Switch dictionaries automatically based on recipients

Also has a how-to for doing it manually.

” … Switching dictionaries manually every time you write in a different language can be quite the nuisance if you have to do so several times a day.
“The Thunderbird extension Automatic Dictionary Switching makes life a lot easier by remembering the selected dictionary for each contact that you have in the browser. It saves the selection that you make under spelling when you are in a compose window so that it will be remembered and automatically selected the next time you write that particular user or users a messages. … “

Source: Ghacks Technology Newsletter
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