my server enviroment: 

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 + Apache 2.4.25

  + MariaDB 10.1.21

  + PHP 7.1.2 (VC14 X86 32bit thread safe) + PEAR

  + phpMyAdmin 4.6.5.2

  + OpenSSL 1.0.2f

  + ADOdb 518a

  + Mercury Mail Transport System v4.63 (not included in the portable version)

  + FileZilla FTP Server 0.9.41 (not included in the portable version)

  + Webalizer 2.23-04 (not included in the portable version) 

  + Strawberry Perl 5.16.1.1 Portable

  + Tomcat 7.0.56

  + XAMPP Control Panel Version 3.2.2 by hackattack142 (Great Thanks!!))

    See: http://www.apachefriends.org/f/viewtopic.php?f=16&t=46743

  + XAMPP mailToDisk 1.0 (write emails via PHP on local disk in \mailoutput. Activated in the php.ini as mail default.)

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