When I signed up I didn’t get the activation email.
Found in the mail log that it had been classified as spam by spam assassin.
“BAYES_20,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,FSL_HELO_NON_FQDN_1,HELO_LOCALHOST,HTML_MESSAGE,RDNS_NONE,T_STY_INVIS_DIRECT”
I had to put the address on the allow list. Maybe others have the same issue.