webmail

v1.7.1 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 12d Communication & Email

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

calendar contacts email email-client jmap mail

+4 more

nextjs self-hosted typescript webmail

ReleasePort's take

Light signal

editorial:auto 12d

Version 1.7.1 adds PWA branding fields in the Admin tab and preserves inline images when replying to messages.

Why it matters: Admins can now customize PWA appearance; email replies reliably retain embedded images, improving user experience.

Summary

AI summary

Preserve inline images when replying, resolve destination account IDs for cross‑account drops.

Changes in this release

Type	Severity	Summary	CVE
Feature	Medium	Admin exposes PWA branding fields in admin Branding tab Admin exposes PWA branding fields in admin Branding tab Source: llm_adapter@2026-05-22 Confidence: high	—
Feature	Medium	Pro hides empty-state placeholder and collapses viewer pane in Pro mode Pro hides empty-state placeholder and collapses viewer pane in Pro mode Source: llm_adapter@2026-05-22 Confidence: high	—
Bugfix
Bugfix	Medium	Mail preserves inline images when replying Mail preserves inline images when replying Source: llm_adapter@2026-05-22 Confidence: high	—
Bugfix	Medium	Filters use canonical INBOX mailbox in Sieve filter paths Filters use canonical INBOX mailbox in Sieve filter paths Source: llm_adapter@2026-05-22 Confidence: high	—
Bugfix	Medium	Mail resolves destination account id to local namespace on cross-account mailbox drop Mail resolves destination account id to local namespace on cross-account mailbox drop Source: llm_adapter@2026-05-22 Confidence: high	—

Full changelog

1.7.1 (2026-05-22)

Features

Admin: Expose PWA branding fields in the admin Branding tab
Pro: Hide empty-state placeholder and collapse the viewer pane in Pro mode so the mail list fills the space

Fixes

Mail: Preserve inline images when replying (#163)
Filters: Use the canonical INBOX mailbox in Sieve filter paths (#313)
Mail: Resolve destination account id to the local namespace on cross-account mailbox drop

View diff on GitHub

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About webmail

Webmail built for the 21st Century. A modern, self-hosted email client for Stalwart Mail Server powered by the JMAP protocol. Email, calendar, contacts and files. Fast, private, and open source.

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Related context

Related tools

Earlier breaking changes

v1.7.0 Server‑managed plugin bundles must be Ed25519‑signed and admin‑approved before loading.
v1.7.0 Bundle hash is now full SHA-256; legacy hashes auto-migrated.
v1.7.0 Server-managed bundles require Ed25519 signature verification.
v1.7.0 Plugins run in sandboxed iframe with postMessage RPC bridge.