If you send an e-mail without additional security measures, it’s like sending a postcard: if everything goes as planned, the information should arrive unchanged and unread in the recipient’s inbox. However, if someone intercepts the card or the e-mail in transit, they can read the contents without any problem and make as many changes as possible. Just like you would use an opaque envelope to...
The internet is not only a vast marketplace for companies, but also a gold mine for criminals. They attempt to steal user data and redirect financial transactions by constantly developing new methods. One popular technique is called pharming. But how does pharming work and how can internet users protect themselves?
Billions of spam e-mails are sent daily. These annoying messages cost time and get on your nerves, especially when malware finds its way onto your computer or private data falls into the wrong hands. Just a few small tricks and a bit of caution when dealing with e-mails can remedy the situation.
Scammers send out dubious e-mails attempting to obtain sensitive data from internet users every day. This is known as phishing and isn’t just annoying; fraudulent e-mails cost millions each year as internet users fall victim to them. We reveal how to identify phishing e-mails and how to render your inbox harmless.
A professional e-mail signature is a standard part of business communication. Private users can also stand to gain from these e-mail additions. But what exactly does a good e-mail signature contain? And which information should your company include when sending messages to customers or business partners?
Have you ever been curious about how an e-mail arrives at the designated recipient? The header area of an e-mail contains a lot more information than just the sender, the subject, the recipient and the date the e-mail was received. By displaying all of the e-mail header you can determine whether the e-mail falls into the spam category. Learn how to decipher the information in an e-mail header.
Spam e-mails may be annoying, but they’re mostly harmless. What’s more problematic is phishing – a technique whereby fraudsters try to con you by posing as trustworthy sender addresses in an attempt to get hold of sensitive data. These messages appear genuine too, because without a digital signature, it’s very easy to assume a trusted identity online. In order to protect customers and their own...
In e-mail marketing, KPIs (Key Performance Indicators) are extremely important for analysing campaigns. Various indicators can help you to determine the final success rate of your marketing activities. But how exactly can you measure metrics like a newsletter’s conversion rate, opening rate, and click-through rate? And which other KPIs are important?
Is your mail server configured with SMTP AUTH? If not, you should do so as soon as possible. Professional spammers are happy to see every open relay that they can use for the distribution of their junk mail. Such spam is not only hassle for the receiver, but also unnecessarily increases your server traffic and damages your online reputation. This security gap can be closed with the simple ESMTP...
For years, the captcha has been a necessary evil for securing interactive web applications (e.g. online forms) against spam. The fully-automatic public Turing test distinguishes between computers and humans. The test exposes which automatic queries are performed by spam robots, which then minimises the administrative effort needed for interactive websites. We present the most common types of...
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