We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Black email background

kate14
kate14
more options

Some email I receive, when opened, have a black background with no clearly visible text. If text area is highlighted it appears to be blue in colour.

Some email I receive, when opened, have a black background with no clearly visible text. If text area is highlighted it appears to be blue in colour.
Attached screenshots

All Replies (2)

День сумо
День сумо
more options

Hello there kate14 We have read your message We try to help you


On your laptop?

Do you have AppMenu/View/Message Body As set to Original HTML, and "Allow content to choose its own colors" checked in

AppMenu/Options/Options/Display/Formatting/Colors?


http://kb.mozillazine.org/Filters_%28Thunderbird%29 http://kb.mozillazine.org/Global_Inbox


Greetings Firefox Volunteer.

Modified by День сумо

День сумо
День сумо
more options

Hello there again.

Other options are Change background color of messages



For Mac:/ Set up a default for all new messages you write: MAC: 'Thunderbird' > 'Preferences' > 'Composition' > 'General' tab uncheck 'Use Reader's default colours' Then select the Text colour and background colour by clicking on the square colour icons and choosing a colour. click on OK



This is for Win to a same use as above- Tools/Options/Composition/General/HTML. Press Alt if the Menu Bar with Tools is hidden.-


Greetings Firefox Volunteer.

Modified by День сумо