I am doing a lab setup for Exchange Server, and it requires a high volume of email to go through it. I figured the best way to do this was to get a linux machine and create a quick script on the command line to basically send email continuously to the Exchange server. The linux box says that it is sending the mail, and I can telnet to port 25 on the Exchange server from it, but nothing happens. The machine that I'm sending from is not in the AD domain that the Exchange server and DC are on. It is on the same subnet, but not part of the domain.I can not find any kind of logging on the Exchange server saying whether something attempted to email to it or not. If I could see that it was at least getting to it but then being dropped for whatever reason, that would help.Here's a basic form of my setup:4machines, all on the same subnet (172.16.95.0/24).First is the domain controller. The name of the domain in this case is "LABAD2". The domain is setup to accept pre-2000 style formatting (for linux/unix compatibility).Second machine is the Exchange server. It is in the domain.Third machine is the linux box. It is not in the domain, but is on the same subnet.Fourth machine is running Vista Ultimate and Outlook 2007. It is on the domain, and can send/receive mail just fine.All machines can communicate, and have no networking issues talking to each other.So I know the Exchange server is working, as email can go to/from the Vista box.So I guess this is a long-winded way of asking how do I email from an account on the linux box to an account on the Exchange server?I have posted this on the primary linux forum, and have not got a response. So I'm hoping it's just a matter of configuring something on the Exchange side.

Darren, I'm not sure what you are trying to do it bit sounds like stress test the Exchange environment. Have you looked at these tools? http://www.msexchange.org/articles/Microsoft-Exchange-Load-Generator.html http://technet.microsoft.com/en-us/library/bb508970.aspx http://technet.microsoft.com/en-us/library/bb643093.aspx Mark Morowczynski|MCSE 2003:Messaging, Security|MCITP: Enterprise Support|MCTS:Windows Mobile Admin|Security+|http://almostdailytech.com

Thanks for that. The load generator looks to be almost exactly what I need, except it doesn't appear to actually save anything into the database. What I need is this functionality, but actually leaving the messages in the database (simulating high traffic, with increasing database size per user). The jettest directly manipulates the database, but doesn't change user mailbox sizes (from what I can tell). The messages need not have more than a single word in them, anything really, just needs to be what would be considered a valid message.So my thought was sending bazillions of one-liners from a linux box in an endless loop. But if I can get this working via one of these load tester tools, then that's even better.Thanks for the help so far...

Hi,Whether the receivers are the mail enabled user of the Exchange server or the Exchange server is just the relay server?Could you send the email by using telnet from the linux machine?ThanksAllen

I can telnet from the linux machine to the Exchange box, yes, but I'm not familiar enough with mail protocols to know what to input after the HELO negotiation.I found a Windows-based shareware program that looks like it will do the job. It's a mass-mailer type of thing, but I can push its "poor-ethics purpose" aside for this since it is for internal testing only.

Hi,The command for the telnet is as below:Telnet server name 25helomail from:test@domain.comrcpt to:internaluser@yourdomain.comdata.quitThen you can check whether the internal user receive the email.You can also view the below link for your reference:http://support.microsoft.com/kb/153119Additionally, please clarify the first question in the previous post.ThanksAllen