In the first place, what is phishing? Phishing is an invented word cobbled out of the two words “password” and “fishing”. Criminals use fake emails to try to obtain personal data – in particular logi...

14.03.2018

Commissioning a mail server is initially not terribly complicated, but at the latest when it comes to keeping an eye on your reputation, or if you want to implement authentication measures like SPF (S...

31.08.2017

Validating an email address is a really hard task. Some tried huge regular expressions to solve this, but they are unreadable and do not cover every case. This leads to the conclusion that, as a sende...

12.07.2017

Services Certification The CSA certifies senders of commercial emails who adhere to high quality standards. CSA certification gives you deliverability advantages with international mailbox and s...

03.05.2017

The protection of your data at certified-senders.org and summit.certified-senders.org I. General The Certified Senders Alliance is a service from eco – Association of the Internet Industry, Lichtstr...

27.04.2017

About CSA Who is the Certified Senders Alliance (CSA)? The Certified Senders Alliance (CSA) is a service from eco – Association of the Internet Industry in cooperation with the German Dialogmark...

27.04.2017

Why was IPv6 developed? IPv4 allows for around 4 billion addresses, of which 3.7 billion are usable. This address space is becoming increasingly exhausted. At the end of July 2015 only 160,000 IPv4 a...

03.09.2015