> **Possible Duplicate:**  
> [Webapp to delete certain Gmail messages older than n days?](https://webapps.stackexchange.com/questions/26795/webapp-to-delete-certain-gmail-messages-older-than-n-days)  

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Is it possible to setup a filter in Gmail to delete message older than 1 month?

The reason I need that is because I need to subscribe some open source project mail list and I don't need to archive older messages.