I think you could use an exception rule to place them in a separate 
folder, then use a folder based expire rule to delete them after a 
period of time...


     ChrisP.



On 8/01/2017 5:16 p.m.,HIDDEN@secs.net.au wrote:
>
> Hi all.
>
> My system receieves messages from an industrial control system with 
> the same subject every message. I want to delete these from the inbox 
> after 2 days. I have been looking at filters but cannot for the life 
> of me find anything to do with age. Can anyone offer some suggestions?
>
>
>