5 ਤਾਰਿਆਂ ਵਿੱਚ 3 ਮਿਲੇ

It seems to detect the duplicated message. But as a previous reviewer pointed out, I can't find the preference menu in either Thunderbird/Preference nor in Toos/Add-on Preference.

TB 68.3.0 in macOS 10.13.6

ਇਹ ਸਮੀਖਿਆ ਐਡ-ਆਨ (1.5) ਦੇ ਪਿਛਲੇ ਵਰਜਨ ਲਈ ਹੈ।