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A good reputation, relevant content, and consistent list hygiene are the basis Resolutions belong to the New Year like fireworks and cava, but most of the time they remain what they are – just resolu...

Members of the CSA team will usually activate your IP addresses within one day. Please make sure that your IP addresses have correct DNS/rDNS entries and that your contact details are entered in the W...

DMARC stands for: Domain-based Message Authentication, Reporting and Conformance: domain-based message authentication, reporting and conformance of messages. The background to DMARC.org is to incre...

1. Background DKIM is a widely used method for the authentication of emails. But when DKIM is not used correctly, it is not effective and can offer a false sense of security. For this reason, here we...

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...

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...

To put it in a nutshell, DomainKeys Identified Mail (DKIM) enables a receiving email server to authenticate the sender of an email. The sending email server digitally signs each sent email. These sign...

Message from the Certified Senders Alliance supported by AOL, Microsoft and Google In the following article we want to clarify why marketers should implement DMARC (1)  as protection against phishing...

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...