private static string SendWithMailGun(MailRequest request)
{
string url = "https://api.mailgun.net/v3/sandbox0907136a6f2b4518a84b6e3a9bf786d6.mailgun.org/messages";
using (var client = new WebClient())
{
client.Headers.Add("Authorization", "Basic xxxxxxxxxxxxxxxxxxxxxxxx");
// above xxxxx should be replace with your id, also would be good to have this in config than hard coding
var data = new NameValueCollection();
data.Add("from", "Mailgun Sandbox <*****@*****.**>");
if (string.IsNullOrEmpty(request.Cc))
{
data.Add("to", request.To);
}
if (!string.IsNullOrEmpty(request.Cc))
{
data.Add("cc", request.Cc);
}
if (!string.IsNullOrEmpty(request.Bcc))
{
data.Add("bcc", request.Bcc);
}
data.Add("subject", request.Subject);
data.Add("text", request.Message);
var result = client.UploadValues(url, data);
//return Encoding.ASCII.GetString(result);
JObject jResponse = JObject.Parse(Encoding.ASCII.GetString(result));
var message = jResponse["message"].ToString();
return((message == "Queued. Thank you.") ? "Accepted" : message);
}
}
private static string SendWithSendGrid(MailRequest request)
{
StringBuilder sbCc = new StringBuilder("");
if (!string.IsNullOrEmpty(request.Cc))
{
sbCc.Append(",\"cc\": [");
foreach (string cc in request.Cc.Split(','))
{
{
sbCc.Append("{\"email\": \"" + cc
+ "\"},");
}
sbCc.Append("]");
}
}
if (!string.IsNullOrEmpty(request.Bcc))
{
sbCc.Append(",\"bcc\": [");
foreach (string bcc in request.Bcc.Split(','))
{
{
sbCc.Append("{\"email\": \"" + bcc
+ "\"},");
}
sbCc.Append("]");
}
}
var httpWebRequest = (HttpWebRequest)WebRequest.Create("https://api.sendgrid.com/v3/mail/send");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
httpWebRequest.Headers.Add("Authorization", "Bearer xxxxxxxxxxxxxxxxxxxxx");
// above xxxxx should be replace with your id, also would be good to have this in config than hard coding
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"personalizations\": ["
+ "{\"to\": [{\"email\": \"" + request.To
+ "\"}]"
+ sbCc.ToString()
+ "}]"
+ ",\"from\": {\"email\": \"[email protected]\"},\"subject\": \"" +
request.Subject + "\",\"content\": [{\"type\": \"text/plain\", \"value\": \"" +
request.Message + "\"}]}";
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
return(httpResponse.StatusCode.ToString());
}
public IHttpActionResult SendMail(MailRequest request)
{
var response = Untilities.SenMail(request);
if (response.Key)
{
return(Ok());
}
else
{
IHttpActionResult result = InternalServerError(new Exception("Unable to send mail. Please try again later."));
return(result);
}
}
public static KeyValuePair <bool, string> SenMail(MailRequest request)
{
try
{
var sendResponse = SendWithSendGrid(request);
if (sendResponse != "Accepted")
{
//send using the other one
sendResponse = SendWithMailGun(request);
if (sendResponse != "Accepted")
{
return(new KeyValuePair <bool, string>(false, "Unable to send mail"));
}
else
{
return(new KeyValuePair <bool, string>(true, ""));
}
}
else
{
return(new KeyValuePair <bool, string>(true, ""));
}
}
catch (Exception exGrid)
{
// log exception
try
{
//send using the other method
var mailGunResponse = SendWithMailGun(request);
if (mailGunResponse == "Accepted")
{
return(new KeyValuePair <bool, string>(true, ""));
}
else
{
return(new KeyValuePair <bool, string>(false, "Unable to send mail"));
}
}
catch (Exception exGun)
{
//log exception
return(new KeyValuePair <bool, string>(false, "Unable to send mail"));
}
}
}
