Some e-mail service providers don’t support TLS versions 1.0 and 1.1 anymore. Please update your device to the lates firmware, in which we implemented TLS versions 1.2 and 1.3.
The latest firmware is found under the following link:
Insys OS Firmware
I am not able to send e-mails anymore with an older firmware version on my INSYS OS device
- Published on May 27, 2026
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