Also, they only disclose to GMX, Microsoft and Cisco, when they clearly write in the article that there's quite a big quantity of Postfix servers impacted (more than a million by the mentioned figure):
This might not seem bad at first, but looking at affected SMTP software on the Internet is a different story. After testing some popular e-mail software in their default configuration, it turned out that Postfix and Sendmail fulfil the requirements, are affected and can be smuggled to. Speaking globally, this is a lot (figure 31)!
