Added menu option to edit external mail processing configuration file

(ctrl/mailproc.cfg).

src/sbbs3/ctrl/MainFormUnit.dfm

@@ -2439,6 +2439,11 @@ object MainForm: TMainForm
           Hint = 'DNSBL_EXEMPT.CFG'
           OnClick = CtrlMenuItemEditClick
         end
+        object ExternalMailProc: TMenuItem
+          Caption = 'External Mail Processing'
+          Hint = 'MAILPROC.CFG'
+          OnClick = CtrlMenuItemEditClick
+        end
       end
     end
     object FtpMenuItem: TMenuItem

src/sbbs3/ctrl/MainFormUnit.h

@@ -259,6 +259,7 @@ __published:	// IDE-managed Components
 	TMenuItem *ImportSettingsMenuItem;
 	TMenuItem *DNSBLExemptions;
 	TMenuItem *BBSEditIPFilterSilent;
+	TMenuItem *ExternalMailProc;
     void __fastcall FileExitMenuItemClick(TObject *Sender);
 	void __fastcall ViewToolbarMenuItemClick(TObject *Sender);
 	void __fastcall FormClose(TObject *Sender, TCloseAction &Action);