Hello,

I couldn't upload translate to Czech as in manual (I don't know why) and therefore I send link for it there and I send the translate too bellow.
https://github.com/Matyas-Pilz/Translates_Luanti_mods/tree/main/mail__by__mt_mods
I prefer for include the "formal" variant.

mail_cz_tr.txt

Regards,
Matyáš Pilz / MatyasP