Block recipient address with wildcard entry

[kapildev]

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

[Ken Stieers]

So, the only way to do that is to do it via a message filter, or a content filter.
Set the criteria where the envelope sender ends with class@xyz.com