My messages are double forwarded. My filter is simpple when message received comes from @domain.com and there is attachment, forward it to another email. But I always get message forwarded 2times, what is the problem? [2018-02-02 11:51:14] Applied filter "testing" to message from ***@***.com - SUBJECT at 2018-02-02 11:51:12 forwarded [2018-02-02 11:51:15] Applied filter "testing" to message from ***@***.com - SUBJECT at 2018-02-02 11:51:12 forwarded