Hi guys , I have a pretty big problem and I don't know how to fix it. I have a contact page that I did not work on my web hosting service. I tried the same contact page on several free hosting companiese and works without a problem. I sent a mail and they told me that there is this error: rejected by non-SMTP ACL: "error: From difera de authenticated_id"
What can i do?
Here's the contact page: