configure Exchange for external email

Posted on 2013-11-14
Last Modified: 2013-11-15
configure Exchange for external email

I need to download a free email client that uses IMAP, then send email to a public email address, I want the email to go through our Exchange server 2010.
Free email Client for MAC would be the ideal, since I have MAC.
MAC has default MAIL, but  I cannot get it to configure for IMAP. the only way it works if I connect it straight to Exchange server 2010.
in my case I want to test if our Exchange server can relay email for authenticated users.

How can I achieve this?

Any help will be very much appreciated.

Thank you
Question by:jskfan
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LVL 53

Assisted Solution

by:Will Szymkowski
Will Szymkowski earned 500 total points
ID: 39649817
You can use the below article to setup permissions to allow External authenticated relay for Exchange...

Your best option for Mail client for Exchange on MAC is entourage.

Autheniticated External Relay -

Also See

External Relay Troubleshooting -


Author Comment

ID: 39649878

That link is a little bit confusing:

can you just paste the steps I should take

even the powershell command needs an example...

Author Comment

ID: 39649890

Author Comment

ID: 39649916
I believe though it is not a Relay configuration that is needed...

if I am not wrong, it is how to get a NON exchange application to authenticate and Exchange users with SMTP.
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LVL 53

Accepted Solution

Will Szymkowski earned 500 total points
ID: 39649926
Ahhh, ok. Then that would be a receive connector. You need to create a new Receive connector with proper permissions for anonomous senders.

See the below link on how to create a receive connector for anonomous senders.

Once you have the receive connector created/configured, you then need to add the IP addresses of applicaiton server or device that you want to allow send of emails.


Author Comment

ID: 39649972
I am going to simulate what users do:

Let 's say for instance you  have an Exchange mailbox
you are outside the company on your PC connected to internet, and you have a  form, and you fill out the following fields

Outbound Email Server(SMTP)

username: domainname\username
Email Password:

Click (Send Test mail)

in our case the connection fails, with error "Could not connect to SMTP Host"

Author Comment

ID: 39649995

I found out a user can connect to Exchange server using IMAP , but when sending he cannot send through Exchange server

Author Comment

ID: 39650043
Wow... I cannot configure IMAP account in Outlook...
I used NSlookup, the set type=MX, then typed our domain name
it gave me the Mail exchanger

so I used for Incoming and Outgoing Mail server(SMTP)

But still get connection to the server failed.

Author Closing Comment

ID: 39652568

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