while with command line the following url is supported:
It does not work with the current Jenkins github plugin, I checked the matchers in https://github.com/jenkinsci/github-plugin/blob/master/src/main/java/com/cloudbees/jenkins/GitHubRepositoryName.java and found out that they do not match and produce the following error in the jenkins log:
Could not match URL firstname.lastname@example.org:/GAEBLER/imsartifacts
However, I found a workaround, which is to remove the slash after the colon. But it was really hard to find that issue and while using google or Jira search, I did not find any matches, but the URL:
works when configured in Jenkins and the webhook triggers from github too. They do perfectly work now.