Hi Robert,

The account used in the Core:Sendmail setting is used to authenticate against the SMTP-server (in your case Exchange) when sending e-mails from the otrs-system.

For Exchange, this means the account you enter needs to have rights on your Exchange server to send e-mails on behalf of all the email addresses in the otrs-system. This is a configuration in Exchange ("send on behalf of"). You can either use your product1-mailbox for this, or create a new exchange-account with rights on all three mailboxes.

Another option is to enable a dedicated receive connector in Exchange that accepts all incoming SMTP-traffic from your OTRS-server. In which case you can configure the connector to bypass the permissions-check entirely.

Hope this helps,

Mark Wesbeek

On Wed, Oct 28, 2015 at 6:25 PM, Robert Recchia <robrecc@gmail.com> wrote:
We have 3 queues in OTRS and each queue is set with its own System Address.  

so for example

product #1 queue all emails back and forth are sent by product1@company.com 
product #2 queue all emails back and forth are sent by product2@company.com 

We want to  use otrs with Microsoft Exchange and in the Admin section under The Framework:Core:Sendmail we had the exchange settings and the AuthUser and Password which works. 

For the Exchange AuthUser and Password I use the SMTP exchange credentials for product1@company.com

Problem is when someone  uses product2@company.com to respond to users opening tickets in queue 2 they cant we are getting the error

Can't use from 'product1@company.com' : 5505.7.1 Client does not have permissions to send as this sender

i guess that basically means we cant use product1@company.com to respond to a queue product2 that has a system address of product2.  Does that make sense to everyone.  And is there a easy way around this. 

I do not think creating a generic ms exchange account that is just used for exchange authentication would help or am I wrong.



Robert Recchia

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