SUMMARY Sending a message crashes, resulting in a load of "org.kde.pim.kmail: Danger, using an event loop, this should no longer be happening!" errors. This happens when sending from a protonmail account to a protonmail account. Sending to, e.g. GMail gives "connection refused", and I don't have any other mail accounts to test sending from. STEPS TO REPRODUCE 1. Send an email from a protonmail account to another protonmmail account OBSERVED RESULT Crash, with error: org.kde.pim.kmail: Danger, using an event loop, this should no longer be happening! [1] 11591 alarm kontact EXPECTED RESULT Email sends as usual SOFTWARE/OS VERSIONS Linux/KDE Plasma: 5.10.0-pf5 (available in About System) KDE Plasma Version: 5.20.5 KDE Frameworks Version: 5.77.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION Turning off encruption also gives a "connection refused" error