
Earlier today, security researcher Aviv Raff publicly revealed two crucial security flaws he had found in the iPhone's software that affect the iPhone's Mail app, both of which pose potential security problems. The first is the obvious fact that the Mail app automatically downloads any images within an email. Doing so refers back to the server it came from when it's downloaded, notifying the sender that it has been opened, proving that the email address is a person that they can send spam to.