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Notmuch and Pagkugi

A local indexing, search, and tagging system, not a complete mail client.

At a glance

Fast global search, arbitrary tags, thread relationships, and scripting through command-line and library interfaces.

Where Pagkugi differs. Not a direct Pagkugi replacement; it indexes local mail but does not receive or send it, and it is a component where Pagkugi is an integrated application.

Status
Active
License
GPL-3.0-or-later
Platforms
Unix-like systems; library and front ends
Storage
Operates on local mail, commonly Maildir; it does not receive or send mail.
Website
https://notmuchmail.org/
Source
https://git.notmuchmail.org/git/notmuch

Where Notmuch is better

  • Fast global search and arbitrary tags.
  • A scriptable index used by Emacs, Vim, Mutt, and other front ends.

Storage and ownership

Where the mail actually lives, and whether it survives the client.

Feature Pagkugi Notmuch
Open local storage Yes Yes
Maildir as the live store Yes Yes
Works offline Yes Yes

Accounts and protocols

The servers and providers the client can talk to.

Feature Pagkugi Notmuch
IMAP and SMTP Yes No
POP3 No Not in the first release. No
Gmail account No Provider-specific account model is not supported. No
Microsoft / Exchange No Exchange-specific account model is not supported. No
JMAP No No

Reading

How a message is presented, and what happens to HTML.

Feature Pagkugi Notmuch
In-app HTML rendering No Mail is converted to text instead. No
HTML converted to text Yes No
Conversation threading Yes Yes
Calendar invitations Limited A focused read-only viewer, not a calendar application. No

Writing and organizing

Composition, search, and the tools that shape a mailbox.

Feature Pagkugi Notmuch
Rich or HTML composition No Composes text/plain; Markdown composition is not released. No
Snooze or send later No No
Full-text search Yes Yes
Custom incoming filters No The local filter engine is implemented but switched off. No
Tags or labels No Read state only; no general labels or tags. Yes
Mailing-list actions Yes No
Command palette or keyboard-first No Actions live in explicit context menus. Limited CLI.
Open-thread work view Yes No

Security and privacy

Encryption, sender checks, and what leaves the machine.

Feature Pagkugi Notmuch
PGP / S/MIME No Not built in. No
Phishing or sender checks Yes No
Remote content blocked Yes No
Built-in AI features No No assistant, by design. No

Platform and business

Where it runs, how it extends, and how it is sold.

Feature Pagkugi Notmuch
Graphical desktop app Yes No
Terminal interface No Limited Through front ends.
Mobile app No No
Web or self-hosted No No
Calendar, contacts, or groupware No No
Plugin or extension system No Limited Front ends.
Open source No Proprietary commercial software. Yes
No account with its maker Yes Yes

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