gmail secrity” and login with your gmail account
https://accounts.google.com/ServiceLogin?elo=1

b) next to “security” / “Recent activity” , click to “view all events”

c) You will able to see “Unusual Activity” , it will show all unusual activity events, select related event and approval it via click ” Yes, That was me!”


// Click allow access to your Google account

d) https://accounts.google.com/DisplayUnlockCaptcha[^]

using (MailMessage mm = new MailMessage("from email", "To email")
               {

                   StreamReader reader = new StreamReader(System.Web.HttpContext.Current.Server.MapPath("~/HtmlPage.html"));
                   string readFile = reader.ReadToEnd();
                   string myString = "";
                   myString = readFile;
                   string fname=dttemp.Rows[0][1].ToString();
                   myString = myString.Replace("$$fname$$", fname);
                   mm.Subject = "Your Subject";
                   mm.Body = myString.ToString();
                   mm.IsBodyHtml = true;
                   SmtpClient smtp = new SmtpClient();
                   smtp.Host = "smtp.gmail.com";
                   smtp.EnableSsl = true;
                   NetworkCredential NetworkCred = new NetworkCredential("from Email", "From Password");
                   smtp.UseDefaultCredentials = false;
                   smtp.Credentials = NetworkCred;
                   smtp.Port = 587;
                   smtp.Send(mm);

               }