E-Mail accounts include GMail so it works
- Open the GMail settings and click on the tab "accounts".
- Select the third point "E-Mails via POP3 from other accounts" and enter your E-Mail address, the user name (usually identical to the E-Mail address) and password of your another Provider.
- Then click on "add account" and receive all the Mails in the GMail Account. Your other E-Mail account you can use but as an additional sender's address.
- To do this, just follow the displayed Link and enter again the E-Mail address of the other Provider.
- You will then receive an E-Mail with a Code for verification to enter.

Other email providers include
Overall, you can include up to 5 E-Mail Accounts in GMail. Unlimited the is in Thunderbird and Outlook. A quick guide to find you here.
