Microsoft 365 邮箱

{
  "EnterpriseMail": {
    "Microsoft365": {
      "TenantId": "your-tenant-id",
      "ClientId": "your-client-id",
      "ClientSecret": "your-client-secret",
      "DefaultUserEmail": "user@your-domain.com"
    }
  }
}

// ① 配置节绑定
builder.Services.AddBitzsoftMicrosoft365Mail(builder.Configuration.GetSection("EnterpriseMail:Microsoft365"));

// ② 委托配置
builder.Services.AddBitzsoftMicrosoft365Mail(options =>
{
    options.TenantId = "your-tenant-id";
    options.ClientId = "your-client-id";
    options.ClientSecret = "your-client-secret";
    options.DefaultUserEmail = "user@your-domain.com";
});

public class GraphMailService(IEnterpriseMailProvider mail)
{
    public async Task<Stream> DownloadAttachmentAsync(string messageId, string attachmentId)
    {
        return await mail.DownloadAttachmentAsync(messageId, attachmentId);
    }

    public async Task MoveAsync(string messageId, string targetFolderId)
    {
        await mail.MoveMessageAsync(messageId, targetFolderId);
    }
}