[Portfolio link Blocked by Fiverr]

Hi,
I am sorry to inform you that I am a web developer. Most of the time Buyers want to see my portfolio and past work as well as a demo site. So that they can select their design and make a decision to build the new site.
Here is a problem I am suffering. My portfolio link is not showing to buyers and it automatically blocking. Here is also showing " This message may contain a suspicious link, and couldn't be shown at this time."
How can You help me and What can I do now?