That's true - I personally don't include email addresses on packages for eBay orders specifically to prevent delivery features from being accessed*, but it's required for parcel locker / collect addresses so occasionally I have no choice, and if notifications aren't actually forwarded to the buyer, that is going to cause multiple problems. (It's also required for international packages, so this idea just dumb, IMO).
*An email address or phone number on a parcel label allows it to be linked to a specific My Post account, where options such as arranging safedrop (and thus overriding any SOD requirements), or redirecting a package can be made automatically. These two options are.... undesirable in conjunction with the regular MBG policies, hence why I won't include them. If Aus Post adjusted tracking events to indicate the buyer authorised safe drop, or redirected the parcel, and eBay had explicit policies surrounding these scenarios, it would be a different story, though.
