Azure Communication Service - .NET Client with Managed Identity

1using Azure.Communication.Email
2
3// create instance
4EmailClient mailClient = new(new Uri(yourEndpointAddress), new DefaultAzureCredential());
5
6// send mail
7EmailSendOperation emailSendOperation = await mailClient.SendAsync(
8    Azure.WaitUntil.Completed, fromAddress, toMailAddress, subject, htmlBody, plainTextContent: null, cancellationToken)
9    .ConfigureAwait(false);

 1public sealed class AzureCommunicationServiceEMailClient
 2{
 3    private readonly EmailClient _mailClient;
 4    private readonly EMailOptions _emailOptions;
 5    private readonly CommunicationServiceOptions _acsOptions;
 6
 7    public AzureCommunicationServiceEMailClient(
 8        IOptions<EMailOptions> emailOptions,
 9        IOptions<CommunicationServiceOptions> acsOptions)
10    {
11        _emailOptions = emailOptions.Value;
12        _acsOptions = acsOptions.Value;
13
14        _mailClient = new(_acsOptions.Endpoint);
15    }
16
17    public async Task Send(string toMailAddress, string subject, string htmlBody, CancellationToken ct)
18    {
19        string fromAddress = _emailOptions.FromAddress;
20
21        await _mailClient.SendAsync(
22            Azure.WaitUntil.Completed, fromAddress, toMailAddress, subject, htmlBody, plainTextContent: null, ct);
23    }
24}

 1public class EMailOptions
 2{
 3    [Required]
 4    [EmailAddress]
 5    public string FromAddress { get; set; } = null!;
 6}
 7
 8public class CommunicationServiceOptions
 9{
10    [Required]
11    public string Endpoint { get; set; } = null!; // https://<your-communication-service>.<region>.communication.azure.com
12}