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This bug was initially created as a copy of Bug #2229981

I am copying this bug because: 



Description of problem:
TLS is broken on the latest thunderbird release

Version-Release number of selected component (if applicable):
thunderbird-102.14.0-1.el7_9.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Configure thunderbird to use TLS for pop3 or smtp connections
2. Update thunderbird to 102.14.0-1.el7_9.x86_64
3. Launch thunderbird and attempt tls connection

Actual results:
TLS connection fails with the following entry in maillog:

Aug  7 19:06:15 mail_server dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=192.168.0.1, lip=192.168.0.1, TLS handshaking: SSL_accept() failed: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42, session=<ddk1GlkCBqjAqAAB>

Expected results:
tls connections work as expected

Additional info:
Downgrading to thunderbird-102.13.0-2.el7_9.x86_64 fixes the issue
Disabling SSL/TLS security and sending authentication in plain text (highly undesirable) also works
TLS cert is self signed and imported into thunderbird, with expiry date 2028

thunderbird-102.14.0-3.el8_8.x86_64 can correctly read the IMAP account, while thunderbird-102.14.0-1.el8_8.x86_64 can not.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (thunderbird bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:4617

*** Bug 2235319 has been marked as a duplicate of this bug. ***