Every day, companies fall victim to email abuse, and the consequences are serious: damage to reputation, blocked communication, and, last but not least, financial losses. This is exactly where Flow Guard from NoSpamProxy comes in: it acts as an automatic shield before damage can occur.
Every day, millions of unwanted emails are sent over the internet. Spam filters do their best to block these emails, but some unwanted messages still find their way into our inboxes. There is a frequently overlooked but effective protective measure against spam: greylisting. The principle behind greylisting is to save time. With greylisting, emails are initially rejected and only accepted after a second delivery attempt. In addition, greylisting separates legitimate mail servers from those that do not comply with the relevant RFCs.
In this article, you will learn how greylisting works, why it is still an integral part of modern spam protection today, and why the intelligent greylisting in NoSpamProxy is particularly effective.
Whaling is a form of phishing that targets the “big fish” in a company, i.e., CEOs and other executives who have power, money, information, and influence. In our blog article, you can find out what whaling is, how it works, and how you can protect yourself and your company from whaling.
Digitization has also led to fundamental changes in the legal and administrative sectors. One of the most important developments was the introduction of the Electronic Court and Administration Mailbox (EGVP), which enabled the secure exchange of documents between citizens, companies, lawyers, authorities, and courts. The EGVP has since been replaced by specialized electronic mailboxes such as beA, beN, beBPo, beSt, and eBO—each with a clearly defined scope of application. The following overview shows the development from the original EGVP to today’s solutions and explains how they work in practice.
The used car trade is booming like never before—especially online. The multitude of platforms and digital marketplaces makes business easier, but also attracts criminals. Prospective buyers are always potential targets for fraudsters who use increasingly sophisticated scams to try to obtain money or sensitive data. One particularly dangerous scam is phishing with fake car catalogs. Victims receive seemingly professional offers in the mail, but these are actually the work of organized cybercriminals.
The term VS-NfD is often used in connection with the secure handling of sensitive information in government agencies and companies. In our blog article, you will learn what VS-NfD is, why knowledge of it can be essential for your IT security, and how NoSpamProxy can also protect your organization.
Email remains the number one gateway for cyberattacks. Whether phishing, malware, or targeted manipulation—the threats are constantly evolving. This makes it all the more important for companies to regularly review their email security. Email penetration tests are an effective way to do this. They simulate real attack scenarios and uncover vulnerabilities. This gives organizations a clear assessment of how resilient their communications infrastructure really is – and where urgent improvements are needed.
Cybercriminals are using increasingly sophisticated methods to attack companies and individuals via email. They often cleverly disguise their threats in seemingly harmless attachments or links. Conventional virus scanners are increasingly reaching their limits, as new, unknown malware can slip past them. This is where the concept of sandboxing comes in. Suspicious email content is executed in an isolated, virtual test environment so that even unknown attacks can be detected and repelled before they cause damage. In this blog article, you will learn how sandboxing works as an integral part of modern email security strategies, why it is indispensable in times of zero-day threats, and how the 32Guards Sandbox can provide you with lasting protection.
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