DynamicSignature Transport Agent for Exchange

DynamicSignature Transport Agent (aka DSTA) is installed onto Microsoft Exchange.

It is compatible with Exchange 2013 & 2016 & 2019, all CU levels. (64-bit)

(Exchange 2010 and previous versions are not supported)

It requires the Mailbox role to be installed.

If your installation has multiple Mailbox servers you should install DSTA on each to get coverage.

It cannot be installed on the Front-End Transport server if you have a setup with Front-End / Back-End. FE servers only see in/out-going mail and not internal traffic.

It requires minimum .Net Framework 4.5.2

Profile Photos from EWS and AD are not supported