I’ve still got a working online account that I’ve retained since 1996. (It’s a @hotmail.com email address). Admittedly it’s gone through a lot of transformations but it still sends and receives email.

I used to have an iol.ie email that was older but it got lost during one of that domain’s many acquisitions in the early 2000s.

I’m curious about the oldest still functional accounts out there. Some academic orgs I assume? Anyone willing to share if they have one?