Try Baton Mail. Haven't tried it myself.
Guide to setting up Baton Mail
Applelinks.com article. Says Baton Mail needs Mac OS 7.6.1 and higher. So you'll need to update if you don't have it.
Hope this helps!
PowerPup.
This will let you use those old email clients.
Guide to setting up Baton Mail
Applelinks.com article. Says Baton Mail needs Mac OS 7.6.1 and higher. So you'll need to update if you don't have it.
Hope this helps!
PowerPup.