Duplicate message ids
Mark Walters
markwalters1009 at gmail.com
Sun Aug 27 02:45:10 PDT 2017
Hi
A concern for notmuch is some form of attack via someone sending a
message with a duplicate message id. I think I have seen it asserted
that it is not so much of a problem as the first message received by
notmuch will have priority.
However, I believe that this is not the case. The script below gives a
demonstration (on my system at least). I have written it as a "test" so
(I hope) it doesn't mess up the system. It should work if you put it in
the test directory and execute it.
It adds a message, runs notmuch new, adds a message with the same id,
runs notmuch new, and then runs notmuch search <id> and notmuch show
<id>. The former shows the subject of the first message, and the latter
the subject of the second message.
Best wishes
Mark
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