Email authentication via DKIM in Exchange Server with ExSBR

DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing. It allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain. The two main components of DKIM are cryptography and DNS. DNS is used to publish a public key. As DKIM is usually used to secure the communication in infrastructure-level and not per user, the entire verification process is usually hidden for end users.

For Exchange Server administrators there is an additional challenge beside the core implementation of DKIM itself: The verification is done per SMTP domain. As Exchange supports just one „exit“ by default, the messaging team need to add dedicated outbound send connectors per sender’s domain. And here is the point, where messageconcept can help to solve your problem: Our Exchange Server routing add-on ExSBR allows to add multiple exits to Exchange Server. You just need to configure ExSBR’s domain routing mode and create the send connectors. ExSBR will choose the right connector per domain automatically for you.

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