MAX_REGISTRATION_TIME

Validity time for the link in the mail after requesting a new password via the "forgot pasword" function on the login page ist set to 3600 by default (= 1 hour).
In config/lepton.ini.php you modify the entry

MAX_REGISTRATION_TIME = 3600

in order to decrease or increase validitiy time.

Since Lepton CMS 4.6.0