Snappymail file attachment problem

CyberPanel Project Bug Report
1

I am trying to add 2 files with .pdf extension to the e-mail I want to send and it does not upload.

attachment_not_upload
attachment_not_upload1007×478 47.8 KB

2

What is the server php version and what is the limit of upload for that?

3

Php 7.4 upload limit : 128 MB