The Certified Senders Alliance is an email whitelist service provided by eco and the German Dialogmarketing Association (Deutscher Dialogmarketing Verband). The CSA whitelist is a positive list for email bulk senders. With ISPs and email-providers participating in the whitelist, solicited email does not need to enter the ISPs' spamfilter any longer - the chances of false positives (legitimate email erroneously tagged as spam) are reduced. Bulk email senders can apply for certification for the whitelist. They have to comply with the admission criteria, such as Closed-loop authentication, providing Masthead, revocation and unsubscribe functions, a clear identity, having sole technological control of the servers used to send emails and more. More information...
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