Set-ReceiveConnector “Receive Connector Name” -tarpitinterval 00:00:00
To disable the SMTP tarpit for the created receive connector type the below from Exchange Management Shell: Create a receive connector from the GUI or shell command and lock it down to only allow the remote IP addresses you specify (for sending emails using this connector). This will display all the receive connectors with tarpit interval. Get-ReceiveConnector | Select name,tarpitinterval Log onto each CAS (Client Access Server) and type from Exchange Management Shell: You can read more about Exchange 2007 tarpit from:. Disable the advertising of Chunking and Binary Mime.ģ) Point the array to a SMTP relay server other than Exchange 2007 or 2010. Now equal logic array has a timeout of 2 minutes and hence the failure.ġ) Create a new receive connector for the array and set the tarpit time interval to 00:00:00 instead of 5 seconds (by default).Ģ) Create a new receive connector for the array. As there are plenty of BDAT commands sent per message with a 5 second delay per packet it adds up very quickly. Each chunk gets delayed 5 seconds before Exchange confirms it has received it. Exchange 2007 & 2010 will by default tarpit (slow down) any BDAT command that is not the “LAST” chunk. The equal logic array sends messages in small chunks using BDAT command. Exchange 2003 works fine and this is due to change in behaviour on Exchange 2007 & 2010 by Microsoft. The post explains the message delivery failure when sending diagnostics report using Exchange 2007 or 2010. Decided to do a search on the net and came across the below article that explains the exact problem:.
I went through all the settings but couldn’t find anything. Only change I could remember was I had pointed the SMTP relay to our new Exchange 2010 environment. So the SMTP was working, but why weren’t the logs coming through. Only few minutes later I got an email saying: Hmmm strange, I ran it again same problem. Only difference was I didn’t receive an email with the log files. I ran the usual diagnostics report from the Web interface. Today one of our Dell Equal logic disk failed.