DKIM on Exchange

Setting up DKIM for Exchange Server for DMARC

Setting up DKIM for Exchange Server Out of the box Exchange Server does not support DKIM signing. And it doesn’t look like Microsoft has any intention of adding this feature any time soon. So for now the best way to implement DKIM signing is via third party a plugin. What is DKIM? DKIM (DomainKeys Identified Mail) is an email security standard designed to make sure messages weren’t altered in transit between the sending and recipient servers. It uses public-key cryptography to sign email with a private key as it leaves a sending server. Recipient servers can then use a public key published to a domain’s DNS to verify the source of the message, and that the body of the message hasn’t changed during transit. Once the hash made with the private key is verified with the public key by the recipient server, the message passes DKIM and is considered authentic.… Read More »Setting up DKIM for Exchange Server for DMARC