отправка

There is an example from the book (there is also a similar question arose after watching the video tutorial) on sending files ... t;/html> And to select an existing file to send to the server, it gives: Uploading Problem: possible file upload attack

I'm trying to send a message from Bitrix about an event. The content of the message is the content of the information block. ... is way? Infoblock - feedback form, each letter is an element of the infoblock. In the elements, the files are saved normally.