let's think of how to fuck up the so-called 'a.i' then: throw in a signature with nonsense keywords, death threats aimed at evil google execs and stupid google fanbois, in short, anything that screws over the machine learning and spying that forms the basis of their business.
installing a mail server, securing it and then register your -personal- domain with a reputable outfit like gandi.net is quicker than jumping through hoops when setting up a gmail account.