How to update from phpSocial v2.1.6 to v2.1.7 [Don't forget to back up your database/files before proceeding]
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---------------------------------- FTP -------------------------------------
Upload and replace the following files on your server:

/includes/phpmailer/*.php (all files)

info.php

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------------------------------- Changelog ----------------------------------
- Updated the PHPMailer to 5.2.21 (security fix)