async def METHOD_NAME(self, recipient_emails):
    valid_recipient_emails = []
    for email in recipient_emails:
        try:
            validate_email(email)
            valid_recipient_emails.append(email)
        except EmailNotValidError:
            self.console.warning("Recipient e-mail {} is not valid email. This e-mail was skipped.".format(email))
            continue
    return valid_recipient_emails