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Big Help needed Exchange technology on SBS2003

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Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 8:40:34 AM   
gekkouk

 

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Hi,

I have a server with small business server 2003 on it, it runs as file store and domain controller, DHCP/DNS for our network.

I have clients with pop3 accounts which I would like them to be able to access when they login to their accounts.

Now I have it working,in that they receive their email, but they cant send it, an email is bounced back with "no relay allowed".

I am unsure as to how the best way to set this up.

A dummies quick guide would be greatly appreciated.

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Gekkouk
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RE: Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 9:29:43 AM   
bej

 

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Here you go:
http://www.msexchange.org/tutorials/Installing-and-Configuring-SBS2003.html

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Bengt Jonsson
MCSE:MESSAGING
MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 2
RE: Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 10:21:43 AM   
gekkouk

 

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Thanks for reply.

I have followed that, and it isnt near to what im looking for.

I am using POP3 accounts.

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Gekkouk

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RE: Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 10:32:59 AM   
bej

 

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Yes but you don´t use POP3 to send mail. Instead you use SMTP so check out the link and look under Post Installation and the E-mail and Internet Wizard.

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Bengt Jonsson
MCSE:MESSAGING
MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 4
RE: Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 11:28:54 AM   
gekkouk

 

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Yes, I know this.
But what I mean is, that article does not go into detail about exchange and Pop3 connectors.

I can receive mail (pop3) fine, I just cant send it.

I think it has somthing to do with the msg I get in return - "Relaying not allowed", I have spoke to the mail provider and they were far from helpful.

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Gekkouk

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Post #: 5
RE: Big Help needed Exchange technology on SBS2003 - 20.Sep.2005 12:45:41 PM   
MartinArnold

 

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Do you HAVE a connector - if not one needs to be made if you do - does the ip relay correctly ie. to your service provider

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RE: Big Help needed Exchange technology on SBS2003 - 21.Sep.2005 3:54:34 AM   
bej

 

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Still, your POP3 connection seems to work fine so what more help do you need with that? As I understand it your problem is with sending mail and since that has nothing to do with POP3 but relies entirely on SMTP ,that´s why you must configure your SMTP connection, preferably by setting up an SMTP connector.
http://www.msexchange.org/tutorials/Using_Exchange_2003_Mail_Wizard.html  

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MCSE:MESSAGING
MCITP Enterprise Messaging Administrator

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Post #: 7
RE: Big Help needed Exchange technology on SBS2003 - 21.Sep.2005 7:57:11 AM   
gekkouk

 

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Hi, and thanks.

Can you help me with this smtp connector setup.

My email is done by a seperate company, not my isp.
This company has provided an smtp address.

Currently in OE, I have to select that smtp requires authorisation, which is the same as the incoming email.

I am completely lost over what I have to do/how to setup the smtp connector you speak of,

I really appreciate your help guys.

I looked at the second guide, and it mentions - "select the Open Relay Configuration. The Default is “Disable open relay” I recommend to disable open relay, because an open relay opens your e-mail Server for Spammer and so on."

I dont understand how this could be, if im only passing email to my email hosts smtp server.. im confused.

Also, Im sure I tried to run this and got an error relating to bridgehead sumfin, will try again tonight.

< Message edited by gekkouk -- 21.Sep.2005 8:03:37 AM >


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Post #: 8
RE: Big Help needed Exchange technology on SBS2003 - 21.Sep.2005 8:29:46 AM   
bej

 

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If you´re haveing trouble with the wizard you can manually create a SMTP connector. There you can choose that you want to "Forward all mail through this connector to the following smart host" and there specify the address of the SMTP relay server of your hosting company. If it requires authentication you have to check with them.

You should disable open relay since this is a security threat inviting spammers and so on.

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Bengt Jonsson
MCSE:MESSAGING
MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 9
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 7:59:56 AM   
gekkouk

 

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Right... Got it working.. but not.

I can send email out... but certain hosts dont receive it.

I can receive email fine also.

I used microsofts smtpdiag tool, which you enter the sending and receiver email address, it errored complaing about server not accepting connections and not being able to find an MX record for somethign... I dont have error infront of me.

Apart from that, it seems to be working.

But obviously somthing is still up since certain domains ie hotmail ones are fine, blueyonder is fine, but a couple of addresses with other people dont receive any mail sent.

The mail is also left in the smtp que on server.


Any ideas guys?

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Gekkouk

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Post #: 10
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 10:31:13 AM   
bej

 

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You have to ask your mail host to add a PTR record for your Exchange server in the external DNS.

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MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 11
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 10:52:14 AM   
gekkouk

 

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Now... Our mail host isnt our ISP..... so do we ask out ISP then?

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Gekkouk

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Post #: 12
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 10:57:41 AM   
bej

 

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Whoever hosts your external DNS.

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Bengt Jonsson
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MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 13
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 11:01:07 AM   
gekkouk

 

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Thanks for all your help.

Could you explain why this has to be done?
I.e. what it does?

Im confused why some receive emails from me.. but others dont.

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Gekkouk

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Post #: 14
RE: Big Help needed Exchange technology on SBS2003 - 22.Sep.2005 11:08:32 AM   
bej

 

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You can configure your SMTP server to perform a reverse DNS lookup when receiving mail to verify that the senders address is valid. This is to increase security (which can be discussed) and if you don´t have a PTR record in your DNS for Exchange the address is considered not valid and the mail is rejected.
http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3SecHardGuide/443ccfaa-f408-4864-9418-e4ccd64ddbf6.mspx

_____________________________

Bengt Jonsson
MCSE:MESSAGING
MCITP Enterprise Messaging Administrator

(in reply to gekkouk)
Post #: 15

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