diff --git a/cmd/smtp-dispatcher/main.go b/cmd/smtp-dispatcher/main.go
index f7bcc3d..937642f 100644
--- a/cmd/smtp-dispatcher/main.go
+++ b/cmd/smtp-dispatcher/main.go
@@ -117,14 +117,15 @@ func usage(message string) {
 	fmt.Fprintf(os.Stderr, "\n%s\n\n"+
 		"usage: %s <command>\n"+
 		"    where <command> is one of\n"+
-		"    install, remove, debug, start, stop, pause, or continue.\n\n",
-		message, os.Args[0])
+		"    install, remove, debug, start, stop, pause, or continue.\n\n"+
+		" or %s -g to generate the settings file.\n\n",
+		message, os.Args[0], os.Args[0])
 	os.Exit(8)
 }
 
 func generate() {
 	buf := `{
-    "interval": 45,
+    "interval": 47,
     "mailqueue": "c:\\mailqueue",
     "badmail": "c:\\badmail",
     "connections": {
diff --git a/config/settings.go b/config/settings.go
index 4160e0e..8e27d3d 100644
--- a/config/settings.go
+++ b/config/settings.go
@@ -17,12 +17,12 @@ import (
 	mqd_smtp "github.com/jw4/mqd/smtp"
 )
 
-// SmtpAuthType names smtp authentication methods
-type SmtpAuthType string
+// SMTPAuthType names smtp authentication methods
+type SMTPAuthType string
 
 const (
-	LoginAuth SmtpAuthType = "LOGIN"
-	PlainAuth SmtpAuthType = "PLAIN"
+	LoginAuth SMTPAuthType = "LOGIN"
+	PlainAuth SMTPAuthType = "PLAIN"
 )
 
 // Settings holds the configuration parameters used by the mail queue
@@ -133,7 +133,7 @@ type ConnectionDetails struct {
 	Host string `json:"host,omitempty"`
 	// AuthType shows which authentication mechanism should be used
 	// when connecting to this Server.
-	AuthType SmtpAuthType `json:"authtype"`
+	AuthType SMTPAuthType `json:"authtype"`
 	// Username of the Sender account.
 	Username string `json:"username,omitempty"`
 	// Password of the Sender account.
diff --git a/dispatcher/mailqueue.go b/dispatcher/mailqueue.go
index 1d28933..690fd0e 100644
--- a/dispatcher/mailqueue.go
+++ b/dispatcher/mailqueue.go
@@ -40,6 +40,10 @@ func (q *folderQueue) Process(callbackFn MailQueueCallbackFn) error {
 func (q *folderQueue) processItem(fn MailQueueCallbackFn) filepath.WalkFunc {
 	return func(path string, info os.FileInfo, err2 error) error {
 		glog.V(2).Infof("processing %q", path)
+		if info == nil {
+			glog.Warningf("path not found for %q", path)
+			return nil
+		}
 		if info.IsDir() {
 			if path == q.mailqueue {
 				return nil
diff --git a/img/GOPHER.md b/img/GOPHER.md
index f73e4a1..4e22e96 100644
--- a/img/GOPHER.md
+++ b/img/GOPHER.md
@@ -2,4 +2,4 @@ The Go gopher was designed by Renee French. (http://reneefrench.blogspot.com/)
 The design is licensed under the Creative Commons 3.0 Attributions license.
 Read this article for more details: http://blog.golang.org/gopher
 
-The Go Gopher mascot has been modified for this program. 
+The Go Gopher mascot has been modified for this program.