Jo's Email Address
From Super-wiki
Jo's email address is Enihpesoj91@gmail.com, and appears in her Hunter's Blog (which you can find on her character page).
If you emailed it before 5.10 Abandon All Hope..., it would respond with:
From: Jo Hunter <enihpesoj91@gmail.com>
Date: Sep 29, 2006 10:53 AM
Subject: Re:
To: <your email address>
Do I know you? Aren't you a friend of Ash?
Thank you to Mary from The Family Business.