A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Client SMTP Authorization (CSA)
Author(s) : D. Crocker, et al.
Filename : draft-crocker-csv-csa-00.txt
Pages : 14
Date : 2005-10-17
Internet operation has typically required no public mechanism for
announcing restriction or permission of particular hosts to operate
clients or servers for particular services on behalf of particular
domains. What is missing is an open, interoperable means by which a
trusted agency can announce authorization for a host to operate a
service. The current specification supports this capability for
sending SMTP clients. Specifically, is a sending SMTP client
permitted to act as a client MTA? Has a separate authority given it
permission to perform this service? Client SMTP Authorization (CSA)
specifies a DNS-based record that states whether an associated host
has permission to operate as a client MTA.
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