Sending mail using asp.net

Question

Hi , I have to send mail using private server. But i receive " Failure sending mail. " error My code private static void SendMail() { try { string SmtpHost = ConfigurationManager.AppSettings["SmtpHost"].ToString(); string SmtpFromMail = ConfigurationManager.AppSettings["SmtpFromMail"].ToString(); string SmtpFromMailPwd = ConfigurationManager.AppSettings["SmtpFromMailPwd"].ToString(); //foreach (DataRow dr in objDataTable.Rows) //{ MailMessage mail = new MailMessage(); mail.To.Add("jebinjuli24@gmail.com"); mail.From = new MailAddress(SmtpFromMail); //string EventName = DicEventTypeName[dr["Email"].ToString()]; mail.Subject = "Testing"; mail.Body = "Test"; SmtpClient smtp = new SmtpClient(); smtp.Host = SmtpHost; //Or Your SMTP Server Address smtp.Port = 25; smtp.Credentials = new System.Net.NetworkCredential(SmtpFromMail, SmtpFromMailPwd); // smtp.EnableSsl = true; smtp.Send(mail); }catch(Exception e) { } } Could you give any suggestion ? Thanks in advance !!

Sreekanth Reddy · Answer

Hi Jebin Dhanush, Try as like below for SmtpClient Class : SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587); smtp.EnableSsl = true; NetworkCredential netCre = new NetworkCredential(SmtpFromMail,SmtpFromMailPwd ); smtp.Credentials = netCre; smtp.EnableSsl = true; smtp.Send(mail); If it helps accept as answer.Else come up with your query. Thank you.

Amit Gupta · Answer

Note: if you are send mail from gmail then you must enable less secure app in your google setting https://myaccount.google.com/security

Madan Shekar · Answer

using send grid also you can send mail , go through bellow link https://sendgrid.com/docs/for-developers/sending-email/v3-csharp-code-example/ Create account and generate api key start to use code starts form here , any doubt ping me // using SendGrid's C# Library // https://github.com/sendgrid/sendgrid-csharp using SendGrid ; using SendGrid . Helpers . Mail ; using System ; using System . Threading . Tasks ; namespace Example { internal class Example { private static void Main ( ) { Execute ( ) . Wait ( ) ; } static async Task Execute ( ) { var apiKey = Environment . GetEnvironmentVariable ( "NAME_OF_THE_ENVIRONMENT_VARIABLE_FOR_YOUR_SENDGRID_KEY" ) ; var client = new SendGridClient ( apiKey ) ; var from = new EmailAddress ( "test@example.com" , "Example User" ) ; var subject = "Sending with SendGrid is Fun" ; var to = new EmailAddress ( "test@example.com" , "Example User" ) ; var plainTextContent = "and easy to do anywhere, even with C#" ; var htmlContent = " and easy to do anywhere, even with C# " ; var msg = MailHelper . CreateSingleEmail ( from , to , subject , plainTextContent , htmlContent ) ; var response = await client . SendEmailAsync ( msg ) ; } } }