MVC MailMessage not sending, no exception thrown

Question

I am running my site locally, testing the "Contact Us" page functionality. The emails are never coming through on the receiving end, but no expection is being thrown. When the user submits the form, here is the endpoint that gets called (I adapted most of this code from http://www.mikesdotnetting.com/article/268/how-to-send-email-in-asp-net-mvc):

[HttpPost]
public async Task contact(ContactUsViewModel inputModel)
{
    try 
    {
        string body =
            "Email from {0} ({1})" +
            "Date: {2}" +
            "Phone: {3}" +
            "Message:
{4}" +
            "
This email was generated by testsite.com";
        string to = ConfigurationManager.AppSettings["ContactUsEmailAddress"];
        MailMessage message = new MailMessage();
        message.To.Add(new MailAddress(to));
        message.From = new MailAddress(inputModel.Email);
        message.Subject = "Message from " + inputModel.Name;
        message.Body = String.Format(body, new string[]
            {
                inputModel.Name, inputModel.Email, DateTime.Now.ToLongDateString(), inputModel.Phone, inputModel.UserMessage
            }
        );
        message.IsBodyHtml = true;

        using (var smtp = new SmtpClient())
        {
            var credential = new NetworkCredential
            {
                UserName = ConfigurationManager.AppSettings["EmailServerUserName"],
                Password = ConfigurationManager.AppSettings["EmailServerPassword"]
            };
            smtp.Credentials = credential;
            smtp.Host = ConfigurationManager.AppSettings["EmailServerHost"];
            smtp.Port = Convert.ToInt32(ConfigurationManager.AppSettings["EmailServerPort"]);
            smtp.EnableSsl = true;
            await smtp.SendMailAsync(message);
            return View(new ContactUsViewModel(true)); //return to the same page, but with form now emptied.
                                                       //"true" param tells the model/Razor page to show a "Email sent" message
        }
    }
    catch (Exception ex)
    {
        // handle exception
    }
}

Here is my web.config. I haven't made any alterations to the default MVC template web.config, other than adding 5 new keys to the appSettings section, which are used to reference the email info.

This is my first site and my first time implementing email, so any help would be very much appreciated. Thanks.

EDIT: It probably goes without saying, but on my side, I have real credentials written into the ContactUsEmailAddress, EmailServerUserName, and EmailServerPassword fields of the web.config, not the dummy values I've included here.

Jacob Stamm · Accepted Answer

Referencing the article that @MRebati shared in his answer, I was able to get this working by switching from the manual appSettings keys in my web.config to the proper system.web > mailSettings > smtp settings.

MVC MailMessage not sending, no exception thrown

Answers (2)

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