How to rename distribution list

[Gelpi Andrea]

In a Kolab server 3.3.4 exist about 100 domain with distribution list to 
external email.
To configure then a specific external address was created.

Now that external address has to be migrated on kolab server.

I cannot delete the external address because it is connected with about 
400 distribution list.
I cannot create it as a real mailbox because exist in ldap as external 
entry.

How can I change the external address in a real email without deleting 
and recreating all 400 distribution list?

Is it possible to rename distribution list via line command inside LDAP 
only?

Thamks.

-- 
ing. Andrea Gelpi
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La Terra non la abbiamo ereditata dai nostri avi,
ma la abbiamo presa in prestito dai nostri bambini.
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We do not inherit the Earth from our parents,
but borrow it from our children.
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