attributetype ( 1.3.6.1.4.1.0.1 NAME 'externalMail' DESC 'external mail address for communication outside the org' EQUALITY caseIgnoreIA5Match SUBSTR caseIgnoreIA5SubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{128} SINGLE-VALUE ) objectclass ( 1.3.6.1.4.1.0.2 NAME 'qzwiperson' DESC 'own object schema to add custom values' SUP top AUXILIARY MUST (cn $ sn $ uid $ externalMail) MAY ( displayName $ givenName $ homePhone $ homePostalAddress $ mail $ mobile $ o $ photo $ userCertificate $ x500uniqueIdentifier $ preferredLanguage $ userSMIMECertificate $ userPKCS12 $ userPassword $ telephoneNumber $ description ) )