service
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... capabilities for message routing based on one of two mechanisms. The
most complete service should use the ENUM address resolution service ...
... service should use the ENUM address resolution service
to determine the VPIM directory, and then use LDAP ...
...
The more basic send-and-pray message service uses only the ENUM
service and MX records to route the message to the intended
...
... The more basic send-and-pray message service uses only the ENUM
service and MX records to route the message to the intended
recipient's domain ...
... The basic mechanism may be used even when there is a VPIM directory
service available. The basic service is useful when LDAP queries ...
... extensible for all store-and-forward, telephone-number addressed
messaging services.
It is a goal that the VPIM directory ...
... The Complete Service ...
... email address.
The client SHOULD use the ENUM service to retrieve the identity of
the VPIM Directory ...
... o Malicious Redirection
One of the fundamental dangers related to any service such as
this is that a malicious entry in a resolver's database will
...
... containing fraudulent or damaging information.
o Denial of Service
By removing ...
... ENUM protocol and
querying for the VPIMDIR service associated with the telephone number
of the recipient.
...
... configuration. NAPTR weight fields provide the ability to give two
records indicating the same service and preference a different
weight. The same weight can be specified for random distribution
between the two servers. See [NAPTR-1 ...
... The Basic Service ...
... o Malicious Redirection
One of the fundamental dangers related to any service such as
this is that a malicious entry in a resolver's database will
...
...
The exposure of email addresses through the ENUM service
provides a bulk mailer access to large numbers of email
addresses where only the telephone number ...
... Service-based Mail Routing ...
... separate messaging system. That system may be a single voice
messaging server or a service-specific gateway into a larger
telephone number ...
... Such a mail gateway may be provisioned with a simple rule or small
set of rules to forward all messages of a given service type to a
pre-defined server. This rule would check for the service name
...
... set of rules to forward all messages of a given service type to a
pre-defined server. This rule would check for the service name
"VPIM" as a prefix ...
...
Both the complete and basic services rely upon the DNS to provide the
information necessary to validate ...
... DNS security
does not protect against the LDAP service being independently
compromised. Further discussion on the risk to this LDAP ...
... registers the E2U+VPIM and E2U+Voice services
according to the specifications and guidelines in RFC 3761prop [ENUM ...