These are safe to click on. We were signing up a new user to a website, but the email the user received had the username and password changed to “https://linkprotect.cudasvc.com/url?….”. It turned out to be the new Barracuda spam filter the client had put in was blocking the “username” and “password” being sent through the email.
Here is the link to the Barracuda spam filter service. https://ess.barracudanetworks.com
This is Barracuda’s “real-time” URL analysis rewriting the URLs. Bad URLs get directed to Barracuda’s warning, and good URL‘s go through. These “redirected” URLs don’t go away so they don’t expire, so those old links will still work. There is more information here on Barracuda’s site.
Let us know if this helped you…