[exim] Re: tracing SMTP conversations

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Szerző: Jeremy Harris
Dátum:  
Címzett: exim-users
Tárgy: [exim] Re: tracing SMTP conversations
On 24/02/2024 02:12, graeme vetterlein via Exim-users wrote:
> The phrase "From header" is suitably vague, do they mean the "MAIL FROM"  envelope header
> or the From header in the mail body headers ?


I'd guess the latter. I usually phrase it as "From: hders"
to try to make the point, personally.

Wrt. Andrew's suggestion of debug mode: look specifically
for "SMTP>>" and "SMTP<<" lines in the debug.

For reference on Wireshark - that is very much a last resort.
It *is* possible to get Exim to dump TLS session keys to
a file which Wireshark can be told to use for decode of a
capture... Obviously given the security aspect, admin rights
are needed before Exim will do this. For anyone wanting
to do this: it's the usual SSLKEYLOGFILE (or however it
is spelled) env var, and you need to config Exim to keep
that in the environment, and be in debug mode.
--
Cheers,
Jeremy


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