Created NO_AUTO_EXEMPT option to disable the new automatic DNSBL-exempting

of recipient mail addresses (for Deuce).

src/sbbs3/ctrl/MailCfgDlgUnit.cpp

@@ -179,6 +179,8 @@ void __fastcall TMailCfgDlg::FormShow(TObject *Sender)
         =(MainForm->mail_startup.options&MAIL_OPT_DNSBL_CHKRECVHDRS);
     AdvancedCheckListBox->Checked[i++]
         =(MainForm->mail_startup.options&MAIL_OPT_DNSBL_THROTTLE);
+    AdvancedCheckListBox->Checked[i++]
+        =!(MainForm->mail_startup.options&MAIL_OPT_NO_AUTO_EXEMPT);
 
     DNSBLRadioButtonClick(Sender);
     DNSRadioButtonClick(Sender);
@@ -355,6 +357,9 @@ void __fastcall TMailCfgDlg::OKBtnClick(TObject *Sender)
     setBit(&MainForm->mail_startup.options
         ,MAIL_OPT_DNSBL_THROTTLE
         ,AdvancedCheckListBox->Checked[i++]);
+    setBit(&MainForm->mail_startup.options
+        ,MAIL_OPT_NO_AUTO_EXEMPT
+        ,!AdvancedCheckListBox->Checked[i++]);
 
     MainForm->MailAutoStart=AutoStartCheckBox->Checked;
     MainForm->MailLogFile=LogFileCheckBox->Checked;

src/sbbs3/ctrl/MailCfgDlgUnit.dfm

@@ -53,8 +53,8 @@ object MailCfgDlg: TMailCfgDlg
     Top = 4
     Width = 342
     Height = 245
-    ActivePage = DNSBLTabSheet
-    TabIndex = 6
+    ActivePage = AdvancedTabSheet
+    TabIndex = 7
     TabOrder = 3
     object GeneralTabSheet: TTabSheet
       Caption = 'General'
@@ -879,7 +879,8 @@ object MailCfgDlg: TMailCfgDlg
           'Allow receipt of mail by user number'
           'Allow receipt of mail to '#39'sysop'#39' and '#39'postmaster'#39
           'Check '#39'Received'#39' header fields against DNSBL'
-          'Throttle DNS blacklisted server sessions')
+          'Throttle DNS blacklisted server sessions'
+          'Auto-exempt sent-mail recipients from DNSBL')
         TabOrder = 0
       end
     end