On Sat, 2009-09-12 at 23:51 -0400, Victor Duchovni wrote: > Your LDAP aliases table is expected to be equivalent in its use of > keys and values to the on-disk file. This is a frequently answered > question.
Thank you. I solved this by moving the LDAP lookup to a virtual table rather than a pure alias one: virtual_alias_domains = laterooms.com virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf In ldap-aliases.cf I also enhanced the query_filter so that mail for MS Exchange users (who all have the msExchMailboxGuid attribute) will be rejected at SMTP time. query_filter = (&(mail=%s)(!(msExchMailboxGuid=*))) Cheers, Gavin.
