Email not sent if contains link to my site

My site is I want to share the data on it with my friends, but if I send them a link to the site the email is rejected by google. Unless there is a solution I will need to find another web hosting service.

Message from google says:

This message seems dangerous

Many people marked similar messages as phishing scams, so this might contain unsafe content. Avoid clicking links, downloading attachments or replying with personal information.

Report as dangerousLooks safe

Message blocked

Your message to has been blocked. See technical details below for more information.

You should probably park a domain :slight_smile:

This is a very small operation and I am not ready to start paying for domain names.

What is the cause of the problem? Can it not be fixed?

Larger corporations have blocked the free URL due to the amount of abusive users who have signed up in the past and use the URL for malicious activities