* Allowed options:
* - symbol_allow (string): symbol to insert in case of allow (default: 'R_DKIM_ALLOW')
* - symbol_reject (string): symbol to insert (default: 'R_DKIM_REJECT')
- * - symbol_rempfail (string): symbol to insert in case of temporary fail (default: 'R_DKIM_TEMPFAIL')
+ * - symbol_tempfail (string): symbol to insert in case of temporary fail (default: 'R_DKIM_TEMPFAIL')
* - whitelist (map): map of whitelisted networks
* - domains (map): map of domains to check
* - strict_multiplier (number): multiplier for strict domains