of its normal activity.
**index.decryption**
-
If a message contains encrypted content, and notmuch tries to
decrypt that content during indexing, it will add the property
``index.decryption=success`` when the cleartext was successfully
properties will be set on the message as a whole.
If notmuch never tried to decrypt an encrypted message during
- indexing (which is the default, see ``index.try_decrypt`` in
+ indexing (which is the default, see ``index.decrypt`` in
**notmuch-config(1)**), then this property will not be set on that
message.
**session-key**
When **notmuch-show(1)** or **nomtuch-reply** encounters a message
- with an encrypted part and ``--decrypt`` is set, if notmuch finds a
- ``session-key`` property associated with the message, it will try
- that stashed session key for decryption.
+ with an encrypted part, if notmuch finds a ``session-key``
+ property associated with the message, it will try that stashed
+ session key for decryption.
+
+ If you do not want to use any stashed session keys that might be
+ present, you should pass those programs ``--decrypt=false``.
Using a stashed session key with "notmuch show" will speed up
rendering of long encrypted threads. It also allows the user to
message. This includes attachments, cryptographic signatures, and
other material that cannot be reconstructed from the index alone.
+ See ``index.decrypt`` in **notmuch-config(1)** for more
+ details about how to set notmuch's policy on when to store session
+ keys.
+
The session key should be in the ASCII text form produced by
GnuPG. For OpenPGP, that consists of a decimal representation of
the hash algorithm used (identified by number from RFC 4880,