You can display Email campaigns on a dedicated frontend page by creation of Custom Widget
and query and display the campaigns, issues and message templates.
More information about mail campaigns Api is available here
Query message templates of type Like a web page
is available in that article
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Sitefinity CMS Ideas&Feedback Portal
and vote to affect the priority of the items