To work correctly you must build the solution with references to the correct Microsoft Exchange DLLs.

An Exchange Transport Protocol agent that implements email address plussing.

Email Address Plussing allows for any inbox to have disposable emails using a plus.

https://en.wikipedia.org/wiki/Email_address#Sub-addressing

• James DeVincentis
• james@hexhost.net

1. Build from source or download pre-compiled DLLS from here: https://kill-9.me/524/exchange-email-plussing-transport-agent

2. Copy the compiled .dll file to C:\CustomAgents\PlusAgent.dll

3. Install the agent and set its priority so it is above the recipient filter.

Install-TransportAgent -Name "Email Plus Agent" -TransportAgentFactory:PlusAgent.PlusFactory -AssemblyPath:"C:\CustomAgents\PlusAgent.dll"
Get-TransportAgent
Set-TransportAgent "Email Plus Agent" -Priority:7
Enable-TransportAgent "Email Plus Agent"
restart-service msexchangetransport

3. Use.