Select the option to 'Forward a copy of incoming mail to' and choose your address from the drop-down menu.Return to Settings > Forwarding and POP/IMAP.Add a forwarding address as described above.This tells Gmail that you own the address and should be allowed to forward mail to it. Check your mail at the other address - you will have received a verification email with a link to click.Enter the address you would like to forward mail to.Go to Settings > Forwarding and POP/IMAP > Add a forwarding address.Log into the account you'd like to forward mail from.After doing this, you need to complete one of the two sections below to forward the mail. Before forwarding any mail, you will need to add your forwarding address in your Gmail settings.