diff --git a/app/(main)/[locale]/page.tsx b/app/(main)/[locale]/page.tsx
index 694dc3b3..296497e9 100644
--- a/app/(main)/[locale]/page.tsx
+++ b/app/(main)/[locale]/page.tsx
@@ -117,6 +117,30 @@ export default function Home() {
   const sendDelaySeconds = useSettingsStore((state) => state.sendDelaySeconds);
   const { loadTrustedSendersBook, trustedSendersLoaded } = useContactStore();
 
+  const promptForRescheduleDelayedUntil = useCallback((): string | null => {
+    const value = window.prompt(t('email_viewer.reschedule_prompt'));
+    if (!value) return null;
+    const time = new Date(value).getTime();
+    if (!Number.isFinite(time)) {
+      toast.error(t('email_composer.schedule_send_invalid'));
+      return null;
+    }
+    if (time <= Date.now()) {
+      toast.error(t('email_composer.schedule_send_future'));
+      return null;
+    }
+    if (!client?.hasDelayedSend()) {
+      toast.error(t('email_composer.schedule_send_unsupported'));
+      return null;
+    }
+    const maxDelayedSend = client.getMaxDelayedSend();
+    if (maxDelayedSend > 0 && time > Date.now() + maxDelayedSend * 1000) {
+      toast.error(t('email_composer.schedule_send_too_late'));
+      return null;
+    }
+    return new Date(time).toISOString();
+  }, [client, t]);
+
   // Load trusted senders address book when feature is enabled
   useEffect(() => {
     if (trustedSendersAddressBook && client && !trustedSendersLoaded) {
@@ -2721,6 +2745,12 @@ export default function Home() {
                   setShowComposer(true);
                   if (isMobile) setActiveView('viewer');
                 }}
+                onRescheduleScheduled={async (email) => {
+                  const delayedUntil = promptForRescheduleDelayedUntil();
+                  if (delayedUntil && client && email.emailSubmissionId && email.scheduledIdentityId) {
+                    await rescheduleScheduledEmail(client, email.emailSubmissionId, email.id, email.scheduledIdentityId, delayedUntil);
+                  }
+                }}
                 onEmailSelect={handleEmailSelect}
                 onEmailDoubleClick={isEmbedded ? ((email) => {
                   useProTabStore.getState().openEmailTab({
diff --git a/components/email/email-list.tsx b/components/email/email-list.tsx
index 2d1c3e0c..124cad97 100644
--- a/components/email/email-list.tsx
+++ b/components/email/email-list.tsx
@@ -45,6 +45,7 @@ interface EmailListProps {
   onLoadMoreScheduled?: () => void;
   onCancelScheduled?: (email: Email) => void | Promise<void>;
   onCancelScheduledForEdit?: (email: Email) => void | Promise<void>;
+  onRescheduleScheduled?: (email: Email) => void | Promise<void>;
 }
 
 export function EmailList({
@@ -73,6 +74,7 @@ export function EmailList({
   onLoadMoreScheduled,
   onCancelScheduled,
   onCancelScheduledForEdit,
+  onRescheduleScheduled,
 }: EmailListProps) {
   const t = useTranslations('email_list');
   const { client } = useAuthStore();
@@ -535,9 +537,9 @@ export function EmailList({
           onMarkAsSpam={() => onMarkAsSpam?.(contextMenu.data!)}
           onUndoSpam={() => onUndoSpam?.(contextMenu.data!)}
           onEditDraft={() => onEditDraft?.(contextMenu.data!)}
-          onCancelScheduled={() => onCancelScheduled?.(contextMenu.data!)}
-          onCancelScheduledForEdit={() => onCancelScheduledForEdit?.(contextMenu.data!)}
-          onRescheduleScheduled={undefined}
+          onCancelScheduled={onCancelScheduled ? () => onCancelScheduled(contextMenu.data!) : undefined}
+          onCancelScheduledForEdit={onCancelScheduledForEdit ? () => onCancelScheduledForEdit(contextMenu.data!) : undefined}
+          onRescheduleScheduled={onRescheduleScheduled ? () => onRescheduleScheduled(contextMenu.data!) : undefined}
           onBatchMarkAsRead={(read) => client && batchMarkAsRead(client, read)}
           onBatchDelete={() => client && batchDelete(client)}
           onBatchArchive={async () => {
diff --git a/components/email/thread-list-item.tsx b/components/email/thread-list-item.tsx
index ca940644..aafd03f2 100644
--- a/components/email/thread-list-item.tsx
+++ b/components/email/thread-list-item.tsx
@@ -335,16 +335,18 @@ const SingleEmailItem = React.forwardRef<HTMLDivElement, SingleEmailItemProps>(
         </div>
 
         {/* Hover Quick Actions */}
-        <EmailHoverActions
-          email={email}
-          backgroundClassName={resolvedColorTag ? resolvedColorTag : ((selected || isChecked) ? "bg-accent" : "bg-muted")}
-          onToggleStar={onToggleStar}
-          onMarkAsRead={onMarkAsRead}
-          onDelete={onDelete}
-          onArchive={onArchive}
-          onSetColorTag={onSetColorTag}
-          onMarkAsSpam={onMarkAsSpam}
-        />
+        {!email.isScheduled && (
+          <EmailHoverActions
+            email={email}
+            backgroundClassName={resolvedColorTag ? resolvedColorTag : ((selected || isChecked) ? "bg-accent" : "bg-muted")}
+            onToggleStar={onToggleStar}
+            onMarkAsRead={onMarkAsRead}
+            onDelete={onDelete}
+            onArchive={onArchive}
+            onSetColorTag={onSetColorTag}
+            onMarkAsSpam={onMarkAsSpam}
+          />
+        )}
       </div>
     );
   }
@@ -751,16 +753,18 @@ export const ThreadListItem = React.forwardRef<HTMLDivElement, ThreadListItemPro
           </div>
 
           {/* Hover Quick Actions for thread header */}
-          <EmailHoverActions
-            email={latestEmail}
-            backgroundClassName={colorTag ? colorTag : ((isSelected || isChecked) ? "bg-accent" : "bg-muted")}
-            onToggleStar={onToggleStar ? () => onToggleStar(latestEmail) : undefined}
-            onMarkAsRead={onMarkAsRead ? (read) => onMarkAsRead(latestEmail, read) : undefined}
-            onDelete={onDelete ? () => onDelete(latestEmail) : undefined}
-            onArchive={onArchive ? () => onArchive(latestEmail) : undefined}
-            onSetColorTag={onSetColorTag ? (color) => onSetColorTag(latestEmail.id, color) : undefined}
-            onMarkAsSpam={onMarkAsSpam ? () => onMarkAsSpam(latestEmail) : undefined}
-          />
+          {!latestEmail.isScheduled && (
+            <EmailHoverActions
+              email={latestEmail}
+              backgroundClassName={colorTag ? colorTag : ((isSelected || isChecked) ? "bg-accent" : "bg-muted")}
+              onToggleStar={onToggleStar ? () => onToggleStar(latestEmail) : undefined}
+              onMarkAsRead={onMarkAsRead ? (read) => onMarkAsRead(latestEmail, read) : undefined}
+              onDelete={onDelete ? () => onDelete(latestEmail) : undefined}
+              onArchive={onArchive ? () => onArchive(latestEmail) : undefined}
+              onSetColorTag={onSetColorTag ? (color) => onSetColorTag(latestEmail.id, color) : undefined}
+              onMarkAsSpam={onMarkAsSpam ? () => onMarkAsSpam(latestEmail) : undefined}
+            />
+          )}
         </div>
 
         {isExpanded && !isMobile && !isFocusedMailLayout && (
diff --git a/stores/email-store.ts b/stores/email-store.ts
index afa845ae..964013e2 100644
--- a/stores/email-store.ts
+++ b/stores/email-store.ts
@@ -2566,6 +2566,15 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
     const submissionId = email.emailSubmissionId;
     if (!submissionId) return null;
     await client.cancelEmailSubmission(submissionId);
+    if (email.isSmimeScheduled) {
+      await client.deleteEmail(email.id);
+      set(state => ({
+        selectedEmail: state.selectedEmail?.id === email.id ? null : state.selectedEmail,
+        selectedEmailIds: new Set(Array.from(state.selectedEmailIds).filter(id => id !== email.id)),
+      }));
+      await get().fetchScheduledEmails(client);
+      return null;
+    }
     const mailboxes = get().mailboxes.length > 0 ? get().mailboxes : await client.getMailboxes();
     const draftsMailbox = mailboxes.find(mb => mb.role === 'drafts');
     const sentMailbox = mailboxes.find(mb => mb.role === 'sent');