Commit d3c7f049 authored by Tails developers's avatar Tails developers
Browse files

Test: EHLO sniffing with claws-mail requires torify.

Since claws-mail has no proxy settings the transparent proxy is used,
and apparently redirected packages are not seen by tcpdump.
parent 17216fd6
......@@ -94,12 +94,14 @@ Check the output for:
non-anonymizing SMTP relay. Then check that email's headers once
received, especially the `Received:` and `Message-ID:` ones.
* Also check that the EHLO/HELO SMTP message is not leaking anything
with a packet sniffer: Disable SSL/TLS for SMTP in Claws (so take
precautions for not leaking your password in plaintext by either
changing it temporarily or using a disposable account). Then run
`sudo tcpdump -i lo -w dump` to capture the packets before Tor
encrypts it, and check the dump for the HELO/EHLO message and
verify that it only contains `localhost`.
with a packet sniffer: Start claws with: `torify claws-mail` to
avoid using the transparent proxy (which will confuse tcpdump).
Disable SSL/TLS for SMTP in Claws (so take precautions for not
leaking your password in plaintext by either changing it temporarily
or using a disposable account). Then run `sudo tcpdump -i lo -w
dump` to capture the packets before Tor encrypts it, and check the
dump for the HELO/EHLO message and verify that it only contains
`localhost`.
# Whisperback
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