dn: o=example,c=com
objectclass: organization
o: example

dn:ou=users,o=example,c=com
objectclass: organizationalUnit
ou: users

dn: cn=Mailadmin,o=example,c=com
objectclass: person
objectclass: extensibleObject
sn:Mailadmin
cn:Mailadmin
uid: mailadmin
userPassword: geheim
saslAuthzTo: dn.regex: cn=(.*),
  o=example,c=com

dn: cn=Hans Mustermann,ou=users,
  o=example,c=com
objectclass: inetorgPerson
sn: Mustermann
cn: Hans Mustermann
uid:hansmu
mail: hansmu@example.com
userPassword:StrengGeheim