Is Thunderbird a good email client, or does it have security issues? If so, what free client would you recommend to someone who does not like Windows Mail nor Google Mail? -
![Thunderbird emails do not display in Tab, but OK in new window & safe mode | Thunderbird Support Forum | Mozilla Support Thunderbird emails do not display in Tab, but OK in new window & safe mode | Thunderbird Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2020-07-16-07-12-56-1a0692.png)
Thunderbird emails do not display in Tab, but OK in new window & safe mode | Thunderbird Support Forum | Mozilla Support
![I cannot get to account settings in normal mode I can in safe mode | Thunderbird Support Forum | Mozilla Support I cannot get to account settings in normal mode I can in safe mode | Thunderbird Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2018-03-07-16-48-15-2fa67f.png)