1. Open the Exchange management shell
Click on start and then expand Exchange Server 2016 and click on Exchange Management shell.
2. Enter the following command
Type in the following command to view your current settings: Get-ReceiveConnector | select name,tarpitinterval.
3. Change the time
Type in the following command to change your tarpit levels: Get-ReceiveConnector -Identity "EX2019A\Default Frontend EX2019A" | Set-ReceiveConnector -TarpitInterval 00:00:00 -MaxAcknowledgementDelay 00:00:00 -MaxInboundConnection unlimited -MaxInboundConnectionPerSource unlimited -MaxInboundConnectionPercentagePerSource 100