Konstantin Vasilyev skrev den 2020-07-18 15:16: > TLS 1.2 is enabled by default in Android versions 5.0 and newer. if its androud before 5.0 there we go > For earlier Android versions, K9 has (or used to have) a setting to > "harden" its SSL/TLS settings, which enables TLS 1.2 as far back as > 4.3 or something. does not work if its not android 5.0 or never