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Can not recieve any mail from outside source

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Can not recieve any mail from outside source - 30.Nov.2003 11:17:00 PM   
stinkypete

 

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From: Niagara, Canada
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Greetings, just installed the RC for Small Business Server 2003. Testing exchange 2003 in my basement before a launch. Bottom line is, I can not receive any email from outside accounts.
I can send messages out to other accounts. I can send OWA messages to myself.

I am using a cable connection, static IP running mail is okay by ISP so no ports blocked. Using www.changeip.com for my MX records, server is on the DMZ for my router, ran the internet connection wizard okay and nothing. Can not even send mail to the IP address.

Must have something to do with a security issue on the server. Has anyone had this problem, or, am I crazy?

St!nkyPete
Post #: 1
RE: Can not recieve any mail from outside source - 1.Dec.2003 9:36:00 AM   
Henrik Walther

 

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From: Copenhagen, Denmark
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Can you telnet your Exchange server on port 25 (domain not IP) from an external network ?

(in reply to stinkypete)
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RE: Can not recieve any mail from outside source - 1.Dec.2003 4:48:00 PM   
stinkypete

 

Posts: 10
Joined: 30.Nov.2003
From: Niagara, Canada
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I don't have much experience with telnet.
I opend command prompt and typed telnet domain.name and it told me could not connect on port 23.

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RE: Can not recieve any mail from outside source - 1.Dec.2003 5:23:00 PM   
Henrik Walther

 

Posts: 6928
Joined: 21.Nov.2002
From: Copenhagen, Denmark
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Try to type:

telnet your_mail_domain 25

You should then see something like:

220 your_mail_server Microsoft ESMTP MAIL Service, Version: 6.0.3790.0 ready at Mon, 1 Dec 2003 17:34:50 +0100

(in reply to stinkypete)
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RE: Can not recieve any mail from outside source - 1.Dec.2003 9:18:00 PM   
stinkypete

 

Posts: 10
Joined: 30.Nov.2003
From: Niagara, Canada
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Thanks HW, message from Could not open connect to the host on port 25. Connection Failed.

I think we are getting close, yes?

SP

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Post #: 5
RE: Can not recieve any mail from outside source - 1.Dec.2003 9:46:00 PM   
Henrik Walther

 

Posts: 6928
Joined: 21.Nov.2002
From: Copenhagen, Denmark
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Yes it seems so, now try to telnet it on your public IP address, is this possible ?

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RE: Can not recieve any mail from outside source - 1.Dec.2003 9:57:00 PM   
stinkypete

 

Posts: 10
Joined: 30.Nov.2003
From: Niagara, Canada
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Wait till I get home.
Seems M$ configured my router with a bunch of Virtual port settings and didn't enable them (bad M$).
Don't know why they did that. I mean I put that server's IP on the DMZ, you think DMZ is DMZ, right?

I have another NIC card I am going to throw in, I want to test VPN stuff.

Any white papers on Ex2k3 Virtual Servers?

SP

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Post #: 7
RE: Can not recieve any mail from outside source - 1.Dec.2003 10:30:00 PM   
Henrik Walther

 

Posts: 6928
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From: Copenhagen, Denmark
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No WhitePaper (yet) but maybe below Exchange 2000/2003 How-to guide can assist you:

HOW TO: Create a Virtual Server for Microsoft Exchange Server 2000

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RE: Can not recieve any mail from outside source - 1.Dec.2003 11:49:00 PM   
stinkypete

 

Posts: 10
Joined: 30.Nov.2003
From: Niagara, Canada
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Okay, so, the answer is YES. I can telnet to the server on port 25 from INSIDE the network.

Thanks for the article.

SP

(in reply to stinkypete)
Post #: 9
RE: Can not recieve any mail from outside source - 2.Dec.2003 12:31:00 PM   
Henrik Walther

 

Posts: 6928
Joined: 21.Nov.2002
From: Copenhagen, Denmark
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Ok then it's your MX record which are playing games with you.

You could check it for any errors under below sites:

http://www.checkdns.net/quickcheck.aspx

http://www.dnsreport.com

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RE: Can not recieve any mail from outside source - 2.Dec.2003 8:25:00 PM   
stinkypete

 

Posts: 10
Joined: 30.Nov.2003
From: Niagara, Canada
Status: offline
Well, I thought it was DNS but, wouldn't you think that if I can not telnet ipaddress 25 then it has nothing to do with DNS and everything to do with security.
I have tried a different router from another ISP connection and same thing.

Perhaps bug in release candidate???

SP

(in reply to stinkypete)
Post #: 11

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