Recipient responses feed into spam evaluation in real time, according to the Certified Senders Alliance (CSA) The reputation of the sender and the relevance of the content are of importance Spam filters increasingly check incoming emails more restrictively by means of reported reactions of recipients. “Once the...

eco Association calls for more effort from operators and software developers A large number of websites und Internet clients – such as email servers, email clients, routers, and Internet services – are still not supporting all domain names. Often, they can only process domain endings of up to three characters – and...