Attachment file is not working

Hi!

Im trying to attach files with the conctact form but I dont receive them.

My case:

FORM
p>Your Name (required)<br />
[text* your-name] </p>

<p>Your Email (required)<br />
[email* your-email] </p>

<p>Subject<br />
[text your-subject] </p>

<p>Your Message<br />
[textarea your-message] </p>

[file* file-570]

<p>[submit “Send”]</p>

MAIL

To
[email protected]
From
[your-name] <[email protected]>
Subject
PROSEMA “[your-subject]”
Additional Headers
Reply-To: [your-email]
Message Body
From: [your-name] <[your-email]>
Subject: [your-subject]

Message Body:
[your-message]

—
This e-mail was sent from a contact form on PROSEMA (https://prosema.es)
Exclude lines with blank mail-tags from output
Use HTML content type
File Attachments
[file* file-570]

Please, help me!

Thanks a lot!