Getting SSLHandshakeException and started to get it after updating to Android 7.0 on OnePlus 3, it works using the Gmail client so seems to be related to the k9 client. The cert is also a ECDSA ...
I'm receiving the following exception for all TLS connections in 7.1.2 SOAP Fault: Connection has been shutdown: javax.net.ssl.SSLHandshakeException: sun.security ...