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rely not allowed exchange 2010

Posted on 2010-08-16
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Last Modified: 2012-05-10
When I send mail using outlook pop3 using my exchange 2010 I am getting the error relay restriction.
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Question by:jobby1
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by:MAG03
ID: 33443828
is this for one user or all users? what is your current setup, do you have an edge server? do you have any spam filter software (I know MailMarshall can cause this error)?
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by:Busbar
ID: 33443915
follow this guide
http://www.msexchange.org/articles_tutorials/exchange-server-2007/mobility-client-access/using-pop3-imap4-access-exchange-2007-part1.html
also make sure that you configure the outgoing server as it requires authentication from the advanced page in outlook
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by:trial1982
ID: 33444015
You have to ensure my outgoing server requires authentication is ticked. Also do note that there are issues with pop3 on exch 2010.

You require to install exch 2010 rollup2 to fix pop3 issues. This was what I faced and I burnt my weekend figuring out.
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by:jobby1
ID: 33444302
All clients from out side our organization using internet to connect to POP3
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by:trial1982
ID: 33444746
On exchange 2010, did you disable to default receive connector?
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Author Comment

by:jobby1
ID: 33452152
no default connector is enabled.
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by:jobby1
ID: 33452165
which port i need to open in firewall port 25 or 587?
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by:sunnyc7
ID: 33480768
Let me take a stab @ it.
Can you describe the problem you are facing.

You mentioned that you are connected to exchange using Pop3 ?
What is the SMTP server you are using ?

does your ISP allow SMTP relay for other servers ? or does it allow SMTP relay *only* through their servers ?
Let me know who your ISP is and we can do some research and find out why you are not able to send emails from outlook.

thanks
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by:trial1982
ID: 33481505
Did you configure exchange 2010 for pop3? enable the pop3 service?


Also related could be
KB979431  When user migrated from Exchange Server 2003 to Exchange Server 2010, and that user connected via POP3, the POP3 service crashed.
http://support.microsoft.com/?kbid=979431

Download rollup2 to fix the pop3 issue above.
http://www.microsoft.com/downloads/details.aspx?FamilyID=6d3ae3e0-3982-46d6-9e9c-7d7d63fae565&displaylang=en
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Author Comment

by:jobby1
ID: 33490783
My problem is if I use port 25 to connect to my exchange 2010 and send mail using my exchange 2010 I am getting the error relay not allowed from my exchange server. I am sending email from exchange server directly I am not using any rely host of any ISP. I think for the exchange 2010 we need to use port 587 for sending mail using outlook.
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by:Busbar
ID: 33490788
did you add Exchange user permissions to he default receive connector
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by:MAG03
ID: 33490855
Would you by chance be using a dynamic IP address from your ISP? and use a service like DynDns or No-IP?
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Expert Comment

by:sunnyc7
ID: 33496819
Jobby1 - who is your ISP ? Let me know that.
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Accepted Solution

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jobby1 earned 0 total points
ID: 33518282
It is working now I opened the port 587 in my exchange server  and used the port same for sending mail using my POP client it is working.
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Expert Comment

by:trial1982
ID: 33519233
jobby1. did u download exchange rollup2 ????
 
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Author Comment

by:jobby1
ID: 33519805
No I could manage without rollup2
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