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Exchange 2010 rejecting trust relatiosnhip

A computer on our SBS 2011 / Exchange 2010 network runs voicemail software for a phone system. When the user gets a voicemail the computer is supposed to send out an email to the user notifying them. The tech for the phone system is giving me this information from his perspective:

From the tech:
I have reloaded software and double checked settings – all to no avail..  I have some tracking software on board now and am looking at the email trying to send – which ends up returning an error 7.  A little research on line has found that error 7 is caused by the email server rejecting the message and typically because of the reply to field or the ip address of the voicemail server is not in your trusted list on the mail server.

I am using the address of vmpro@xxxxx.edu to send messages, and the ip address of the server is

Can anyone point me where to address this?  I DO have a user called vmpro set up on the SBS 2011 server, with this email address.


1 Solution
ckeshavSr. Infrastructure SpecialistCommented:
You need to relay the Phone system in Exchange Server to accept mails.
Create a new receive connector and add the IP of the Phone System from the mails are generated. Follow the article to do this

dgrendaAuthor Commented:
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