If you have multiple email accounts, you can set your Gmail to check from another email account. Please see below for details:
Step 1: Login your Gmail account (please refer here to open one if you do not have an account yet);
Step 2: In the Gmail account, click the "Setting" button from the right-top corner;
Step 3: Click the "Settings" command from the drop-down list;
Step 4: Click the "Accounts and Import" tab in the settings menu;
Step 5: In the "Check mail from other accounts" section, click "Add a mail account";
Step 6: Type the email address that you want to check, and click "Next";
Step 7: Click "Next" in the next window to continue;
Step 8: Enter the password in the next window and click "Add Account";
Step 9: Check "No" in the next window: not send email as the new email.