- // If we have a source room, it's probably a mailing list message; generate an unsubscribe header
- char esc_room[ROOMNAMELEN*2];
- char esc_email[1024];
- urlesc(esc_room, sizeof esc_room, source_room);
- urlesc(esc_email, sizeof esc_email, recp);
- cprintf("List-Unsubscribe: <http://%s/listsub?cmd=unsubscribe&room=%s&email=%s>\r\n",
- CtdlGetConfigStr("c_fqdn"),
- esc_room,
- esc_email
- );
+ char base_url[SIZ];
+ char unsubscribe_url[SIZ];
+ snprintf(base_url, sizeof base_url, "https://%s/listsub", CtdlGetConfigStr("c_fqdn"));
+ generate_one_click_url(unsubscribe_url, base_url, "unsubscribe", source_room, recp);
+ cprintf("List-Unsubscribe: %s\r\n", unsubscribe_url);
+ cprintf("List-Unsubscribe-Post: List-Unsubscribe=One-Click\r\n"); // RFC 8058
+