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People send a lot of mail to my gmail. I need a way to categorize my mail.

I thought of subject filters. whenever somebody send mail with "support" or "sales" as subject gmail would automatically label it and remove from inbox.

But the main problem is that people don't follow this rules. most of incoming mail has subject "help please, it's urgent!!!", "problem with payment" etc.

I want to know, is there a way I can automatically (without me even checking the mail) send reply to sender saying that subject is incorrect if subject is not exactly "sales" or "support" and send that kind of mail to trash?

P.S. many people would suggest to use different mail accounts, but that's not an option in this case.

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Trying to train people to use specific subjects that you consider "correct" will just lead to heartache. Email (and people) don't work that way... – Andrew Lott Nov 7 '13 at 17:02
up vote 1 down vote accepted

Use a filter:

enter image description here

- excludes the following keyword.

enter image description here

share|improve this answer
thanks man, you saved me a lot of time ;) – Sandro Dolidze Nov 7 '13 at 17:12

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