Advice

Image: What is the AIDA model? Explanation, functionality, and examplesElena KharichkinaShutterstock

What is the AIDA model? Explanation, functionality, and examples

The 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 Others consider it an outdated simplification that…

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Image: What are the best examples of 404 pages on the web?Vaclav StastnyShutterstock

What are the best examples of 404 pages on the web?

404 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…

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Image: What is an email blacklist? How to protect against spam emails

What is an email blacklist? How to protect against spam emails

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…

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Image: What is an SMTP relay and how does it work?

What is an SMTP relay and how does it work?

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…

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Image: What is an SMTP server and how does it work?Spectral-Designshutterstock

What is an SMTP server and how does it work?

If 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…

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Image: What is CalDAV and how does it work for syncing calendars?

What is CalDAV and how does it work for syncing calendars?

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…

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Image: How to fix a SMTP 550 mailbox error

How to fix a SMTP 550 mailbox error

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,…

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Image: What are the main email marketing trends for 2025?

What are the main email marketing trends for 2025?

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…

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Image: What is Microsoft 365? An introduction to Microsoft’s complete solutionoptimarcShutterstock

What is Microsoft 365? An introduction to Microsoft’s complete solution

Not just in the business context, but also among individuals, Microsoft’s Office packages are popular. These are available either as a one-time download or with Microsoft 365 in a subscription model. We’ll show you what Microsoft 365 exactly is. Additionally, you’ll get an…

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Image: How can you get Microsoft Office for free? All available options

How can you get Microsoft Office for free? All available options

Microsoft programs like Word, Excel, and PowerPoint are essential in the modern work environment. However, many private users cannot afford a paid Microsoft subscription, or may not need a full version for occasional tasks. Learn how to use the standard Microsoft 365 programs for…

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