Pagkugi

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RainLoop and Pagkugi

Self-hosted webmail.

At a glance

In-app sanitized HTML, ManageSieve filters, an optional address book, themes, and a plugin system.

Where Pagkugi differs. The inverse of Pagkugi's local-first model: it requires a server and a browser, keeps no local message store, and does not compose with Unix tools.

Status
Maintained, legacy
License
MIT (legacy edition)
Platforms
Browser, self-hosted
Storage
Live IMAP is the sole source of truth; only derived data is cached.
Website
https://www.rainloop.net/
Source
https://github.com/RainLoop/rainloop-webmail

Where RainLoop is better

  • A self-hosted webmail with no local store to manage.
  • ManageSieve filters, themes, and plugins.

Storage and ownership

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

Feature Pagkugi RainLoop
Open local storage Yes No
Maildir as the live store Yes No
Works offline Yes No

Accounts and protocols

The servers and providers the client can talk to.

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

Reading

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

Feature Pagkugi RainLoop
In-app HTML rendering No Mail is converted to text instead. Yes Sanitized, with remote images controlled.
HTML converted to text Yes Yes
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 RainLoop
Rich or HTML composition No Composes text/plain; Markdown composition is not released. Yes
Snooze or send later No No
Full-text search Yes Yes
Custom incoming filters No The local filter engine is implemented but switched off. Yes ManageSieve.
Tags or labels No Read state only; no general labels or tags. Limited
Mailing-list actions Yes Plugin Through a plugin.
Command palette or keyboard-first No Actions live in explicit context menus. Limited
Open-thread work view Yes No

Security and privacy

Encryption, sender checks, and what leaves the machine.

Feature Pagkugi RainLoop
PGP / S/MIME No Not built in. Plugin Plugin.
Phishing or sender checks Yes Limited
Remote content blocked Yes Yes
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 RainLoop
Graphical desktop app Yes No
Terminal interface No No
Mobile app No Yes Responsive layout.
Web or self-hosted No Yes
Calendar, contacts, or groupware No Limited Address book.
Plugin or extension system No Yes
Open source No Proprietary commercial software. Yes
No account with its maker Yes Yes

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