dn: ou=mail,ou=apps,dc=example,dc=com
objectclass: organizationalUnit
ou: mail

dn: ou=aliases,ou=mail,ou=apps,dc=example,dc=com
objectclass: organizationalUnit
ou: aliases

dn: cn=abuse@example.com,ou=aliases,ou=mail,ou=apps,dc=example,dc=com
cn: abuse@example.com
objectclass: groupOfUniqueNames
uniquemember: uid=user1,ou=people,dc=example,dc=com

dn: cn=postmaster@example.com,ou=aliases,ou=mail,ou=apps,dc=example,dc=com
cn: postmaster@example.com
objectclass: groupOfUniqueNames
uniquemember: uid=user1,ou=people,dc=example,dc=com