Convert from BoltDB to Maildir storage for emails

internal/smtp/session.go

@@ -15,14 +15,14 @@ type Session struct {
 }
 
 func (s *Session) Send(from string, to []string, r io.Reader) error {
-	log.Printf("session=%d from=%s to=%s", s.ID, from, to)
+	log.Printf("session=%s from=%s to=%#v", s.ID, from, to)
 
 	// TODO: a chain of middlewares here
 	return s.Handler.ServeSMTP(from, to, r)
 }
 
 func (s *Session) Logout() error {
-	log.Printf("Ending session %d", s.ID)
+	log.Printf("Ending session %s", s.ID)
 
 	return nil
 }