Use isrexp() instead of isin(),  if you wish to use a regular expression.

     ChrisP.



On 7/12/2016 10:18 a.m., surgemailHIDDEN@etwinsite.com wrote:
> I have lots of spam coming from .top domains. Can I fliter them in mfilter.rul with something like this
>
> if (isin("from","*.top$")) then
>          call replace("Subject","*","WARNING Possible Spam - %1")
>          redirect HIDDEN@ydomain.com"
> end if
>
>
> it doesnt like the regular expression for the end of a line since it thinks its a variable. What are my options?