使用Azure通信服务中电子邮件通信服务资源发送邮件

// This code demonstrates how to fetch your connection string
// from an environment variable.
string connectionString = Environment.GetEnvironmentVariable("COMMUNICATION_SERVICES_CONNECTION_STRING");
EmailClient emailClient = new EmailClient(connectionString);
//Replace with your domain and modify the content, recipient details as required


EmailContent emailContent = new EmailContent("Welcome to Azure Communication Service Email APIs.");
emailContent.PlainText = "This email message is sent from Azure Communication Service Email using .NET SDK.";
List<EmailAddress> emailAddresses = new List<EmailAddress> { new EmailAddress("emailalias@contoso.com") { DisplayName = "Friendly Display Name" }};
EmailRecipients emailRecipients = new EmailRecipients(emailAddresses);
EmailMessage emailMessage = new EmailMessage("donotreply@xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.azurecomm.net", emailContent, emailRecipients);
SendEmailResult emailResult = emailClient.Send(emailMessage,CancellationToken.None);
Response<SendStatusResult> messageStatus = null;
messageStatus = emailClient.GetSendStatus(emailResult.MessageId);
Console.WriteLine($"MessageStatus = {messageStatus.Value.Status}");
TimeSpan duration = TimeSpan.FromMinutes(3);
long start = DateTime.Now.Ticks;
do
{
    messageStatus = emailClient.GetSendStatus(emailResult.MessageId);
    if (messageStatus.Value.Status != SendStatus.Queued)
    {
        Console.WriteLine($"MessageStatus = {messageStatus.Value.Status}");
        break;
    }
    Thread.Sleep(10000);
    Console.WriteLine($"...");


} while (DateTime.Now.Ticks - start < duration.Ticks);