This is a common DKIM/SPF/DMARC/DomainKey/RBL test tool provided by AdminSystem Software Limited.
This tutorial introduces how to add DKIM signature to outgoing emails in Exchange Server 2007/2010/2013/2016/2019. It also demonstrates DKIM selector and Sender rule usage.
This tutorial introduces how to add DKIM signature to outgoing emails in Exchange Server 2003/2000. It also demonstrates DKIM selector and Sender rule usage.
This tutorial introduces how to add DKIM signature to outgoing emails in IIS SMTP Service. It also demonstrates DKIM selector and Sender rule usage.
This tutorial introduces how to verify and authenticate DKIM/SPF/DMARC for inbound emails in Exchange Server 2007/2010/2013/2016/2019. It also demonstrates how to use the authentication-results to stop spam and spoofing emails.