EA DomainKeys/DKIM for Exchange Server and IIS SMTP Service

Why DomainKeys/DKIM is important to your Exchange Server

Email fraud is one of the biggest threat in the Internet world. To combat this, email authentication standards known as Domainkeys/DKIM were developed. DKIM allows an organization to generate cryptographic signatures on outgoing email to certify the origin of a message as coming from an authorized server for that domain and the integrity of email contents, which consequently is very useful for anti-phishing.

As Domainkeys/DKIM becomes more widely deployed, particularly in webmail services, financial sectors and e-commerce firms, if your domain has no DKIM implemented, outbounce emails from your domain are likely be flagged as spam or junk mail by the email servers which have Domainkeys/DKIM enabled (such as Hotmail, Yahoo mail and Gmail).

DomainKeys/DKIM for Exchange Server and IIS SMTP Service Features List

DomainKeys	Signing Algorithms: rsa-sha1 Canonicalization Algorithm: simple/nofws	RFC 4780
DKIM	Signing Algorithms: rsa-sha1, rsa-sha256 Canonicalization Algorithm: simple/relaxed	RFC 4781
Sender Rule	Send email on behalf on customer email address Sign DKIM/DomainKeys based on customized sender email address

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