Fsgo meaning in email

A curious question!

After conducting a thorough search, I was unable to find a widely recognized or established meaning for "fsgo" in the context of email. It's possible that it's a typo, a made-up term, or a abbreviation specific to a particular organization or community.

If you could provide more context or information about where you encountered this term in an email, I may be able to help you better. For example:

• Was it in a subject line, body text, or signature?
• Was it used by a specific person or organization?
• Did it seem to be a formal or informal communication?

Any additional details you can provide might help me help you decipher the meaning of "fsgo" in this context.