public Task NotifyAsync(TeamFoundationRequestContext requestContext, INotification notification, BotElement bot, EventRuleElement matchingRule) { if (!notification.TargetUserNames.Any()) { return(Task.FromResult(0)); } var config = TfsNotificationRelaySection.Instance; string host = bot.GetSetting("host", "127.0.0.1"); int port = bot.GetIntSetting("port", 25); string fromAddress = bot.GetSetting("fromAddress"); string fromName = bot.GetSetting("fromName"); string subjectTextId = bot.GetSetting("subjectTextId", "plaintext"); bool isHtml = bot.GetSetting("isHtml") == "true"; var subjectTextElement = config.Texts.FirstOrDefault(t => t.Id == subjectTextId) ?? bot.Text; string subject = notification.ToMessage(bot, subjectTextElement, s => s).First(); var client = new SmtpClient(host, port); var message = new MailMessage(); message.From = new MailAddress(fromAddress, fromName, Encoding.UTF8); message.SubjectEncoding = Encoding.UTF8; message.Subject = subject; message.IsBodyHtml = isHtml; message.BodyEncoding = Encoding.UTF8; message.Body = string.Join(isHtml ? "<br/>": "\n", notification.ToMessage(bot, s => s)); var identityService = requestContext.GetService <ITeamFoundationIdentityService>(); foreach (var username in notification.TargetUserNames) { var identity = identityService.ReadIdentity(requestContext, IdentitySearchFactor.AccountName, username); var email = identityService.GetPreferredEmailAddress(requestContext, identity.TeamFoundationId); if (string.IsNullOrEmpty(email)) { string errmsg = $"TfsNotificationRelay.Smtp.SmtpNotifier: User {username} doesn't have an email address."; TeamFoundationApplicationCore.Log(requestContext, errmsg, 0, EventLogEntryType.Warning); } else { message.To.Add(email); } } if (message.To.Any()) { requestContext.Trace(0, TraceLevel.Info, Constants.TraceArea, "SmtpNotifier", string.Format("Sending {0} email notification to: {1}.", notification.GetType(), string.Join(", ", message.To.Select(m => m.Address)))); return(client.SendMailAsync(message)); } else { requestContext.Trace(0, TraceLevel.Warning, Constants.TraceArea, "SmtpNotifier", string.Format("No recipients to send {0} email notification to.", notification.GetType())); return(Task.FromResult(0)); } }