diff --git a/bin/commands/mail.py b/bin/commands/mail.py
index ad9bcbf..5ca6911 100644
--- a/bin/commands/mail.py
+++ b/bin/commands/mail.py
@@ -15,15 +15,30 @@ import click
 
 from bin.utils import handle_errors
 
-CONFIG_PATH = Path.home() / ".myclaude" / "mail.json"
+OLD_CONFIG_PATH = Path.home() / ".myclaude" / "mail.json"
+CONFIG_PATH = Path.home() / ".config" / "mytoolkit" / "mail.json"
+
+
+def _resolve_config_path() -> Path:
+    """Return active config path, migrating from old location if needed."""
+    if CONFIG_PATH.exists():
+        return CONFIG_PATH
+    if OLD_CONFIG_PATH.exists():
+        CONFIG_PATH.parent.mkdir(parents=True, exist_ok=True)
+        import shutil
+        shutil.copy2(OLD_CONFIG_PATH, CONFIG_PATH)
+        click.echo(f"Migrated config: {OLD_CONFIG_PATH} -> {CONFIG_PATH}")
+        return CONFIG_PATH
+    return CONFIG_PATH
 
 
 def load_config():
     """Load mail config."""
-    if not CONFIG_PATH.exists():
+    path = _resolve_config_path()
+    if not path.exists():
         click.echo("Mail not configured. Run: mytoolkit mail config", err=True)
         raise click.Abort()
-    with open(CONFIG_PATH, encoding="utf-8") as f:
+    with open(path, encoding="utf-8") as f:
         return json.load(f)