how to use the free shipping coupon code


i have receive your free shipping coupon code  xxxxxx by email.

but when i login your website,how to use the coupon code???

 i have reply your email,but there is an failure because it is noreply email..please help me.

Dear E2E user:

We are glad that we were able to resolve your issue. As a token of appreciation for clicking This resolved my issue, we would like to invite you to enjoy FREE STANDARD SHIPPING from the TI store.

Click here to redeem your free shipping coupon code: xxxxxxx