emails: fix and confirm function of all emails

both custom and standard emails tested, quite a few fixes made,
including to an old bug with admin notifs.

args.go

@@ -31,6 +31,7 @@ func (app *appContext) loadArgs(firstCall bool) {
 		SWAGGER = flag.Bool("swagger", false, "Enable swagger at /swagger/index.html")
 
 		flag.BoolVar(&NO_API_AUTH_DO_NOT_USE, "disable-api-auth-do-not-use", false, "Disables API authentication. DO NOT USE!")
+		flag.StringVar(&NO_API_AUTH_FORCE_JFID, "disable-api-auth-force-jf-id", "", "Assume given JFID when API auth is disabled.")
 
 		flag.Parse()
 		if *help {
@@ -52,11 +53,14 @@ func (app *appContext) loadArgs(firstCall bool) {
 
 		if NO_API_AUTH_DO_NOT_USE && *DEBUG {
 			NO_API_AUTH_DO_NOT_USE = false
+			forceJfID := NO_API_AUTH_FORCE_JFID
+			NO_API_AUTH_FORCE_JFID = ""
 			buf := bufio.NewReader(os.Stdin)
 			app.err.Print(lm.NoAPIAuthPrompt)
 			sentence, err := buf.ReadBytes('\n')
 			if err == nil && strings.ContainsRune(string(sentence), 'y') {
 				NO_API_AUTH_DO_NOT_USE = true
+				NO_API_AUTH_FORCE_JFID = forceJfID
 			}
 		}
 	}