Gaggle mail ghchs hac

It seems like you've provided a series of seemingly unrelated words! Let me try to make sense of them:

• "Gaggle" is a noun that refers to a group of geese, especially when they're in flight.
• "Mail" is a noun that refers to a system for sending and receiving messages, usually electronically.
• "Ghchs" doesn't seem to be a valid word or acronym. Could you please clarify what you mean by this?
• "Hac" could be an acronym for "High Availability Cluster", but without more context, it's difficult to say for sure.

If you could provide more information or clarify what you're trying to communicate, I'd be happy to help!