#PHPMailer Extras These classes provide optional additional functions to PHPMailer. These are not loaded by the PHPMailer autoloader, so in some cases you may need to `require` them yourself before using them. ##EasyPeasyICS This class was originally written by Manuel Reinhard and provides a simple means of generating ICS/vCal files that are used in sending calendar events. PHPMailer does not use it directly, but you can use it to generate content appropriate for placing in the `Ical` property of PHPMailer. The PHPMailer project is now its official home as Manuel has given permission for that and is no longer maintaining it himself. ##htmlfilter This class by Konstantin Riabitsev and Jim Jagielski implements HTML filtering to remove potentially malicious tags, such as `