''<p>rg.gibek [[#question-1554115|said]]</p>'' <blockquote>Hello, I receive emails from the same site, some of which are clickable, others are not. If I read them with Orange, everything is fine, except with Thunderbird. What should I do to continue using Thunderbird? Thank you for your help. </blockquote> When links in messages received by TB are not clickable, it's usually due to the non-standard formatting of the sender's mail app, often a mobile app, such as from a phone. Unless you can get senders to embed links in text instead of just entering the bare URL, you can often bypass the problem by viewing messages in Plain Text or Simple HTML (from View/Message Body As). Press Alt if the Menu Bar with View is hidden.