There is the documentation on phpList here: https://resources.phplist.com/documentation/start and don’t forget to check out the old version docs as well as most of these still apply to version 3 of phpList: http://docs.phplist.com/

Installed phpList? Got a question about how to set it up (that’s not answered in the Docs)? Ask Questions in the Forums: https://forums.phplist.com/ Register here for the Forums: https://forums.phplist.com/ucp.php?mode=register
Please remember, this is for basic chat, Questions about phpList, installation, how to use should go in the forums.