public static void SendEmail(string smtpServerAddress, string smtpUser, string smtpPassword, int smtpPort, string toEmailAddress, string fromEmailAddress, string subject, string body, string fileName, bool deleteFile, bool bypassSslErrors) { var mail = new MailMessage(); var smtpServer = new SmtpClient(smtpServerAddress); try { mail.From = new MailAddress(fromEmailAddress); mail.To.Add(toEmailAddress); mail.Subject = subject; mail.Body = body; if (!string.IsNullOrEmpty(fileName)) { fileName.Split(',').ToList().ForEach(x => mail.Attachments.Add(new Attachment(x))); } smtpServer.Port = smtpPort; smtpServer.Credentials = new NetworkCredential(smtpUser, smtpPassword); smtpServer.EnableSsl = true; if (bypassSslErrors) { ServicePointManager.ServerCertificateValidationCallback = delegate(object s, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return(true); } } ; smtpServer.Send(mail); } catch (Exception e) { AppServices.LogError(e); } finally { if (deleteFile && !string.IsNullOrEmpty(fileName)) { fileName.Split(',').ToList().ForEach( x => { if (File.Exists(x)) { try { File.Delete(x); } catch (Exception) { } } }); } } }