Whats the easiest way to change the email address associated with a ton of accounts?

[Apollo Creed]

i have a ton of old accounts tied to an old yahoo email but yahoo is trash and stays getting hacked.

Whats my best bet?

 

[The Prince of All Saiyans]

go to each account and change the email what do you think you can do

 

[Apollo Creed]

go to each account and change the email what do you think you can do

 

[Groanman]

smash your computer with a sledgehammer