How do I set up a reply-to email address in Gmail?

To specify an alternate address for replies to emails you send from Gmail:
 

1. Click the Settings gear in your Gmail's toolbar.
2. Select Settings from the menu that comes up.
3. Go to the Accounts tab.
4. Click edit info next to the email address for which you want to set up a Reply-To address under Send mail as:.
5. Click Specify a different "reply-to" address.
6. Type the address at which you want to receive replies under Reply-to address:.
7. Click Next Step ».
8. Now click Save Changes.