validity
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... basic service relies upon NAPTR rewrite rules to mechanically
construct a valid VPIM-specific email address. In the recipient's
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Note that there is no assurance the constructed address is valid, nor
that the constructed address corresponds to the intended recipient.
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... email protocols. The
ability to use this protocol to probe for valid addresses is
identical to the sending of test messages ...
... basic services rely upon the DNS to provide the
information necessary to validate a recipient or send a message. The
message sender is a casual, unauthenticated use of the indicated
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The IETF takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed to
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