class_docstr: Sends an email notification for a report recipient
class_docstr_tok: ["Sends","an","email","notification","for","a","report","recipient"]
code: def _get_smtp_domain() -> str:
      return parseaddr(app.config["SMTP_MAIL_FROM"])[1].split("@")[1]
  
imports: import json
  import logging
  import textwrap
  from dataclasses import dataclass
  from email.utils import make_msgid, parseaddr
  from typing import Any, Optional
  import nh3
  from flask_babel import gettext
  from superset import app
  from superset.exceptions import SupersetErrorsException
  from superset.reports.models import ReportRecipientType
  from superset.reports.notifications.base import BaseNotification
  from superset.reports.notifications.exceptions import NotificationError
  from superset.utils.core import HeaderDataType, send_email_smtp
  from superset.utils.decorators import statsd_gauge
label_desc: Use image node_id 1 for calling the EmailNotification obj's underlying member method code with example usage: obj._get_smtp_domain() and returns: parseaddr