Manual:$wgUserEmailConfirmationTokenExpiry

Email settings: $wgUserEmailConfirmationTokenExpiry
The time, in seconds, after which a email address confirmation token expires.
Introduced in version:1.18.0 (r81868)
Removed in version:Still in use
Allowed values:(integer)
Default value:7 * 24 * 60 * 60 (7 days)

Details

The time, in seconds, after which a email address confirmation token expires. Such tokens are sent out when a user sets their email address for the first time, or changes their email address.

If $wgEmailAuthentication is set to false, this does not apply.

See also