I have a client who often forgets to CC my boss. I'd like to set up a Gmail filter that detects when he isn't in the To/CC fields for e-mails from this client and forwards a copy to him.
Is this possible using Gmail's filters?
You can use the
Create a filter with the following:
The above filter will return emails that are from
Now you just need to set that filter to auto-forward to you boss' email address
Try a filter based on if the address is even in there at all. Something like the following:
This should highlight any incoming emails that do not contain the above email address anywhere which you could then target to forwarding on to.
To preview the filter results, run this in the search: