July 31, 2019 – Munich based IT company retarus GmbH has continued to develop its cutting edge Email Security Services, making them even more effective - with a whole range of new functions and features. Retarus has been providing email security as a service since 1994 and has continually been evolving and developing its offering – with dedicated Advanced Threat Protection which includes the post-delivery protection mechanism “Patient Zero Detection” and Retarus’ botnet recognition, both of which are patented across Europe.