Email is not one of the ways to contact TurboTax. You can post questions here in the user forum. You can contact customer support. You can use "Live" expert help, or you can use Facebook or Twitter.
Phone support is not provided with the Free Edition. If you are using a paid version of the software or if you purchased PLUS you can get phone support when customer support is there. Otherwise, post your question here and someone will try to help.
To call TurboTax customer support
https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/contact-turbotax/L2y9ZKpQB_US_en_US?uid=m5s9l2vh
https://twitter.com/TeamTurboTax
or
https://www.facebook.com/turbotax