Just thought I'd throw this tip out there if you are running Exchange in your environment. I have RT configured on my CentOS 5.5 box, help.domain.com. My /etc/alias file uses [email protected]<mailto:[email protected]> for incoming requests into my main helpdesk queue. What I've done with Exchange, that hosts for domain.com, is to create the email [email protected]<mailto:[email protected]>, and a contact for [email protected]<mailto:[email protected]>. The newly created Exchange mailbox, [email protected]<mailto:[email protected]> forwards to [email protected]<mailto:[email protected]>. What this allows me to do is use delivery restrictions on the Exchange account to limit the help desk to authenticated users only, thus blocking outside requests. I know RT has it's own mechanism to do this, but this allows me to open it up easily if I need to, and I can use LDAP authentication alongside local users in RT.
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