char cs_addr[64]; /* address logged in from */
/* The Internet type of thing */
+ char cs_principal_id[256]; /* User principal identity for XMPP, ActivityPub, etc. */
char cs_inet_email[128]; /* Return address of outbound Internet mail */
char cs_inet_other_emails[1024]; /* User's other valid Internet email addresses */
char cs_inet_fn[128]; /* Friendly-name of outbound Internet mail */