Examples
# ldapsearch -h localhost objectclass=\* dn
uid=gshapiro, dc=example, dc=net
uid=jeff, dc=example, dc=net
uid=ca, dc=example, dc=net
# ldapsearch -h localhost uid=jeff
uid=jeff, dc=example, dc=net
objectclass=inetLocalMailRecipient
uid=jeff
maillocaladdress=jeff@example.net
maillocaladdress=jeffy@example.com
mailroutingaddress=jmorris@example.com
mailhost=katroo.example.com
# ldapsearch -h localhost '(&(objectClass=iNeTlOcAlMaIlReCiPiEnT) \
(mAiLlOcAlAdDrEsS=ca@example.net))' mailRoutingAddress
uid=ca, dc=example, dc=net
mailroutingaddress=ca@example.com
mailroutingaddress=ca@example.org