Does Plesk Automation support mailman(mailing lists)?
Mailman is not supported in PA 11.1 and PA 11.5. Thus, mailing list cannot be created by customer.
Please provide your suggestion for new functionality on User Voice:
The top-ranked suggestions are likely to be included in the next versions of Plesk Automation. You can get the information about the updates in our products in the following public sources:
https://partners.odin.com/ - public roadmaps for partners;
http://cloudblue.com/hcap/subscribe/ - marketing news and important announces;
https://kb.cloudblue.com/subscriptions/index.html - knowledge base, each product update comes with corresponding KB article;
Additionally for Plesk products you can use RSS feeds at https://kb.cloudblue.com/rss/index.html