Some of our users are looking at cancelling their eos.net mail service, and this post is to help them make changes on some of the services out there that rely upon their email address. This is by no means exhaustive! I have barely scratched the surface. Be mindful you also need to email all of your contacts (family, friends, business associates, etc.) of your new email address.
I will be updating this post as I find out more.
AppleID (iTunes, iCloud, etc.)