relaying isn't even an issue since you'd configure your SMTP daemon to accept conections form 192.168.1.0/24 or whatever your LAN is.
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Setting up non authentication SMTP in a relaying fashion
Hi all-
This is my first question posted here on EE, so feel free to prompt me on any ways I can ask questions in a more preferred manner.
My situation-
I have a piece of Intuit software running in house that has the ability to email out POs. No, its not quicken or anything like that. The only settings applyable to the email server are - server name, and port number. No authentication available.
Our ISPs email server used to support this - due to the heightened spamming of late, they now force authentication, which broke my functionailty.
I have both a win2003 server (exchange/domain controller) and a win2000 server (tape backup/web server) to do this on. I would prefer to set this up on the newer win2k3 box if I can.
My plan in theory only is this - set up SMTP on the win2k3 box, in a relay fashion to my ISPs SMTP server. So anything my server gets, it just hands off to the other server. I dont currently have any outside DNS pointing in, in case that matters. Once I have confirmed relay is working, then I would set up my internal server to not require authentication. This would only be an available service on the internal network.
I think that will work - but I have little experience on the nitty gritty of email servers, and I dont really know where to go to set up non authenticated (or pre authenticated) smtp.
Thanks for any help - any other questions that might help, just ask me.
Eric
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Answers
Thanks Fixnix-
I figured this should be doable - dont have any linux boxes on the lan yet, I would like to do it with my existing IIS6/exchange if I could. The SMTP service is installed (according to the add/remove windows component list) but Im not sure where to go from here.
Anyone have any specifics? I would like to start putting this together in about an hour, would be sweet if anyone could help me by then. this is my first question on EE, I will try to be more than fair with the points.
Eric
http://www.exchangefaq.org
If you're NOT running Exchange Server... then go to IIS. Verify that SMTP services have been installed or not. If not, then add it as a Windows Component via Control Panel (Add / Remove Programs).
Once you establish that SMTP is running on IIS, then you need to change the PROPERTIES to relay, and then apply authetication. Be careful when opening a relay as their our Spammers that would seek you out and will happily accommodate your SMTP server in their Spam relaying. (http://support.microsoft.
Hey Ir-
Gonna beat you up a little here - above I posted that I do have the component in add remove already, and I am running exchange, and I will only be setting this up internally, not reachable from outside the lan (no port forwarding on smtp, no dns even pointing to this server). Sorry - but you missed almost all of my details above.
Eric
Yikes,
I re-read your initial post where you need a non-authetication platform. Hmmm..you really need to have your mail server locked down to prevent unauthorized relay access.
Here are other options.
1) Does the program you use have any upgrade / patch / path to configure for authentication? Perhaps checking with Intuit, they may have a solution.
2) Why not just specify your provider's SMTP server directly instead of using your internal network's SMTP server? If they require authentication, then you're stuck here.
Hey Eric,
I think I better call it a night....I've been up almost 24 hours.... and "duh". After my second post, I missed even more of the detail, how you like that? The "i'm gonna beat me up" would be more like a wake-up...
Argh!
Ok.. in Exchange Server 2003 go to the Exchange System Manager
Expand
- Administrative Groups
- first administrative group
- servers
- (YOUR server)
- Protocols
- SMTP
- Default SMTP Virtual Server (Right Click - Choose Properties)
You need to configure Authentication, Connection and Relay. Tailor to your needs, and then TEST TEST TEST.
Since this will only handle mail from the internal network. Keep your IP address specific to those machines that will send your SMTP server data.
Here are 2 helpful links;
http://www.msexchange.org/
http://www.exchangeserverh
Hey IR-
Intuit doesnt support authentication - the program is "Master Builder" btw. Its, IMO... behind the times. And they have no intention of adding features.
Hence why I want to relay non auth through my own server, and have it auth to a real smtp server, as I really dont want to set it up as a full time smtp server internally, although that is a consideration.
Leaving now to go to my client and start working on this. Thanks for piping in, any security considerations that you hav concerns about, I want to know about.
Eric
IR -
Wow, thats a long time to be awake. No worries.
The instructions here help all quite a bit, I seem to be in the right spot to do this - except, I dont see in the exchange manager where I put in my authentication for the external server (the other isp server is there, but username/pass) I cant seem to find where to enter that.
I seem to be real close. Any ideas?
Eric
Okay, nevermind. I found it!
The language was a bit vague, but it seems to be working.
Thanks guys! As soon as I have a few spare minutes, I will figure out how to distro points up here.
Wrestling with a cisco ADSL module card right now. Everything is happening but DHCP doesnt seem to be working, and the configurator doesnt seem to like the IP address I get static anyhow - wont let me put it in. Perhaps I will ask another question, since this EE place seems to be meeting my expectations, which I like.
Well worth the money.
Eric
Well, good news and bad.
The actiontec DSL router I was transferring out of service in liue of a nice new cisco 1800 box was reporting some bad IP. I think. It had an address with a 32 bit sub mask, the cisco box wouldnt accept that as valid, either static or via dhcp. So I set it to static on a /24 - works perfect. Dont ask me how.
Bad news - I am getting a combo of 2 errors still on this issue.
Event manager tells me either the remote server rejected AUTH negotiation - the details benig 250-pipelining, and 250-8bitmime, OR, it just refuses to talk to me.
I did notice on my first pass that I misspelled the login name. Doh! I am triple checking everything as we speak.
Are there any tools besides sending an email and waiting 20 minutes, that would help me diagnose this a bit faster?
I would appreciate it. Thanks!
Eric
Configure a workstation to use your Exchange SMTP server (Outlook or Outllook Express). In the email configuration, rather than use your hosting provider SMTP, use your server IP.
Email to another outside host system, such as hotmail or yahoo. Create accounts if you have to just for this purpose. If you mail goes through, to this auxiliary account.. Then your SMTP mail server is working AND your server is authenticating on your hosting provider.
Just wanted to add-
I figured this one out earlier. On the clients PC in question, something was wrong with it and all pop3 traffic was getting screwed up. Reboot, and everything started working fine. I probably had this working right for a long time - I just didnt think of another possible variable. Might be a virus/worm on there, hmm... will inspect it tomorrow.
Eric
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by: fixnixPosted on 2005-12-27 at 07:34:19ID: 15556000
It should work exactly as you describe fairly easilly although I'm not much of an IIS user so I can't point you to the specifics. I know with certainty this can be done w/ about any linux distribution because I have done exactly what you describe. Our copier/scanner/fax floor unit can send emails and needed an unauthenticated SMTP server. I set up a mail server on our lan as a "forwarder" which then connected to our ISP's outgoing mail server. In 'nix it was about as easy as changing one line in the config file to use the ISP's SMTP server for outbound mail. I would think there'd be a simillar setting in IIS somewhere. Sorry I can't offer any more than that due to my lack of experience w/ doze SMTP in IIS.