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Philippe Lieser edited this page Nov 16, 2023 · 11 revisions

Enable highlighting of From header

Highlights and/or colors the From address depending on the DKIM result.

To choose a color enter the HTML color name or value. There exist two special color names: windowtext for the default text color, and transparent to disable the highlighting by making it transparent.

highlighting of From header

Show DKIM header

Chose when the DKIM header row should be shown.

If the DKIM signature is correct, but there exist some minor issues, a warning icon is shown in the DKIM header. This warning icon has a tooltip with additional information.

DKIM header with warnings

Show DKIM tooltip for From header

Chose when the From header should have a tooltip with the detailed DKIM result.

DKIM tooltip for From header

Show the favicon of known signing domains before the From address

Shows the favicon of the signing domain before the From address. This makes it easy to recognize that an e-mail is signed by the correct domain. The favicon has a tooltip with the detailed DKIM result.

Note that a favicon is only shown if it is available via one of the following ways:

This is to ensure there is a trust relation between the signing domain and the favicon, so malicious domains can not show the favicon of another domain.

DKIM favicon

DKIM favicon tooltip

Option available since version 1.6.0.

Versions before 4.x

The following display option was removed in 4.0.0. Re-adding is tracked in #237.

Show DKIM status bar

Chose when a status bar with the DKIM result should be shown.

Text version:

Text version of DKIM status bar

Icon version (Icon changes color according to the DKIM result, and has a tooltip with the detailed DKIM result):

Icon version of DKIM status bar