// Set defaults for configuration variables
// that are derived from the server name by default
-if ( $wgEmergencyContact === false ) {
+// Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
+if ( !$wgEmergencyContact ) {
$wgEmergencyContact = 'wikiadmin@' . $wgServerName;
}
-
-if ( $wgPasswordSender === false ) {
+if ( !$wgPasswordSender ) {
$wgPasswordSender = 'apache@' . $wgServerName;
}