Please see: Internet & Email - Username & Password Help
Please click on the help and support link in my original response to this thread 🙂
We have a great article up on the forum. How to change your Optus email password.
Hey there Robbo98,
I'm afraid we're unable to reactivate customer email addresses on this public forum as we don't have access to accounts.
You will need to contact Optus directly for assistance.