This new forum does not allow you to post links to pastebin unless you are TL 3; until then, you can post links in your message by:
- put the link in your message as you normally would,
- highlight the entire link,
- click the </> button on the formatting bar at the top of the reply window.
This will transform the link into preformatted text and it will be allowed by the forum software; the link will not be “click-able” but others will be able to copy-paste your link to their browsers.