SUMMARY KMail sometime refuses to send email, it says " transport of message failed: remote computer ended connection" or in czech "Selhalo transportovaní zprávy. Vzdálený počítač uzavřel spojení " We, in company, use Google Suite as a backend. STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: KDE NEON (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION