more fixes

                self.respond(403, 'this username is not allowed')

                return

        # create account via postfixadmin ssh

        ssh = paramiko.SSHClient()

        with paramiko.SSHClient() as ssh:

            ssh.set_missing_host_key_policy(paramiko.MissingHostKeyPolicy)

            ssh.connect(hostname='postfixadmin', username='pfexec', password=os.environ['POSTFIXADMIN_SSH_PASSWORD'])

        ftp = ssh.open_sftp()

        temp_file_name = '/tmp/' + target_username + target_email.split('@')[0] + '-details'

        temp_file = ftp.file(temp_file_name, 'w')

        temp_file.write(f'{target_email}\n{password}\n{password_confirm}\n{displayname}\n{email_quota}')

        temp_file.flush()

        temp_file.close()

        ftp.close()

        stdin, stdout, stderr = ssh.exec_command('cat ' + temp_file_name + ' | /usr/local/bin/wrapper.sh')

            stdin, stdout, stderr = ssh.exec_command(f'/postfixadmin/scripts/postfixadmin-cli mailbox view "{target_email}"')

            if "error: the email is not valid!" in stderr.read().lower():

                self.respond(403, 'this username is already used')

                return

            ssh.exec_command(f'/postfixadmin/scripts/postfixadmin-cli mailbox add "{target_email}" ' +

                             f'--password "{password}" --password2 {password_confirm} --name "{displayname}" ' +

                             f'--quota {email_quota} --active 1 --welcome-mail 0')

            print(stdout.read())

            print(stderr.read())

            print(f'exit code: {stdout.channel.recv_exit_status()}')

        # TODO: check exit code, handle errors

        # TODO: commented for now to check the file

        #ssh.exec_command('rm ' + temp_file_name)

            # TODO: handle errors

        # Edit nextcloud account, set quota and email

        auth = HTTPBasicAuth(os.environ['NEXTCLOUD_ADMIN_USER'], os.environ['NEXTCLOUD_ADMIN_PASSWORD'])

        url = 'http://nextcloud/ocs/v1.php/cloud/users/' + target_email

        url = f'https://drive.{os.environ["DOMAIN"]}/ocs/v1.php/cloud/users/' + target_email

        headers = {'OCS-APIRequest': 'true'}

        r = requests.put(url, data={'key': 'email', 'value': fallback_email}, headers=headers, auth=auth)

        print(r.text)