/// <summary>
/// This feature allows you to create a message template, and specify different replacement
/// strings for each specific recipient
/// </summary>
public void AddSubstitutionValues()
{
//create a new message object
var message = new SendGrid();
//set the message recipients
foreach (var recipient in _to)
{
message.AddTo(recipient);
}
//set the sender
message.From = new MailAddress(_from);
//set the message body
message.Text = "Hi %name%! Pleased to meet you!";
//set the message subject
message.Subject = "Testing Substitution Values";
//This replacement key must exist in the message body
var replacementKey = "%name%";
//There should be one value for each recipient in the To list
var substitutionValues = new List<String> {"Mr Foo", "Mrs Raz"};
message.AddSubstitution(replacementKey, substitutionValues);
//create an instance of the SMTP transport mechanism
var transportInstance = new Web(new NetworkCredential(_username, _password));
//enable bypass list management
message.EnableBypassListManagement();
//send the mail
transportInstance.Deliver(message);
}
