Indicates the preferred method for getting a message to the entity, where the methods can be specified in order of decreasing priority.

Example: mhs $ physical.

Origin RFC 4519
Usage userApplications
Substring Matching Rule caseIgnoreSubstringsMatch
Equality Matching Rule caseIgnoreMatch
Single Value true
Names preferredDeliveryMethod
Ordering Matching Rule caseIgnoreOrderingMatch
User Modification Allowed true
Used By dNSDomain, dmd, domain, inetOrgPerson, organization, organizationalPerson, organizationalRole, organizationalUnit, pilotOrganization, pilotPerson, rFC822LocalPart, residentialPerson, sunservicecomponent
Schema File 00-core.ldif
Syntax Delivery Method
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