The replacement of WHOIS with RDAP marks an important step in the development of the internet. RDAP provides more data protection, higher flexibility and is better suited to the future. For domain holders, the switch mostly brings benefits without requiring any action. In this…
faithieShutterstockWhat is sentiment analysis? Sentiment analysis is a machine-based technique for detecting emotions and opinions in text. It examines written content to gauge people’s attitudes toward a particular product or brand. These insights can be used to tailor marketing campaigns better.…
Elena KharichkinaShutterstockThe AIDA model is fundamental knowledge in advertising effectiveness research. The schematic representation of the purchase decision process in four successive phases is seen by some as a brilliant reduction to the essentials. Others consider it an outdated simplification that…
Vaclav StastnyShutterstock404 error pages are usually standardized, but website owners can design custom versions. A creative and engaging 404 page helps reduce the frustration of missing content. In this dedicated article, we share practical tips for designing unique error pages and highlight inspiring…
How can you best protect yourself against the flood of spam in your email inbox? Various methods allow harmful or unwanted messages to be placed on blacklists. But what if you find yourself on a spam blacklist? How can you get off it—and how can you prevent ending up on an email…
What exactly is an SMTP relay, and how does it differ from a smarthost or open mail relay? This article provides a detailed explanation of how SMTP relay servers work, their purposes, and the important role they play in email delivery, security, efficient communication, and…
Spectral-DesignshutterstockIf you’re involved with email delivery technology, you will come across the term SMTP server. But what exactly is its crucial role behind the scenes? How does it make sure emails reach their destination reliably and promptly? Understanding this helps in managing email systems…
CalDAV is a network protocol that enables you to sync calendar data, such as appointments and meetings, across devices like your PC, smartphone, or tablet. These events are stored in the iCalendar format and managed within a WebDAV environment. In this article, we explain what…
If an email cannot be delivered, the server sends back an error message along with an SMTP code. The message “550 Requested action not taken: mailbox unavailable” means the recipient’s address is unavailable. The causes for this are varied, and so are the potential solutions,…
To ensure that your newsletter campaigns continue to be effective in the future, you shouldn’t miss out on these email marketing trends in 2025. There are even more automation possibilities, new design options and stricter data protection. In our article on this…