The way the internet works closely depends on the DNS (Domain Name System). When you type in a domain name in your browser, such as smarthost.eu, or send an email, you don’t usually think aboutContinue reading
Author: Emilia
IT student, enthusiast of music, sci-fi and good coffee. In her free time she likes to go on walks around the city and learning DJ-ing.
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DNSSEC – basic informations.
DNS was designed many years ago, when network security was not a priority. For this reason, it is vulnerable to various types of attacks. The most well-known is the “DNS spoofing” attack, also known asContinue reading
How to properly configure contact forms?
Often, when creating our website, we reach the point where there is a need to configure a contact form, whether it is for inquiries about offered services, submitting cooperation proposals, or, for example, sending orderContinue reading
How to detect email sender spoofing?
Recently, the most common way to steal data and infect computers is by sending emails with malicious content. These emails appear very serious, seemingly from a “legitimate” sender that the recipient recognizes. The emails areContinue reading
Fake e-mails from hackers and other dangerous messages.
For a long time, despite the use of various spam filters, suspicious messages from blackmailers can occasionally be observed in email inboxes. They claim to have allegedly hacked the email account’s passwords or taken controlContinue reading
SPF and DKIM – spam protection
There are various methods to protect against spam and phishing, among which SPF and DKIM are the most popular. What exactly are these mechanisms? You’ll find out in the following post. Before we start describingContinue reading
SPF – what is the difference between ~all and -all?
SPF is a very important tool for preventing unauthorized email sending, which was described in this article: SPF and DKIM – spam protection. This article presents a rather significant difference in the settings of thisContinue reading
SPF – How to add a new record
The SPF mechanism was explained in article about spf and dkim protection. In this guide we will show you how to add a new SPF record. Adding SPF through”Email Deliverability” 1. First, navigate to “EmailContinue reading