Download Center - Exchange Server Plugin

Don't hesitate. Try it out before you pay!

Important Notice:

Because we have renewed our code signing certificate for installer since April, 2024. When you download or run the installer, You may receive warning of "Windows SmartScreen prevented an unrecognized app from starting." Please click "More info", if Publisher is "AdminSystem Software Limited", then click "Keep anyway" and "Run anyway".

DKIM for Exchange Server and IIS SMTP Service

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.

Version: 3.8.0.6
Platform: Windows XP or later (32bit/x64)
IIS SMTP Service or Exchange Server 2000/2003/2007/2010/2013/2016/2019 installed
Size: 2.50MB

Download Now Learn More

S/MIME and Disclaimer for Exchange Server and IIS SMTP Service

Add html disclaimer or html signature with embedded images and digital signature to outgoing emails or encrypt outgoing email with S/MIME certificate in Exchange Server and IIS SMTP Service.

Version: 3.1.2.0
Platform: Windows XP or later (32bit/x64)
IIS SMTP Service or Exchange Server 2000/2003/2007/2010/2013/2016/2019 installed
Size: 2.29MB

Download Now Learn More

Sender Based Routing for Exchange Server

Re-route email messages to specified Send Connector based on Sender (Sender Based Routing), Group, Recipient and Subject in Exchange Server, it also support Transport Rule Based Routing.

Version: 1.1.0.7
Platform: Windows 2008 or later (32bit/x64)
Exchange Server 2007 SP1/2010/2013/2016/2019 installed
Size: 1.00MB

Download Now Learn More

Opportunistic TLS Router for IIS SMTP Service

Redirect email messages from outbound TLS enabled IIS SMTP Virtual Servers to a Plain TCP IIS SMTP Virtual Server in case of TLS not supported by recipient server.

Version: 1.0.0.5
Platform: Windows XP or later (32bit/x64)
IIS SMTP Service installed
Size: 0.89MB

Download Now Learn More