notmuch

Command-line based program for indexing, searching, reading, and tagging large collections of email messages. More information: https://notmuchmail.org/manpages/.

• Configure for first use:
  notmuch setup
• Add a tag for all messages matching a search term:
  notmuch tag +{{custom_tag}} "{{search_term}}"
• Remove a tag for all messages matching a search term:
  notmuch tag -{{custom_tag}} "{{search_term}}"
• Count messages matching the given search term:
  notmuch count --output={{messages|threads}} "{{search_term}}"
• Search for messages matching the given search term:
  notmuch search --format={{json|text}} --output={{summary|threads|messages|files|tags}} "{{search_term}}"
• Limit the number of search results to X:
  notmuch search --format={{json|text}} --output={{summary|threads|messages|files|tags}} --limit={{X}} "{{search_term}}"
• Create a reply template for a set of messages:
  notmuch reply --format={{default|headers-only}} --reply-to={{sender|all}} "{{search_term}}"