> That's what email forwarding is, i.e. using IMAP or POP. No, mail forwarding is SMTP and requires no access to pop/imap. What you're thinking of is the abili

> That's what email forwarding is, i.e. using IMAP or POP. No, mail forwarding is SMTP and requires no access to pop/imap. What you're thinking of is the ability of Google to fetch from other accounts using POP. Once mail forwarding is setup you can lose access to the account and it will still with. In contrast pop fetch will only work as long as you can log in the account. They can both achieve similar goal (have mail from one account show up in another), but they work in fundamentally different ways