Fixing a simple php command for 2 landing page

Job ID: 33970117

Budget: $10 – $30 USD

Google is labeling as spam the messages coming from 2 landing pages due a misconfiguration of SPF. We need to change php script command or to configure the SPF in the right way.
The two landing pages are:
http://www.eastcom.it/landingPage/
https://eastcom.it/landingeng2022/
Related categories: PHP Graphic Design WordPress HTML Email Handling