As you might know, the German email landscape is special in several ways. For instance, three local email providers own about 75% of market shares for consumer email addresses. It’s not Hotmail, Gmail, Yahoo! Mail or AOL – but GMX, Web.de and T-Online. Second, the association of the German Internet Industry (eco, representing ISPs) and the Dialogue Marketing Association (DDV, representing bulk mailers) joined forces in 2005 to launch the so called Certified Senders Alliance (CSA, about) – a central bulk mailer whitelist.
Yesterday, Yahoo! Mail joined this trusted network project to improve email deliverability for accredited senders. Below, you’ll find some useful background information. It also helps to understand, why deliverability is perhaps not such a big problem in German B2C markets as it is in other regions… Continue reading