draft-hutzler-spamops-05.txt

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Hi,

There was ... extended .. discussion on draft-hutzler-spamops-04 on the list. Maybe folks should re-read the revision. Personally I think it's better; not sure if it addresses some of the high-level concerns though.


semi-editorial
--------------

   BEST PRACTICES FOR SUBMISSION OPERATION:
...
   Submission Authentication:
          MSAs MUST perform authentication on the identity asserted
          during all mail transactions on the SUBMISSION port, even
          for a message having a RCPT TO address that would not cause
          the message to be relayed outside of the local
          administrative environment.

==> w/ local submission, is the IP address being local sufficient?  I don't
think the doc takes a stance on this, and this is pretty important as those
local users should not need to generate specific identities.

   BEST PRACTICES FOR SUPPORT OF EXTERNAL SUBMISSIONS:
....

   Traffic Identification -- External Posting Versus Relaying:
          For email being received from outside their local
          operational environment, email service providers MUST
          distinguish between mail that will be delivered inside that
          environment, versus mail that is to be relayed back out to
          the internet. This allows the MTA to restrict this
          operation, preventing the problem embodied by SopenT
          relays. Note that there are situations where this may not
          apply such as secondary MXs and related implementations
          internal to an operatorRs network and within their control.

==> what does traffic identification (at MTA?) have to do with message
submission ?

editorial
--------

   emailRs delivery from MUA to MSA, otherwise known as submission.

==> s/R/'/ other such later on

   physical platform separation is increasingly common

==> add period

          for both external AND LOCAL users for simplicity.

==> s/LOCAL/local/


--
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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