[SOGo] How can I set the signature?

[Marco Moock]

Hello,
we run SOGo 5.7.0-1.el8. I haven't found a way to set the signature for
emails in the settings. Where can I do it?
I also haven't found such a setting in the public SOGo demo.
-- 
kind regards
Marco
-- 
users@sogo.nu
https://inverse.ca/sogo/lists