Adding the domain to google apps admin portal
Navigate to admin.google.com
Sign in with your firstname.lastname@example.org email account
Select reseller tools
Go to the customers portal and click go to admin console (Figure1)
Towards the bottom of the screen select more controls (Figure2)
Click add a domain or domain alias and select which is required (figure4)
- If you add a Domain Alias this will auto add any emails you already have for the master domain as an alias
- If you add another Domain you can then decide what email alias you want
Enter the new domain you would like (Figure5)
You will then be given the txt record (Figure6) that will need to be added the hosting site - for example the DNS is looked after by GoDaddy for Sorbus - you will need to also obtain the log in details to log into the Domain Host to make the changes
Verify this change has taken place on the google portal by clicking verify at the bottom of the page (Figure7)
Once this has been done you will also need to complete the same for the MX records and verify it in the same method as above.
The addition of the domain has now been completed
Configuring Gmail to send as the new domain
Once this has been done you should now be able to send as a different alias address by doing the below in gmail
1.Sign in to your Google Apps email.
2.Click the cog in the upper-right and select Settings along the top of any page, and select the Accounts tab.
3.Under Send mail as, click Add another email address.
4.In the Email address field, enter your name and alternate email address.
Messages you send will appear to be from the domain alias or email alias. The return-path of the message will indicate your primary mail addresses, but only recipients who look at the original message header will notice.
Once you're set up: sending mail
To use one of your alternate sender addresses, click the From link when you compose a new message. If you're replying to or forwarding a message, click the field where your recipients are listed, then click From. After clicking From, you'll see a drop-down menu next to your address, where you can select the email address you'd like to send from.