Highlighting the tiles of unread incoming messages with color

[Grom]

I think it would be useful if the tiles of incoming unread messages were highlighted in color so that you could immediately pay attention to them. If it is possible to assign a certain color to recipients from the address book, then it will be fine.

[Jon]

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[Agentvirtuel]

Hello

Take a look at https://connect.mozilla.org/t5/ideas/customisable-colors-for-new-received-message/idc-p/71950