public class EmailService {
    private readonly ILogger _logger;
    private readonly EmailOptions _emailOptions;

    public EmailService(ILogger<EmailService> logger, IOptions<ComponentOptions> componentOptions) {
        _logger = logger
            ?? throw new ArgumentNullException(nameof(logger));
        _emailOptions = componentOptions?.Value.Email
            ?? throw new ArgumentNullException($"{nameof(componentOptions)}.{nameof(componentOptions.Value.Email)}");
    }

    // Other methods not relevant to the question, such as actually sending the email
}