A Wiki without an email feature is like a ‘car’ without ‘fuel’. For configuring the email functions in MediaWiki you need to ensure that the SMTP settings are right.
; For Win32 only.
sendmail_from = enter the email address from which you want to send admin emails
; Defines the default timezone used by the date functions
date.timezone = //set this to a specific time-zone for e.g. ‘Europe/London’
;auth_username= //give your user-name here and remove the ‘;’
;auth_password= // give your password here and remove the ‘;’
$wgEmergencyContact = “” //enter email account here ;
$wgPasswordSender = “” //enter email account here ;