To Whom It May Concern:
The Mailhardener email hardening suite is a software product intended for monitoring email related security aspects of an internet domain.
This letter is to confirm that the Mailhardener email hardening suite is a sole source product, developed, sold and distributed exclusively by Mailhardener B.V., registered at the Netherlands Chamber of Commerce with registration number 92907814.
This product must be purchased directly by institutions from Mailhardener. There are no agents or dealers authorized to represent this product.