I created new Content filter to block emails coming from specific domain - condition1 @- @xyz.com andcondition2 -- Subject start with ^Test and Action to drop such emails but it's not functioning as desired. Below is configuration detailLogin to CESM...

Need help to Block sender sub domain under primary domain - Example; @*.abc.com , where * is wildcard subdomain.

We have observed a lot scam emails coming from xyz domain. We would like to put in blocks for specific sender email addresses where the (*) represents a wildcard:*class@xyz.com