This article explains how the DomainKeys Identified Mail (DKIM) technology interacts with the Email Security.cloud Services (ESS).
DKIM is a technology that enables the recipient to verify that authorized sources send the emails. And that the body of emails was not modified during transit. It uses cryptographic key pairs together with hash functions to provide a mechanism to verify the authenticity and integrity of emails.
The basic function of ESS is that of a relay, it acts as an intermediary between the sender and recipient. It processes traffic and applies security filters, in accordance with the customer's preferences. From our position of intermediary, the DKIM technology has no application. It is designed to be processed at the end of an email's path. Therefore, please take into account the following considerations: