public Task <string> SendAsync(SmsCarrierId carrierId, string toNumber, string subject, string body = null)
{
// Send SMS via (FREE) email.
// NOTE: body is optional.
// Via email. Will impose an odd style on the Text message.
// Will look like: (empty subject is not allowed)
// FRM: email name
// SUBJ: xxx
// MSG: stuff in body. (optional)
// Any responses will be back to the sender email.
string formTo;
if (!_dicTo.TryGetValue(carrierId, out formTo))
{
return(Task.FromResult("Unknown carrier for free SMS sending."));
}
var msg = new EmailMessage(_mailFrom, false)
{
Subject = subject,
Body = body,
};
msg.AddMailTo(string.Format(formTo, toNumber));
return(_mailGateway.SendAsync(msg));
}
public static string GetEmailForm(SmsCarrierId carrierId)
{
// Get email gateway for SMS by provider. for Format("{0}",number).
// https://www.lifewire.com/sms-gateway-from-email-to-sms-text-message-2495456
string formTo;
if (_dicTo.TryGetValue(carrierId, out formTo))
{
return(formTo);
}
return(null);
}
