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ActiveX errors when opening message

From MozillaZine Knowledge Base

This article was written for Thunderbird but also applies to Mozilla Suite / SeaMonkey (though some menu sequences may differ).


Thunderbird does not support or use ActiveX. If somebody gets a ActiveX error when opening a message sent using Thunderbird check whether the signature was created using Microsoft Word. You can prevent this problem by using another program such as a HTML editor like NVU to create the HTML signature.

See also