Default: ``true``.
-**crypto.gpg_path**
- Name (or full path) of gpg binary to use in verification and
- decryption of PGP/MIME messages. NOTE: This configuration item is
- deprecated, and will be ignored if notmuch is built against GMime
- 3.0 or later.
-
- Default: ``gpg``.
-
**index.decrypt** **[STORED IN DATABASE]**
Policy for decrypting encrypted messages during indexing. Must be
one of: ``false``, ``auto``, ``nostash``, or ``true``.
**built_with.<name>**
Compile time feature <name>. Current possibilities include
- "compact" (see **notmuch-compact(1)**) and "field_processor" (see
- **notmuch-search-terms(7)**).
+ "retry_lock" (configure option, included by default).
+ (since notmuch 0.30, "compact" and "field_processor" are
+ always included.)
**query.<name>** **[STORED IN DATABASE]**
Expansion for named query called <name>. See