Domainkeys/DKIM for IIS/Exchange Server - Version 2.1 With this tool, your IIS SMTP Service and ExchangeServer will be enabled to add DomainKeys/DKIM signatureto outgoing emails from specified domain(s), whichverify the DNS domain of an email sender and themessage integrity, and in turn preventing the emailsfrom your domain from being flagged as spam or junkmail by email servers which have Domainkeys/DKIMimplemented (such as Hotmail, Yahoo mail and Gmail). Inthe new version, DomainKeys/DKIM signature can be addedto IIS SMTP Service and Exchange Server outgoing emailsfrom specified domain(s).Requirements: - IIS SMTP Service or Exchange Server 2000/2003/2007installed - Exchange 2007 requires SP1 rollup 9 or SP2 installed