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WordPress is the most widely used content management system (CMS) on the internet. It is easy to use, flexible and offers numerous options for customisation. Unfortunately, however, the performance of WordPress websites can suffer under…
Email is an important communication tool in day-to-day business. To ensure that emails really do come from the intended sender and have not been sent by a hacker or spammer, there are technologies such as DKIM…
Email phishing is one of the most common methods used by criminals to try to obtain personal data from internet users. More and more people are using the internet to communicate and exchange data, which makes it…
SPF records are a key part of email delivery. They serve to prevent spoofing attacks on email accounts and ensure that only authorised servers are permitted to send emails from a specific domain. In…
DNSBL lists, also known as ‘blackhole lists’, are an important part of email protection. They serve to block unwanted emails from spammers and other unsolicited senders before they even reach the recipient…
For many online service providers, two-factor authentication has now become the state-of-the-art login procedure. Instead of simply logging in with your password, you need an additional factor. This differs…
In this article, we would like to present a comparison of SSL certificates and explain the differences between single-domain and wildcard certificates. What do SSL certificates do? SSL (or TLS) is a…
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