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Clarification:

1.) Internal Employee (user@company.com) sends email (person@badcompany.com)
2.) Internal Email server receives message
3.) Internal server does DNS MX Lookup of domain...

I am trying to setup a mail server that will accept mail from any host that attempts to send it mail, regardless of the recipient domain.

Example:

From: me@you.com To: you@<insert any domain...

I have attempted to recreate your error, and cannot :(

It appears that we have reached the end of both our understanding with what is going on here.

Try double checking that all standard scheme are installed correctly:

http://ubuntuforums.org/showthread.php?t=1313472



ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif...

Ah-ha!

Recheck that everything was done correctly in section 2:II-VI. This error is a result of the sudo scheme not being correctly initialized on the server. It is VERY important that step 2:V...

Try the following:

* Blow out (delete) SudoMaster file
* Create same file again with steps, stopping before the perl command step.
* Run THAT file into ldap (step 3 of 3)
* Run perl command on...

Ubuntu 9.10 (Karmic Koala) SUDO-LDAP Walk-through

Table of Contents:
Background
Assumptions
Server Configuration
Client Configuration
Reference
Background: