Use CreateEmailIdentity with an AWS SDK

    /// <summary>
    /// Creates an email identity (email address or domain) and starts the verification process.
    /// </summary>
    /// <param name="emailIdentity">The email address or domain to create and verify.</param>
    /// <returns>The response from the CreateEmailIdentity operation.</returns>
    public async Task<CreateEmailIdentityResponse> CreateEmailIdentityAsync(string emailIdentity)
    {
        var request = new CreateEmailIdentityRequest
        {
            EmailIdentity = emailIdentity
        };

        try
        {
            var response = await _sesClient.CreateEmailIdentityAsync(request);
            return response;
        }
        catch (AlreadyExistsException ex)
        {
            Console.WriteLine($"Email identity {emailIdentity} already exists.");
            Console.WriteLine(ex.Message);
            throw;
        }
        catch (ConcurrentModificationException ex)
        {
            Console.WriteLine($"The email identity {emailIdentity} is being modified by another operation or thread.");
            Console.WriteLine(ex.Message);
            throw;
        }
        catch (LimitExceededException ex)
        {
            Console.WriteLine("The limit for email identities has been exceeded.");
            Console.WriteLine(ex.Message);
            throw;
        }
        catch (NotFoundException ex)
        {
            Console.WriteLine($"The email identity {emailIdentity} does not exist.");
            Console.WriteLine(ex.Message);
            throw;
        }
        catch (TooManyRequestsException ex)
        {
            Console.WriteLine("Too many requests were made. Please try again later.");
            Console.WriteLine(ex.Message);
            throw;
        }
        catch (Exception ex)
        {
            Console.WriteLine($"An error occurred while creating the email identity: {ex.Message}");
            throw;
        }
    }

    try {
      CreateEmailIdentityRequest createEmailIdentityRequest = CreateEmailIdentityRequest.builder()
          .emailIdentity(verifiedEmail)
          .build();
      sesClient.createEmailIdentity(createEmailIdentityRequest);
      System.out.println("Email identity created: " + verifiedEmail);
    } catch (AlreadyExistsException e) {
      System.out.println("Email identity already exists, skipping creation: " + verifiedEmail);
    } catch (NotFoundException e) {
      System.err.println("The provided email address is not verified: " + verifiedEmail);
      throw e;
    } catch (LimitExceededException e) {
      System.err
          .println("You have reached the limit for email identities. Please remove some identities and try again.");
      throw e;
    } catch (SesV2Exception e) {
      System.err.println("Error creating email identity: " + e.getMessage());
      throw e;
    }

class SESv2Wrapper:
    """Encapsulates Amazon SESv2 email sending actions."""

    def __init__(self, sesv2_client: Any) -> None:
        """
        Initializes the SESv2Wrapper with an SESv2 client.

        :param sesv2_client: A Boto3 SESv2 client.
        """
        self.sesv2_client = sesv2_client

    @classmethod
    def from_client(cls) -> "SESv2Wrapper":
        """
        Creates an SESv2Wrapper instance with a default Boto3 SESv2 client.

        :return: A new SESv2Wrapper instance.
        """
        sesv2_client = boto3.client("sesv2")
        return cls(sesv2_client)


    def create_email_identity(self, email_address: str) -> Dict[str, Any]:
        """
        Starts the process of verifying an email identity (email address or domain).

        :param email_address: The email address or domain to verify.
        :return: A dictionary with the identity type and verification status.
        :raises ClientError: If the limit is exceeded (LimitExceededException).
        """
        try:
            response = self.sesv2_client.create_email_identity(
                EmailIdentity=email_address
            )
            logger.info(
                "Started verification for email identity %s.", email_address
            )
            return response
        except ClientError as err:
            if err.response["Error"]["Code"] == "LimitExceededException":
                logger.error(
                    "Couldn't create email identity %s. You have exceeded "
                    "the maximum number of email identities. "
                    "Use an existing verified identity.",
                    email_address,
                )
            else:
                logger.error(
                    "Couldn't create email identity %s. Here's why: %s: %s",
                    email_address,
                    err.response["Error"]["Code"],
                    err.response["Error"]["Message"],
                )
            raise

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.create_email_identity(EmailIdentity=self.verified_email)
            print(f"Email identity '{self.verified_email}' created successfully.")
        except ClientError as e:
            # If the email identity already exists, skip and proceed
            if e.response["Error"]["Code"] == "AlreadyExistsException":
                print(f"Email identity '{self.verified_email}' already exists.")
            else:
                raise e

        match self
            .client
            .create_email_identity()
            .email_identity(self.verified_email.clone())
            .send()
            .await
        {
            Ok(_) => writeln!(self.stdout, "Email identity created successfully.")?,
            Err(e) => match e.into_service_error() {
                CreateEmailIdentityError::AlreadyExistsException(_) => {
                    writeln!(
                        self.stdout,
                        "Email identity already exists, skipping creation."
                    )?;
                }
                e => return Err(anyhow!("Error creating email identity: {}", e)),
            },
        }

    TRY.
        lo_se2->createemailidentity(
          iv_emailidentity = iv_email_identity ).
        MESSAGE 'Email identity created successfully.' TYPE 'I'.
      CATCH /aws1/cx_se2alreadyexistsex.
        MESSAGE 'Email identity already exists.' TYPE 'I'.
      CATCH /aws1/cx_se2badrequestex INTO DATA(lo_bad_request).
        MESSAGE lo_bad_request TYPE 'I' DISPLAY LIKE 'E'.
      CATCH /aws1/cx_se2limitexceededex INTO DATA(lo_limit_exceeded).
        MESSAGE lo_limit_exceeded TYPE 'I' DISPLAY LIKE 'E'.
    ENDTRY.