Manual:$wgPasswordReminderResendTime

Email settings: $wgPasswordReminderResendTime
Minimum time, in hours, which must elapse between password reminder emails.
Introduced in version:1.9.0 (r17217)
Removed in version:still in use
Allowed values:(integer)
Default value:24

Details edit

Minimum time, in hours, which must elapse between password reminder emails for a given account. This is to prevent abuse by mail flooding.

See also edit