The message you've received is a clear indication of a security measure in place. Wordfence, a popular security plugin for WordPress, has detected an unusual activity or potential threat on the site. This could be a result of various factors, such as a high number of failed login attempts, suspicious IP addresses, or other security-related events.
The 'Advanced blocking in effect' message suggests that the site owner has implemented a more stringent security protocol to protect their website. This is a common practice among website administrators to safeguard their content and user data. The blocking is likely a temporary measure, and the site owner has provided a way to regain access by sending an email to the site's administrator.
It's important to understand that this blocking is not a personal offense but a security measure. WordPress sites, being a popular platform, are often targets for malicious activities. Wordfence, with its advanced features, helps in mitigating these risks. The plugin's ability to detect and block potential threats is a valuable asset for any website owner.
If you are the site owner, it's a good practice to regularly review your security settings and ensure that your site is protected against any potential vulnerabilities. For users, it's a reminder to respect the security measures put in place by website administrators and to report any suspicious activities to the site owner or the appropriate authorities.
In summary, the message is a standard security response from Wordfence, and it highlights the importance of online security. It serves as a reminder that the internet is a dynamic and sometimes dangerous place, and taking proactive measures to protect your digital assets is crucial.