an AWS SDK DeleteEmailIdentityで使用する

    /// <summary>
    /// Deletes an email identity (email address or domain).
    /// </summary>
    /// <param name="emailIdentity">The email address or domain to delete.</param>
    /// <returns>True if successful.</returns>
    public async Task<bool> DeleteEmailIdentityAsync(string emailIdentity)
    {
        var request = new DeleteEmailIdentityRequest
        {
            EmailIdentity = emailIdentity
        };

        try
        {
            var response = await _sesClient.DeleteEmailIdentityAsync(request);
            return response.HttpStatusCode == HttpStatusCode.OK;
        }
        catch (ConcurrentModificationException ex)
        {
            Console.WriteLine($"The email identity {emailIdentity} is being modified by another operation or thread.");
            Console.WriteLine(ex.Message);
        }
        catch (NotFoundException ex)
        {
            Console.WriteLine($"The email identity {emailIdentity} does not exist.");
            Console.WriteLine(ex.Message);
        }
        catch (TooManyRequestsException ex)
        {
            Console.WriteLine("Too many requests were made. Please try again later.");
            Console.WriteLine(ex.Message);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"An error occurred while deleting the email identity: {ex.Message}");
        }

        return false;
    }

      try {
        // Delete the email identity
        DeleteEmailIdentityRequest deleteIdentityRequest = DeleteEmailIdentityRequest.builder()
            .emailIdentity(this.verifiedEmail)
            .build();

        sesClient.deleteEmailIdentity(deleteIdentityRequest);

        System.out.println("Email identity deleted: " + this.verifiedEmail);
      } catch (NotFoundException e) {
        // If the email identity does not exist, log the error and proceed
        System.out.println("Email identity not found. Skipping deletion...");
      } catch (Exception e) {
        System.err.println("Error occurred while deleting the email identity: " + e.getMessage());
        e.printStackTrace();
      }
    } else {
      System.out.println("Skipping email identity deletion.");
    }

def main():
    """
    The main function that orchestrates the execution of the workflow.
    """
    print(INTRO)
    ses_client = boto3.client("sesv2")
    workflow = SESv2Workflow(ses_client)
    try:
        workflow.prepare_application()
        workflow.gather_subscriber_email_addresses()
        workflow.send_coupon_newsletter()
        workflow.monitor_and_review()
    except ClientError as e:
        print_error(e)
    workflow.clean_up()



class SESv2Workflow:
    """
    A class to manage the SES v2 Coupon Newsletter Workflow.
    """

    def __init__(self, ses_client, sleep=True):
        self.ses_client = ses_client
        self.sleep = sleep


            try:
                self.ses_client.delete_email_identity(EmailIdentity=self.verified_email)
                print(f"Email identity '{self.verified_email}' deleted successfully.")
            except ClientError as e:
                # If the email identity doesn't exist, skip and proceed
                if e.response["Error"]["Code"] == "NotFoundException":
                    print(f"Email identity '{self.verified_email}' does not exist.")
                else:
                    print(e)

            match self
                .client
                .delete_email_identity()
                .email_identity(self.verified_email.clone())
                .send()
                .await
            {
                Ok(_) => writeln!(self.stdout, "Email identity deleted successfully.")?,
                Err(e) => {
                    return Err(anyhow!("Error deleting email identity: {}", e));
                }
            }