Can someone comment on the security aspect of forwarding mail? Does it add another layer of complexity/attack surface or is it negligible vis a vi the added privacy.
Yes there is a bit of added complexity. By SMTP's nature, the forwarding mail server will need to receive your email, before they can forward it to you. For that reason if you use a service for forwarding, you'll need to make sure you trust the company running this service, or only use this service for low-damage forwarding.