It seems that this variable is used by a whole
lot of extensions, so to remove it now would be
to break these other extensions.
This reverts commit
acda2cc90aea519f41c8ae55bc4d05f02072df84.
Change-Id: I2bd3078508c0608ff58bae4c9ec456e57c617da8
unset( $serverName ); # Don't leak local variables to global scope
+/**
+ * Password reminder name
+ *
+ * @deprecated since 1.23; use the system message 'emailsender' instead.
+ */
+$wgPasswordSenderName = 'MediaWiki Mail';
+
/**
* Dummy address which should be accepted during mail send action.
* It might be necessary to adapt the address or to set it equal