[Emailcore] Re: [Last-Call] Re: Re: draft-ietf-emailcore-as some mail stats

[Michael Richardson <[e-mail]>]

(I don't think last-call needs this part)

John R Levine <[e-mail]> wrote:
    > Out of curiosity, I wrote a script similar to SM's that looked at our IMAP
    > list archive to see how many messages were sent with or without TLS.  For
    > each message it looks at all the Received: headers, discards irrlevant ones
    > that use other protocols (MAPI mostly) or are on a single host or look like
    > submission.  It looked at hops between different hosts and counted how many
    > were all with ESMTPS or had indications they used TLS, and how many had at
    > least one non TLS-hop.

(And John asked me offlist about a non-TLS hop in my emails; which is between
desktop across LAN to MTA.  I poked it so it does TLS now)

    > Here's the numbers for the last 90 days for some of our lists.  I was
    > surprised how many non-TLS messages there were.  I spot checked and as far as
    > I could tell they were all real messages from people I recognized.

So, are these emails where there was at least one non-TLS hop, or ones where
there were *no* TLS from sender to IETF?

--
Michael Richardson <[e-mail]>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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