Copy sent mails to /boot/home/mail/sent. Hope that makes more clear if a mail should be send (in out folder) or already has be sent.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40570 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/mail/MailSettings.h

@@ -39,6 +39,9 @@ typedef enum
 } b_mail_status_window_look;
 
 
+#define kDefaultSentDirectory "/boot/home/mail/sent"
+
+
 class BMailSettings {
 public:
 								BMailSettings();

headers/private/mail/FileConfigView.h

@@ -9,6 +9,7 @@
 #include <View.h>
 #include <FilePanel.h>
 
+
 class BTextControl;
 class BButton;
 

src/add-ons/mail_daemon/outbound_protocols/smtp/ConfigView.cpp

@@ -71,7 +71,7 @@ SMTPConfigView::SMTPConfigView(MailAddonSettings& settings,
 	SetTo(settings);
 
 	fFileView =  new BMailFileConfigView("Destination:", "destination",
-		false, "/boot/home/mail/out");
+		false, kDefaultSentDirectory);
 	fFileView->SetTo(&settings.Settings(), NULL);
 	AddChild(fFileView);
 	float w, h;

src/kits/mail/HaikuMailFormatFilter.cpp

@@ -54,6 +54,7 @@ HaikuMailFormatFilter::HaikuMailFormatFilter(MailProtocol& protocol,
 	fAccountId(settings->AccountID())
 {
 	const BMessage* outboundSettings = &settings->OutboundSettings().Settings();
+	fOutboundDirectory = kDefaultSentDirectory;
 	outboundSettings->FindString("destination", &fOutboundDirectory);
 }