public static void SendMail(string from, string to, string subject, string message)
{
var client = new SendGridClient(EnvironmentHelper.GetInfoFromConfig("sendGridToken"));
var fromMail = new EmailAddress(string.IsNullOrEmpty(from) ? EnvironmentHelper.GetInfoFromConfig("defaultFromMail") : from);
var toMails = (string.IsNullOrEmpty(to) ? EnvironmentHelper.GetInfoFromConfig("toMails") : to)
.Split(',')
.Select(s => new EmailAddress(s.Trim()));
try
{
var multiMessage = MailHelper.CreateMultipleEmailsToMultipleRecipients(fromMail, toMails.ToList(), new List <string>(Enumerable.Repeat(subject, toMails.Count())), string.Empty, message.ToString(), null);
client.SendEmailAsync(multiMessage).GetAwaiter().GetResult();
}
catch (Exception)
{
foreach (var mail in toMails)
{
var msg = MailHelper.CreateSingleEmail(fromMail, mail, subject, string.Empty, message);
client.SendEmailAsync(msg).GetAwaiter().GetResult();
}
}
}
public async Task <HttpStatusCode> SendMultipleMailToMultipleEmail(List <string> subject, string plaintextContent, string htmlContent, List <EmailAddress> emails, List <Dictionary <string, string> > substitute)
{
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(client.From, emails, subject, plaintextContent, htmlContent, substitute);
var res = await client.GridClient.SendEmailAsync(msg);
return(res.StatusCode);
}
public async Task SendGridEmailSend(string FromAdressTitle, string FromAddress, string ToAdressTitle, string ToAddress, string CcAddress, string Subject, string BodyContent)
{
var apiKey = Environment.GetEnvironmentVariable("SENDGRID_KEY");
var client = new SendGridClient(apiKey);
var from = new EmailAddress(FromAddress, FromAdressTitle);
var subject = new List <string>()
{
Subject, Subject
};
var tos = new List <EmailAddress>()
{
new EmailAddress(ToAddress, ToAdressTitle),
new EmailAddress(CcAddress)
};
//var to = new EmailAddress(ToAddress, ToAdressTitle);
var plainTextContent = " ";
var htmlContent = BodyContent;
try
{
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(from, tos, subject, plainTextContent, htmlContent, new List <Dictionary <string, string> >()
{
});
var response = await client.SendEmailAsync(msg);
}
catch (Exception ex)
{ }
}
public async Task SendEmailBulkAsync(List <string> tos, List <string> subjects, string htmlMessage, List <Dictionary <string, string> > substitutions, string fromEmail = null)
{
string fromName = "Tellma";
fromEmail ??= _config.DefaultFromEmail;
string sendGridApiKey = _config.ApiKey;
var client = new SendGridClient(sendGridApiKey);
var from = new EmailAddress(fromEmail, fromName);
var toAddresses = tos.Select(e => new EmailAddress(e)).ToList();
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(
from, toAddresses, subjects, "", htmlMessage, substitutions);
var response = await client.SendEmailAsync(msg);
// Handle returned errors
if (response.StatusCode == HttpStatusCode.TooManyRequests)
{
// SendGrid has a quota depending on your subscription, on a free account you only get 100 emails per day
throw new InvalidOperationException("The SendGrid subscription configured in the system has reached its limit, please contact support");
}
if (response.StatusCode >= HttpStatusCode.BadRequest)
{
string responseMessage = await response.Body.ReadAsStringAsync();
_logger.LogError($"Error sending email through SendGrid, Status Code: {response.StatusCode}, Message: {responseMessage}");
throw new InvalidOperationException($"The SendGrid API returned an unknown error {response.StatusCode} when trying to send the email through it");
}
}
private async Task SendEmailCore(int companyId, List <EmailAddress> recipients,
bool useTemplate, object?templateData,
List <string>?subjects, string?plainTextContent, string?htmlContent,
List <Dictionary <string, string> >?substitutions,
string?uniqueArgument, string?uniqueArgumentValue,
DateTime?sendAt)
{
var sendGridAccount = await GetAccount(companyId);
var from = new EmailAddress(sendGridAccount.FromEmail, sendGridAccount.FromEmailName);
if (!string.IsNullOrEmpty(sendGridAccount.Bcc))
{
recipients.Add(new EmailAddress(sendGridAccount.Bcc));
subjects?.Add(subjects.Last());
substitutions?.Add(substitutions.Last());
}
SendGridMessage sendGridMessage;
if (useTemplate)
{
sendGridMessage =
MailHelper.CreateSingleTemplateEmailToMultipleRecipients(from, recipients,
sendGridAccount.TemplateId, templateData);
}
else
{
sendGridMessage = MailHelper.CreateMultipleEmailsToMultipleRecipients(from, recipients, subjects,
plainTextContent, htmlContent, substitutions);
}
if (uniqueArgument != null && uniqueArgumentValue != null)
{
foreach (var personalization in sendGridMessage.Personalizations)
{
personalization.CustomArgs = new Dictionary <string, string>
{
{ uniqueArgument, uniqueArgumentValue }
};
}
}
if (sendAt != null)
{
sendGridMessage.SendAt = new DateTimeOffset(sendAt.Value).ToUnixTimeSeconds();
}
await Send(sendGridAccount, sendGridMessage);
}
private async Task DoWork()
{
var userManager = UserManager;
var users = userManager.Users.ToList();
var apiKey = Environment.GetEnvironmentVariable("SENDGRID_API_KEY");
var client = new SendGridClient(apiKey);
var from = new EmailAddress("*****@*****.**", "Ben Womble");
var subject =
"OutCast Weekly Reminder";
var plainTextContent =
"Come see if there are any new events posted this week!.\n\n\n\n{unsubscribe}";
var htmlContent =
"<strong>Come see if there are any new events posted this week!</strong>" +
"<br><br><a href='{unsubscribe}'>Unsubscribe</a>";
var substitutions =
users.Select(x => new Dictionary <string, string>()
{
{ "{name}", x.UserName },
{ "{email}", x.Email },
{ "{unsubscribe}", x.UnsubscribeUrl },
})
.ToList();
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(
from,
users.Select(x => new EmailAddress(x.UserName, x.Email)).ToList(),
users.Select(x => subject).ToList(),
plainTextContent,
htmlContent,
substitutions);
await client.SendEmailAsync(msg);
var result = await client.SendEmailAsync(msg);
if (result.StatusCode != HttpStatusCode.Accepted)
{
throw new Exception($"Failed to send email: {result.StatusCode}");
}
Debug.WriteLine("Newsletter Sent");
}
public SendGrid.Response SendToAllSurveyMembers(int adminId, int surveyId)
{
var survey = _context.Surveys
.Include(s => s.Admin)
.Include(s => s.Clients)
.Single(s => s.Id == surveyId && s.AdminId == adminId);
var surveyInfo = survey.Info.ToObject();
var surveyStart = surveyInfo.SelectToken("availability").Value <DateTime>("start");
var surveyEnd = surveyInfo.SelectToken("availability").Value <DateTime>("end");
var from = _noreplyAddr;
var tos = survey.Clients
.Select(c => {
var name = c.Info.ToObject().Value <string>("name");
return(new EmailAddress(c.Email, name));
})
.ToList();
var subjects = survey.Clients.Select(c =>
$"Incoming survey from " +
$"{c.Survey.Admin.Info.ToObject().Value<string>("name") ?? "Unnamed"}" +
$" @surveygorilla.com").ToList();
var link = $"{_Request.Scheme }://{_Request.Host}{_Request.PathBase}/#!/token";
var htmlContent =
$"Survey name: -surveyName-<br>" +
$"Available from -surveyStart- to -surveyEnd-<br>" +
$"Access the survey here:<br>" +
$"<a href=\"-tokenLink-\">-tokenLink-</a><br>" +
$"Your name: -clientName-";
var substitutions = survey.Clients.Select(c => new Dictionary <string, string>
{
{ "-surveyName-", c.Survey.Name },
{ "-surveyStart-", surveyStart.ToString() },
{ "-surveyEnd-", surveyEnd.ToString() },
{ "-tokenLink-", $"{link}/{c.Token}" },
{ "-clientName-", c.Info.ToObject().Value <string>("name") },
}).ToList();
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(from, tos, subjects, null, htmlContent, substitutions);
var gridClient = new SendGridClient(SendGridApiKey);
var response = gridClient.SendEmailAsync(msg).Result;
return(response);
}
public async Task <bool> SendAsync(string from, ICollection <string> to, string subject, string body, bool html)
{
//if (string.IsNullOrWhiteSpace(from))
// throw new ArgumentNullException(nameof(from));
if (to?.Any() != true)
{
throw new ArgumentNullException(nameof(to));
}
var emailFrom = from != null ? new EmailAddress(from) : null;
var emailTo = to.Select(x => new EmailAddress(x)).ToList();
var subjects = to.Select(x => subject).ToList();
var subs = to.Select(x => new Dictionary <string, string>()).ToList();
try
{
var msg = MailHelper.CreateMultipleEmailsToMultipleRecipients(emailFrom, emailTo, subjects, body, html ? body : null, subs);
var response = await _client.SendEmailAsync(msg);
// For better response handling visit https://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/errors.html
if ((int)response.StatusCode >= 200 && ((int)response.StatusCode <= 299))
{
//_logger.Debug("Email sent successfully");
return(true);
}
else
{
var content = await response.Body.ReadAsStringAsync();
//_logger.Error($"Error sending email: \nStatusCode: {response.StatusCode}\nResponse: {content}");
return(false);
}
}
catch (Exception)
{
//_logger.Error("Error sending email", exception);
return(false);
}
}