Quickcontact form it's not working

Hi Team

I've an issue with the side panel contact form. Despite of I receive the message that the email was sent successfully, I don't received the email in the configured email, not even in the spam folder. I've modified the files quickcontact.php and sendmail.php located on the folder include, using the following code in both files:

<?php

use PHPMailer\PHPMailer\PHPMailer;

require 'phpmailer/src/PHPMailer.php';
require 'phpmailer/src/SMTP.php';

$toemails = array();

$toemails[] = array(
'email' => 'flalope@gmail.com', // Your Email Address
'name' => 'Mensaje de Compro Su Auto' // Your Name
);

// Form Processing Messages
$message_success = 'Gracias. Hemos recibido satisfactoriamente su mensaje. Nuestros especialistas le responderán a la brevedad. Saludos de parte del equipo de Compro Su Auto Argentina.';

Can you help?

Useful information:
Website: https://comprosuauto.cash
FTP data – User: comprosuautocristian – Pass: Fiesta.2019.2020

Thanks for your help.

Regards.

Hi

Why you skipped my post?

Regards.

Hi

6 days have been pass without a response from you. I can not charge for my work until I fix these issues.

PLEASE REPLY ASAP!

Thanks.

Hi Team

After a couple of hours I've checked with my hosting support that the function PHP is working fine. I've created an email with the domain name and the note is received in Horde, but if I set an email with the client Gmail, Yahoo or Hotmail, the email is not delivered.

Gmail error message:

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

flavexx@hotmail.com
host smtp.mailchannels.net [54.201.82.44]
SMTP error from remote mail server after end of data:
550 5.7.1 [BFD] Sender prohibited by SPF

Action: failed
Final-Recipient: rfc822;flavexx@hotmail.com
Status: 5.0.0
Remote-MTA: dns; smtp.mailchannels.net
Diagnostic-Code: smtp; 550 5.7.1 [BFD] Sender prohibited by SPF

Can you work it out?

Thanks.