Encyclopedia

SMTP Server

What is an SMTP Server?

Anyone familiar with the technicalities of the e-mail sending process will invariably come across the term “SMTP server” at some point. But how exactly does this unit of hardware and software – which invisibly transports the typical consumer’s e-mail from A to B – work? Understanding how this type of server functions is information that can be used to your advantage when it comes to manually...

SMTP Relay

What is behind the term SMTP relay?

Server, service, protocol, or process? The definition of the term “STM relay” has fueled raging debate on the internet. What exactly are “smarthosts” and “open mail relays” in this context? Where do you get an “SMTP relay server” – and what do you need it for? The answers are simpler than expected and we will provide additional clues to better understand the subject of sending e-mails. Everything...

Ethernet

What is Ethernet (IEEE 802.3)?

In the beginning, there was ARPANET and ALOHAnet. Then Ethernet followed as a groundbreaking innovation for local networks. Ethernet enabled collision-free interconnection of multiple devices via a common bus. For the first time, data packages could efficiently be exchanged between individual devices. Today, the technology is extensively used in the standard IEEE 802.3. With fiber optic cables,...

ZURB Foundation: The compact UI framework

ZURB Foundation: The CSS framework for responsive frontends

If you don’t have a ready-made template or a homepage kit for the development of a front-end, but also don’t want to completely start from square one, then you should think about using a CSS framework such as ZURB Foundation. The open source solution offers a flexible grid system, numerous other pre-made code snippets, and everything you need to implement a responsive web presence.

Copyrighting software

My programme, your programme: copyrighting software

Many developers are now idolised, and with the right idea and snippet of code you could be as successful as most of Hollywood. Musicians and writers often find themselves having to deal with plagiarism, imitators, and free-riders, which is a problem that many developers also face. Their software can easily be stolen and copied. Register your software and you can rest assured that you’re covered if...

Cease-and-desist letters in e-commerce

Copyright law in e-commerce

Legal disputes don’t necessarily have to be settled in court. In many cases, copyright law-related issues can be resolved outside of court using a cease-and-desist letter. In this guide, we provide an overview of what you should include in an official warning as well and how to respond to legal warnings.

MAC address

MAC address (media access control)

Without a MAC address, nothing in a network will work on your device. Just as your postman needs a valid address to reliably deliver the mail, the transmission of data packets in computer networks is only possible with the unique hardware address of the target device. When it comes to a MAC address, at least there is one address available on each network-compatible device. But what is the MAC...

IGMP snooping

IGMP snooping: eavesdropping for multicast traffic

If a system in IP networks is to send data packets to different target hosts as efficiently as possible, an IP multicasting connection is the perfect solution. When it comes to multipoint transmission, the data packets are able to reach all interested parties thanks to various protocols such as GMP, for example. Switches and internet routers can also use the communication protocol for IGMP...

Network protocol: Standards for data exchange

Network protocol: The basis of electronic data exchange

For computer systems to be able to communicate with each other and exchange information, they need common ground, just like humans must share a common language. But computers don’t rely on foreign language lessons, and instead only need the appropriate network protocol to successfully communicate. This provides guidelines and structures for the data transfer, and so plays a decisive role in the...

Multicast

Multicast: Point-to-multipoint connection for efficient data transfer

Bandwidth plays an important role when sending data over IP networks. This is especially true when packets are being sent to more than one recipient, which can result in overloads preventing the data from being sent problem-free. Therefore, IP multicast was developed early on to enable data to be sent simultaneously to multiple destination nodes.


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