Outlook spam emails can be identified by searching the Authentication-Results: header for compauth=fail, such as in the header at the bottom.
I have been unable to search the Authentication-Results: header using either a custom header looking for the compauth=fail string or with all attempts using Header regex match with regexs' including:
Is what I am trying do possible and is there a correct way? Thank you!
Authentication-Results: spf=none (sender IP is 103.177.230.37)
smtp.mailfrom=5129.convertkit.com; dkim=fail (signature did not verify)
header.d=sendgrid.info;dmarc=fail action=none
header.from=convertkit.com;compauth=fail reason=001
Outlook spam emails can be identified by searching the Authentication-Results: header for compauth=fail, such as in the header at the bottom.
I have been unable to search the Authentication-Results: header using either a custom header looking for the compauth=fail string or with all attempts using Header regex match with regexs' including:
Authentication-Results:[.|\n]compauth=fail. Authentication-Results:((.|\n]))compauth=fail. Authentication-Results:.compauth=fail.
Is what I am trying do possible and is there a correct way? Thank you!
Authentication-Results: spf=none (sender IP is 103.177.230.37) smtp.mailfrom=5129.convertkit.com; dkim=fail (signature did not verify) header.d=sendgrid.info;dmarc=fail action=none header.from=convertkit.com;compauth=fail reason=001