Windows XP or later (32bit/x64)
IIS SMTP Service or Exchange Server 2000/2003/2007/2010/2013/2016/2019 installed
Add DomainKeys/DKIM signature to outgoing emails in Exchange Server or IIS SMTP service. Prevent the emails from your domain from being flagged as spam or junk mail by email servers which have Domainkeys/DKIM implemented (such as Hotmail, Yahoo mail and Gmail). An inbound transport agent for DKIM/SPF/DMARC authentication is provided as an optional component as well.
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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).
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