qmail-ldap and auth_smtp handling usernames differently between versions.

Hello list,

I have servers running an older version of qmail-ldap and (built from
source, build from FreeBSD ports?). I am in the middle of an upgrade
and have noticed that qmail-ldaplookup is working differently (latest
build). This manifests on the user end as mail clients were configured
for '[email protected]'
But qmail-auth is only accepting 'ecapriolo'

New Server:
[root@nymail1 /service/qmail-smtpd-5190]# qmail-ldaplookup -u ecapriolo
Searching ldap for: (&(objectClass=qmailUser)(uid=ecapriolo))
under dn: o=domain,c=US
Found 1 entry:

dn: [email protected],ou=user,ou=domain.com,o=domain,c=US
-------------------------------------------------------
objectClass: top
objectClass: person
objectClass: qmailUser
objectClass: inetOrgPerson
objectClass: shadowAccount
objectClass: sambaSamAccount
objectClass: posixAccount
objectClass: ldapPublicKey
objectClass: ciscoVPNUser
mail: [email protected]
uid: ecapriolo


Old server....
[root@mail2 smtpalt]# /var/qmail/bin/qmail-ldaplookup -u [email protected]
Searching ldap for: (&(objectClass=qmailUser)([email protected]))
under dn: o=domain,c=US
Found 1 entry:

dn: [email protected],ou=user,ou=domain.com,o=domain,c=US
-------------------------------------------------------
objectClass: top
objectClass: person
objectClass: qmailUser
objectClass: inetOrgPerson
objectClass: shadowAccount
objectClass: sambaSamAccount
objectClass: posixAccount
objectClass: ldapPublicKey
objectClass: ciscoVPNUser
mail: [email protected]
mail: [email protected]

Side note here: mail= is our naming attribute in openldap.  All the
control/ldap related files are identical between the old and the new
servers.

What changed?
Is this something I can fix with a control file?
Recompile?

Thank you,
Edward