I have created a contact form with Form-Builder, but no mails will be sent.
From the Joomla Global Config, I sent test emails using PHP Mail, SendMail and SMTP.
In all cases, the test email worked, but the form did not.
No mail in SPAM.
PHP 7.4.26
Joomla! 4.0.4
SP Page Builder Pro 3.8.1
Template: Dentro
settings in attached screenshots