Email settings: $wgPasswordSenderName
Password reminder ($wgPasswordSender ) name.
Introduced in version:1.17.0 (r76234)
Deprecated in version:1.23.0 (Gerrit change 104707; git #1768f90b)
Removed in version:1.23.0 (Gerrit change 114111; git #22582b55)
Allowed values:(string)
Default value:'MediaWiki Mail'

Details edit

Sender name in emails from the password reminder or the email notification system ($wgPasswordSender ).

See Manual:$wgPasswordSender#1.17 to 1.22 for more information about this setting.

Effectively removed in 1.23 (although the value is still present for use by extensions). To set the sender name for email notifications, edit the page MediaWiki:Emailsender on the wiki (default value is $wgSitename ).