[Mimedefang] relaying for multiple domains and servers and LDAP lookups

[WBrown at e1b.org]

Is there a way (hopefully easy) to configure sendmail or mimedefang to 
query a number of different servers to validate email recipients before 
accepting a message. For example, email is recieved for xyz.org, I would 
look to their LDAP server, but a message for abc.org would be queried 
against the LDAP server for ABC.

Another alternative would be to pull the information from all the end mail 
servers using LDAP and dump it all into one local LDAP directory.  I could 
then query that local server (which would not require remote server to 
even be up).

Of the two options, it seems the second is preferrable, but I'm open to 
being convinced the first option is the way to go.  In our organization, 
there may be a need in the future for something similar to the second 
option, which could build upon my efforts.



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"I DON'T LIKE SPAM!!" -- Monty Python

William Brown
Messaging/Filtering Services
Erie 1 BOCES
(716)821-7285