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PHP 8.2 only receives security updates until the end of 2026. This article explains which PHP versions are still maintained, why outdated PHP puts your website at risk and how to upgrade safely to a newer version step by step - without unpleasant surprises.
Gmail, Yahoo and Outlook.com require SPF, DKIM and DMARC from senders of larger volumes. If you ignore the rules, your emails end up in spam or are rejected. Here is how to meet the requirements step by step.
Passkeys replace your password with a cryptographic key pair stored on your device. This makes the login more convenient and provides reliable protection against phishing. We explain how passkeys work, why they are more secure, and how you can use them in the SpeedIT customer area.
AI crawlers such as GPTBot and ClaudeBot can place a significant strain on websites. This article explains which bots are out there, how to control them via robots.txt, how to restrict them technically, and how to reduce server load using caching, rate limiting and firewall rules without slowing down genuine visitors.
Three copies, two storage types, one of which is off-site: the 3-2-1 backup rule is the tried-and-tested foundation of any data backup. Find out how to create a reliable backup for your website, database and mailboxes, and why the hosting provider’s backup alone is not enough.
Significant changes are on the horizon for the world of email authentication in 2024. Google and Yahoo, two of the biggest players in the email services sector, have announced that they will be updating their email authentication requirements to…
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…
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