public async Task EventTest()
{
/* Arrange */
var client = new SmtpClient("email-smtp.us-east-1.amazonaws.com", 587)
{
Credentials =
new NetworkCredential("AKIAIU3L5KJH6W777CRA", "Akjr30PTOD1Q2NyqjjkeDuUaxk4ralbrPp2VbT4FnD4u"),
EnableSsl = true
};
client.ProgressChanged += ClientOnProgressChanged;
var froms = new List <string>();
/* Act */
for (var i = 0; i < Count; i++)
{
froms.Add("*****@*****.**");
}
await client.SendBulkMailAsync("*****@*****.**", froms, "Test", "Test");
}