My Eudora 7 which has weathered migration to AOL can't seem to negotiate the latest setting updates.
Any long-time Eudora 7 xxx users sucessful since last cutoff date of 12/05/17?
Reviewing SSL certificates worked for dear old Eudora:
https://productforums.google.com/forum/#!topic/gmail/NGVMo2it394
Yay.
Thanks for posting your solution.
Happy Holidays to you and yours.