Google Product Forums
Re: My Outlook 2007 is receiving 2 copies of every email sent via gmail, why?
Jun 9, 2012 3:10 PM
Posted in group:
Gmail Help Forum
Computer email program (please specify: Apple Mail, Outlook, Thunderbird, etc)
Reading and Receiving Messages
Fix an issue or problem
Are you using POP or IMAP for each account?
Do you have forwarding between the accounts?