these 3 links or virus' do not show up if i open my e-mail contacts,but do show up when i am forwarding mail using my contacts list.
Firefox doesn't do email, it's a web browser.
If you are using Firefox to access your mail, you are using "web-mail". You need to seek support from your service provider or a forum for that service.
If your problem is with Mozilla Thunderbird, see this forum for support.
or this one