diff --git a/app/(main)/[locale]/page.tsx b/app/(main)/[locale]/page.tsx
index 67699187..04d78eba 100644
--- a/app/(main)/[locale]/page.tsx
+++ b/app/(main)/[locale]/page.tsx
@@ -621,6 +621,10 @@ export default function Home() {
     onToggleSpam: async () => {
       if (isScheduledView) return;
       const currentMailbox = mailboxes.find(m => m.id === selectedMailbox);
+      // Marking your own outgoing mail as spam makes no sense - the toolbar
+      // and menus hide the action in Sent/Drafts/Scheduled, so the shortcut
+      // is a no-op there too.
+      if (['sent', 'drafts', 'scheduled'].includes(currentMailbox?.role || '')) return;
       const isInJunk = currentMailbox?.role === 'junk';
       if (selectedEmailIds.size > 0 && client) {
         const ids = Array.from(selectedEmailIds);
diff --git a/components/email/email-context-menu.tsx b/components/email/email-context-menu.tsx
index 83a4b4de..53ae2eac 100644
--- a/components/email/email-context-menu.tsx
+++ b/components/email/email-context-menu.tsx
@@ -153,6 +153,9 @@ export function EmailContextMenu({
   const currentColors = getCurrentColors(email.keywords);
   const showBatchActions = isMultiSelect && selectedCount > 1;
   const isInJunkFolder = currentMailboxRole === 'junk';
+  // Marking your own outgoing mail as spam makes no sense - hide the action
+  // in Sent, Drafts and Scheduled.
+  const spamApplicable = !['sent', 'drafts', 'scheduled'].includes(currentMailboxRole || '');
   const isScheduled = email.isScheduled === true;
   const canCancelScheduled = isScheduled && email.scheduledUndoStatus === 'pending';
 
@@ -385,22 +388,26 @@ export function EmailContextMenu({
         </ContextMenuSubMenu>
       )}
 
-      <ContextMenuSeparator />
+      {/* Spam - contextual based on folder; pointless on own outgoing mail */}
+      {spamApplicable && (
+        <>
+          <ContextMenuSeparator />
 
-      {/* Spam - contextual based on folder */}
-      <ContextMenuItem
-        icon={isInJunkFolder ? ShieldCheck : ShieldAlert}
-        label={isInJunkFolder ? t("not_spam") : t("mark_as_spam")}
-        onClick={() =>
-          handleAction(
-            showBatchActions
-              ? (isInJunkFolder ? onBatchUndoSpam! : onBatchMarkAsSpam!)
-              : (isInJunkFolder ? onUndoSpam! : onMarkAsSpam!)
-          )
-        }
-        disabled={showBatchActions ? (isInJunkFolder ? !onBatchUndoSpam : !onBatchMarkAsSpam) : (isInJunkFolder ? !onUndoSpam : !onMarkAsSpam)}
-        destructive={!isInJunkFolder}
-      />
+          <ContextMenuItem
+            icon={isInJunkFolder ? ShieldCheck : ShieldAlert}
+            label={isInJunkFolder ? t("not_spam") : t("mark_as_spam")}
+            onClick={() =>
+              handleAction(
+                showBatchActions
+                  ? (isInJunkFolder ? onBatchUndoSpam! : onBatchMarkAsSpam!)
+                  : (isInJunkFolder ? onUndoSpam! : onMarkAsSpam!)
+              )
+            }
+            disabled={showBatchActions ? (isInJunkFolder ? !onBatchUndoSpam : !onBatchMarkAsSpam) : (isInJunkFolder ? !onUndoSpam : !onMarkAsSpam)}
+            destructive={!isInJunkFolder}
+          />
+        </>
+      )}
 
       <ContextMenuSeparator />
 
diff --git a/components/email/email-hover-actions.tsx b/components/email/email-hover-actions.tsx
index 4e465fe7..7bb4a734 100644
--- a/components/email/email-hover-actions.tsx
+++ b/components/email/email-hover-actions.tsx
@@ -21,6 +21,8 @@ interface EmailHoverActionsProps {
   // the spam quick-action flips to "not spam".
   isInJunk?: boolean;
   onUndoSpam?: () => void;
+  // Hidden where marking spam is meaningless for self-authored mail (Drafts, Sent).
+  spamApplicable?: boolean;
 }
 
 const ACTION_CONFIG: Record<HoverAction, {
@@ -78,6 +80,7 @@ export function EmailHoverActions({
   onMarkAsSpam,
   isInJunk = false,
   onUndoSpam,
+  spamApplicable = true,
 }: EmailHoverActionsProps) {
   const hoverActions = useSettingsStore((state) => state.hoverActions);
   const hoverActionsMode = useSettingsStore((state) => state.hoverActionsMode);
@@ -121,6 +124,7 @@ export function EmailHoverActions({
   const actionButtons = hoverActions.map((actionId) => {
     const config = ACTION_CONFIG[actionId];
     if (!config) return null;
+    if (actionId === "spam" && !spamApplicable) return null;
     const Icon = config.icon;
 
     // In a junk context the spam action becomes "not spam".
diff --git a/components/email/email-list-item.tsx b/components/email/email-list-item.tsx
index 27fb5c64..faabb6a2 100644
--- a/components/email/email-list-item.tsx
+++ b/components/email/email-list-item.tsx
@@ -338,6 +338,7 @@ export function EmailListItem({ email, selected, onClick, onDoubleClick, onConte
         onMarkAsSpam={onMarkAsSpam}
         onUndoSpam={onUndoSpam}
         isInJunk={currentMailboxRole === 'junk'}
+        spamApplicable={!['sent', 'drafts', 'scheduled'].includes(currentMailboxRole || '')}
       />
     </div>
   );
diff --git a/components/email/email-viewer.tsx b/components/email/email-viewer.tsx
index 31f5d982..76ec3c50 100644
--- a/components/email/email-viewer.tsx
+++ b/components/email/email-viewer.tsx
@@ -693,6 +693,9 @@ export function EmailViewer({
 
   // Detect if current mailbox is Junk folder
   const isInJunkFolder = currentMailboxRole === 'junk';
+  // Marking your own outgoing mail as spam makes no sense - hide the action
+  // in Sent, Drafts and Scheduled.
+  const spamApplicable = !['sent', 'drafts', 'scheduled'].includes(currentMailboxRole || '');
 
   // Detect if the email is a draft
   const isDraft = email?.keywords?.['$draft'] === true;
@@ -2922,7 +2925,7 @@ export function EmailViewer({
         </div>
 
         {/* Spam */}
-        {(onMarkAsSpam || onUndoSpam) && (
+        {spamApplicable && (onMarkAsSpam || onUndoSpam) && (
           <Button
             variant="ghost"
             size="sm"
@@ -3156,7 +3159,7 @@ export function EmailViewer({
                 </div>
               )}
               {/* Overflow: spam */}
-              {(onMarkAsSpam || onUndoSpam) && (
+              {spamApplicable && (onMarkAsSpam || onUndoSpam) && (
                 <button
                   onClick={() => { (isInJunkFolder ? onUndoSpam : onMarkAsSpam)?.(); setMoreMenuOpen(false); setMoreMenuSub(null); }}
                   className={cn("w-full px-3 py-1.5 text-sm text-left hover:bg-muted text-foreground flex items-center gap-2", hiddenPriorities.has(7) ? "" : "sm:hidden")}
diff --git a/components/email/thread-list-item.tsx b/components/email/thread-list-item.tsx
index b6cf70bc..1c92c090 100644
--- a/components/email/thread-list-item.tsx
+++ b/components/email/thread-list-item.tsx
@@ -405,6 +405,7 @@ const SingleEmailItem = React.forwardRef<HTMLDivElement, SingleEmailItemProps>(
             onMarkAsSpam={onMarkAsSpam}
             onUndoSpam={onUndoSpam}
             isInJunk={currentMailboxRole === 'junk'}
+            spamApplicable={!['sent', 'drafts', 'scheduled'].includes(currentMailboxRole || '')}
           />
         )}
       </div>
@@ -875,6 +876,7 @@ export const ThreadListItem = React.forwardRef<HTMLDivElement, ThreadListItemPro
               onMarkAsSpam={onMarkAsSpam ? () => onMarkAsSpam(latestEmail) : undefined}
               onUndoSpam={onUndoSpam ? () => onUndoSpam(latestEmail) : undefined}
               isInJunk={currentMailboxRole === 'junk'}
+              spamApplicable={!['sent', 'drafts', 'scheduled'].includes(currentMailboxRole || '')}
             />
           )}
         </div>