Index: libsylph/prefs_common.c
===================================================================
--- libsylph/prefs_common.c	(revision 3424)
+++ libsylph/prefs_common.c	(working copy)
@@ -450,6 +450,7 @@
 	{"toggle_window_on_trayicon_click", "TRUE",
 #endif
 	 &prefs_common.toggle_window_on_trayicon_click, P_BOOL},
+	{"run_minimized", "FALSE", &prefs_common.run_minimized, P_BOOL},
 
 	/* Other */
 	{"receive_dialog_mode", "1", &prefs_common.recv_dialog_mode, P_ENUM},
Index: libsylph/prefs_common.h
===================================================================
--- libsylph/prefs_common.h	(revision 3424)
+++ libsylph/prefs_common.h	(working copy)
@@ -262,6 +262,7 @@
 	gboolean show_trayicon;
 	gboolean minimize_to_tray;
 	gboolean toggle_window_on_trayicon_click;
+	gboolean run_minimized;
 
 	/* Other */
 	RecvDialogMode recv_dialog_mode;
Index: src/mainwindow.c
===================================================================
--- src/mainwindow.c	(revision 3424)
+++ src/mainwindow.c	(working copy)
@@ -1191,7 +1191,8 @@
 	online_switch_clicked(online_switch, mainwin);
 
 	/* show main window */
-	gtk_widget_show(mainwin->window);
+	if (!prefs_common.run_minimized)
+		gtk_widget_show(mainwin->window);
 
 #if !GTK_CHECK_VERSION(2, 6, 0)
 	{
Index: src/prefs_common_dialog.c
===================================================================
--- src/prefs_common_dialog.c	(revision 3424)
+++ src/prefs_common_dialog.c	(working copy)
@@ -231,6 +231,7 @@
 	GtkWidget *checkbtn_show_trayicon;
 	GtkWidget *checkbtn_minimize_to_tray;
 	GtkWidget *checkbtn_tray_toggle_window;
+	GtkWidget *checkbtn_run_minimized;
 } iface;
 
 static struct Other {
@@ -583,6 +584,8 @@
 	{"toggle_window_on_trayicon_click",
 	 &iface.checkbtn_tray_toggle_window,
 	 prefs_set_data_from_toggle, prefs_set_toggle},
+	{"run_minimized", &iface.checkbtn_run_minimized,
+	 prefs_set_data_from_toggle, prefs_set_toggle},
 
 	/* Other */
 	{"receive_dialog_mode", &other.optmenu_recvdialog,
@@ -2600,6 +2603,7 @@
 	GtkWidget *checkbtn_show_trayicon;
 	GtkWidget *checkbtn_minimize_to_tray;
 	GtkWidget *checkbtn_tray_toggle_window;
+	GtkWidget *checkbtn_run_minimized;
 
 	GtkWidget *button_keybind;
 
@@ -2699,10 +2703,14 @@
 			   _("Minimize to tray icon"));
 	PACK_CHECK_BUTTON (vbox2, checkbtn_tray_toggle_window,
 			   _("Toggle window on trayicon click"));
+	PACK_CHECK_BUTTON (vbox2, checkbtn_run_minimized,
+			   _("Start Sylpheed minimized"));
 	SET_TOGGLE_SENSITIVITY (checkbtn_show_trayicon,
 				checkbtn_minimize_to_tray);
 	SET_TOGGLE_SENSITIVITY (checkbtn_show_trayicon,
 				checkbtn_tray_toggle_window);
+	SET_TOGGLE_SENSITIVITY (checkbtn_show_trayicon,
+				checkbtn_run_minimized);
 
 	hbox1 = gtk_hbox_new (FALSE, 8);
 	gtk_widget_show (hbox1);
@@ -2752,6 +2760,7 @@
 	iface.checkbtn_show_trayicon      = checkbtn_show_trayicon;
 	iface.checkbtn_minimize_to_tray   = checkbtn_minimize_to_tray;
 	iface.checkbtn_tray_toggle_window = checkbtn_tray_toggle_window;
+	iface.checkbtn_run_minimized      = checkbtn_run_minimized;
 }
 
 static GtkWidget *prefs_other_create(void)