Send emails from a different address or alias
https://support.google.com/mail/answer/22370?hl=en
| 1 | Add an address you own On your computer, open Gmail. In the top right, click Settings See all settings. Click the Accounts and import or Accounts tab. In the "Send mail as" section, click Add another email address. Enter your name and the address you want to send from. Click Next Step Send verification. For school or work accounts, enter the SMTP server (for example, smtp.gmail.com or smtp.yourschool.edu) and the username and password on that account. Click Add Account.
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| 2 | Confirm the address Sign in to the account you added. Open the confirmation message you got from Gmail. Click the link.
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| 3 | Change the "From" address In the message, click the "From" line. (If you don't see this, click the space next to the recipient's email.) Select the address to send from.
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