v6.0.1

Fixes

• Fixed the JavaScript DNS library resolver (#501).

v6.0.0

Breaking Changes

• Now requires at least Thunderbird 128.
• Remove migration of options from versions before 4.0.0.

Enhancements

• Fixed incompatibility with Thunderbird 136 (#494).
• Authentication-Results header: Improve default behavior about which headers are trusted.
  Instead of trusting all it now depends on the newest ARH (#465).

Fixes

• If the DKIM result fails because of the check of the sign rules the detailed view now still shows the details of the DKIM signature (#495).
• Authentication-Results header: If only an AUID is included again heuristically extract the SDID from it.
• Fixed setting default values for boolean preferences with policies on macOS via a .plist (#499).

Other

• Updated default rules and favicons (#497).

v5.6.0

Enhancements

• Support setting default values for preferences with managed storage (#268).
• An explicit alignment between the AUID and the From address is no longer enforced.
• Authentication-Results header: If replacing the add-ons verification, the SDID alignment is checked against the From address (#452).
• Authentication-Results header: If replacing the add-ons verification, the signature and hash algorithm are now shown in the details view.

Fixes

• Encoding errors in the RSA/Ed25519 key or signature now result in an invalid DKIM signature instead of an internal error.

v5.5.0

Enhancements

• Show all DKIM signatures with additional details in the DKIM button pop-up (#160, #299).
• Improved table views for sign rules and DKIM keys (#248, #305).
  E.g. it is now possible to delete multiple entries at once.
• Allow multiple * globs in the From pattern of sign rules (#471, #472).
• Changed the default color scheme for highlighting of the From header to better work with dark mode (#460).
• Changed the header icon to now have the same colors as Thunderbirds own icons.

Fixes

• Fixed potential parsing error when extracting the received time from the last Received header (#455).
• When parsing now support comments inside comments up to a recursion of 3 (#466).

Other

• Added Vietnamese translation (by vtvinh24) (#485).
• Updated default rules and favicons (#440, #443, #444, #447, #457, #461).
• Updated Brazilian Portuguese translations (#450).
• Updated French translations (#459).

v5.4.0

Enhancements

• Added support for using the Brand Indicators for Message Identification (BIMI) when showing favicons is enabled (#242).
• Added the possibility to show a favicon for a specific From address or AUID (#107).
• Don't save DKIM results that contain a temporary error.
• Show proper error message if parsing of a message failed.
• Show DKIM label if "Hide labels column" is enabled.
• Authentication-Results header: if reading of non RFC compliant ARHs is enabled, a : in a property value is now allowed without the value being in a quoted-string.
• Authentication-Results header: don't restrict result keyword for unknown methods.

Fixes

• Fixed signature verification if a signed header contains a non ASCII character.
• Fixed support for Thunderbird Conversations add-on in Thunderbird 115 and later (#395).
• Libunbound resolver: Fixed using a relative path to the profile directory in Thunderbird 115 and later (#385).

Other

• Added Polish translation (by dMbski) (#392).
• Options navigation is now flat.
• Updated default rules and favicons (#387, #393, #399).

v5.3.1

Fixes

• Fixed incompatibility with Thunderbird 115 if no preferences exist, e.g. a new installation.

v5.3.0

Enhancements

• Fixed incompatibility with Thunderbird 115 (#364).
• Support the offline mode of Thunderbird.
  No DNS queries are done if Thunderbird is in the offline mode (#129).
• JSDNS: Support IPv6 addresses (#363)
• JSDNS: Improved how the addon behaves if all DNS servers were not reachable.
  By default the addon will now try them again instead of getting in a state there all further DNS queries will fail (#269).
  If getting DNS servers from OS configuration is enabled, they will now also be read from the OS again (#90).

Other

• Updated default rules and favicons (#365).

v5.2.0

Enhancements

• Extract the received time from the last Received header and use it as the verification time (#336).
• Fixed incompatibility with Thunderbird 113 (#352).

Fixes

• Fixed extension not working for attached or external messages (#216).
  Requires Thunderbird 106 or later.
• Fixed empty tags being treated as ill-formed. This e.g. fixes revoked DKIM keys.
• Fixed tooltip for From header in Thunderbird 102 or newer (#311).
• Fixed missing body resulting in internal error (#347).

Other

• Added Traditional Chinese translation (by NightFeather) (#335).
• Updated default rules and favicons (#334, #337).

v5.1.1

Fixes

• Invalid Reply-To header is now ignored instead of resulting in internal error (#321).

Other

• Updated default rules and favicons (#323, #326, #327).

v5.1.0

Enhancements

• Added heuristic to detect maliciously added unsigned headers (#102).
• Configurable option to warn about unsigned headers that are recommended to be signed (#102, #277).
• Improved theming of header icon in Thunderbird 102.
• Authentication-Results header: Prefer to show failure results that include a reason and are related to the sending domain (#247).

Fixes

• Fixed error when opening messages in a new window in Thunderbird 102.

Other

• updated default rules and favicons