Why does Turbo tax not have an email address they send you one and address is not functional they come back ?

You cannot contact them by email ... 

See this TurboTax support FAQ on how to contact Support - https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991

Or –

Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/

Or –

Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax

Or –

Use this phone number and select TurboTax - 1-800-4-INTUIT (1-800-446-8848)

OR—

On every TurboTax web page, including this one, scroll down to the bottom of the page and click on Contact Us