diff --git a/app/(main)/admin/_tabs/policy.tsx b/app/(main)/admin/_tabs/policy.tsx
index 1af87b9e..78755819 100644
--- a/app/(main)/admin/_tabs/policy.tsx
+++ b/app/(main)/admin/_tabs/policy.tsx
@@ -28,7 +28,7 @@ const RESTRICTABLE_SETTINGS = [
   { key: 'density', label: 'Density', category: 'Appearance', type: 'enum', allowedValues: ['compact', 'regular', 'spacious'] },
   { key: 'animationsEnabled', label: 'Animations', category: 'Appearance', type: 'boolean' },
   { key: 'markAsReadDelay', label: 'Mark as Read Delay', category: 'Email', type: 'number' },
-  { key: 'deleteAction', label: 'Delete Action', category: 'Email', type: 'enum', allowedValues: ['trash', 'permanent'] },
+  { key: 'deleteAction', label: 'Delete Action', category: 'Email', type: 'enum', allowedValues: ['trash', 'trash-and-read', 'permanent'] },
   { key: 'showPreview', label: 'Show Preview', category: 'Email', type: 'boolean' },
   { key: 'mailLayout', label: 'Mail Layout', category: 'Email', type: 'enum', allowedValues: ['split', 'focus', 'horizontal'] },
   { key: 'emailsPerPage', label: 'Emails Per Page', category: 'Email', type: 'number' },
diff --git a/components/settings/reading-settings.tsx b/components/settings/reading-settings.tsx
index 96ae55dd..3aed858d 100644
--- a/components/settings/reading-settings.tsx
+++ b/components/settings/reading-settings.tsx
@@ -120,9 +120,10 @@ export function ReadingSettings() {
         <div className="flex flex-col gap-2">
           <Select
             value={deleteAction}
-            onChange={(value) => updateSetting('deleteAction', value as 'trash' | 'permanent')}
+            onChange={(value) => updateSetting('deleteAction', value as 'trash' | 'trash-and-read' | 'permanent')}
             options={[
               { value: 'trash', label: t('delete_action.trash') },
+              { value: 'trash-and-read', label: t('delete_action.trash_and_read') },
               { value: 'permanent', label: t('delete_action.permanent') },
             ]}
           />
diff --git a/lib/demo/demo-client.ts b/lib/demo/demo-client.ts
index cac0344e..18e00360 100644
--- a/lib/demo/demo-client.ts
+++ b/lib/demo/demo-client.ts
@@ -264,10 +264,11 @@ export class DemoJMAPClient implements IJMAPClient {
     this.recalcMailboxCounts();
   }
 
-  async moveToTrash(emailId: string, trashMailboxId: string): Promise<void> {
+  async moveToTrash(emailId: string, trashMailboxId: string, _accountId?: string, markAsRead?: boolean): Promise<void> {
     const email = this.data.emails.find(e => e.id === emailId);
     if (!email) return;
     email.mailboxIds = { [trashMailboxId]: true };
+    if (markAsRead) email.keywords.$seen = true;
     this.recalcMailboxCounts();
   }
 
@@ -277,10 +278,13 @@ export class DemoJMAPClient implements IJMAPClient {
     this.recalcMailboxCounts();
   }
 
-  async batchMoveEmails(emailIds: string[], toMailboxId: string): Promise<void> {
+  async batchMoveEmails(emailIds: string[], toMailboxId: string, _accountId?: string, markAsRead?: boolean): Promise<void> {
     for (const id of emailIds) {
       const email = this.data.emails.find(e => e.id === id);
-      if (email) email.mailboxIds = { [toMailboxId]: true };
+      if (email) {
+        email.mailboxIds = { [toMailboxId]: true };
+        if (markAsRead) email.keywords.$seen = true;
+      }
     }
     this.recalcMailboxCounts();
   }
@@ -355,10 +359,13 @@ export class DemoJMAPClient implements IJMAPClient {
     return count;
   }
 
-  async markAsSpam(emailId: string): Promise<void> {
+  async markAsSpam(emailId: string, _accountId?: string, markAsRead?: boolean): Promise<void> {
     const email = this.data.emails.find(e => e.id === emailId);
     const junkMb = this.data.mailboxes.find(m => m.role === 'junk');
-    if (email && junkMb) email.mailboxIds = { [junkMb.id]: true };
+    if (email && junkMb) {
+      email.mailboxIds = { [junkMb.id]: true };
+      if (markAsRead) email.keywords.$seen = true;
+    }
     this.recalcMailboxCounts();
   }
 
diff --git a/lib/jmap/client-interface.ts b/lib/jmap/client-interface.ts
index 1ccbbd5f..5ec9ec0e 100644
--- a/lib/jmap/client-interface.ts
+++ b/lib/jmap/client-interface.ts
@@ -96,9 +96,9 @@ export interface IJMAPClient {
   setKeyword(emailId: string, keyword: string): Promise<void>;
   migrateKeyword(oldKeyword: string, newKeyword: string): Promise<number>;
   deleteEmail(emailId: string): Promise<void>;
-  moveToTrash(emailId: string, trashMailboxId: string, accountId?: string): Promise<void>;
+  moveToTrash(emailId: string, trashMailboxId: string, accountId?: string, markAsRead?: boolean): Promise<void>;
   batchDeleteEmails(emailIds: string[]): Promise<void>;
-  batchMoveEmails(emailIds: string[], toMailboxId: string, accountId?: string): Promise<void>;
+  batchMoveEmails(emailIds: string[], toMailboxId: string, accountId?: string, markAsRead?: boolean): Promise<void>;
   batchArchiveEmails(
     emails: Array<{ id: string; receivedAt: string }>,
     archiveMailboxId: string,
@@ -110,7 +110,7 @@ export interface IJMAPClient {
   emptyMailbox(mailboxId: string): Promise<number>;
   markMailboxAsRead(mailboxId: string, accountId?: string): Promise<number>;
   markAllAsRead(excludeMailboxIds?: string[], accountId?: string): Promise<number>;
-  markAsSpam(emailId: string, accountId?: string): Promise<void>;
+  markAsSpam(emailId: string, accountId?: string, markAsRead?: boolean): Promise<void>;
   undoSpam(emailId: string, originalMailboxId: string, accountId?: string): Promise<void>;
 
   // ── Threads ───────────────────────────────────────────────────
diff --git a/lib/jmap/client.ts b/lib/jmap/client.ts
index d27d5e45..ced1c366 100644
--- a/lib/jmap/client.ts
+++ b/lib/jmap/client.ts
@@ -1226,16 +1226,14 @@ export class JMAPClient implements IJMAPClient {
     ]);
   }
 
-  async moveToTrash(emailId: string, trashMailboxId: string, accountId?: string): Promise<void> {
+  async moveToTrash(emailId: string, trashMailboxId: string, accountId?: string, markAsRead?: boolean): Promise<void> {
     const targetAccountId = accountId || this.accountId;
+    const patch: Record<string, unknown> = { mailboxIds: { [trashMailboxId]: true } };
+    if (markAsRead) patch["keywords/$seen"] = true;
     await this.request([
       ["Email/set", {
         accountId: targetAccountId,
-        update: {
-          [emailId]: {
-            mailboxIds: { [trashMailboxId]: true },
-          },
-        },
+        update: { [emailId]: patch },
       }, "0"],
     ]);
   }
@@ -1251,10 +1249,15 @@ export class JMAPClient implements IJMAPClient {
     ]);
   }
 
-  async batchMoveEmails(emailIds: string[], toMailboxId: string, accountId?: string): Promise<void> {
+  async batchMoveEmails(emailIds: string[], toMailboxId: string, accountId?: string, markAsRead?: boolean): Promise<void> {
     if (emailIds.length === 0) return;
 
-    const updates = Object.fromEntries(emailIds.map(id => [id, { mailboxIds: { [toMailboxId]: true } }]));
+    const buildPatch = () => {
+      const patch: Record<string, unknown> = { mailboxIds: { [toMailboxId]: true } };
+      if (markAsRead) patch["keywords/$seen"] = true;
+      return patch;
+    };
+    const updates = Object.fromEntries(emailIds.map(id => [id, buildPatch()]));
     await this.request([
       ["Email/set", { accountId: accountId || this.accountId, update: updates }, "0"],
     ]);
@@ -1507,7 +1510,7 @@ export class JMAPClient implements IJMAPClient {
     return totalMarked;
   }
 
-  async markAsSpam(emailId: string, accountId?: string): Promise<void> {
+  async markAsSpam(emailId: string, accountId?: string, markAsRead?: boolean): Promise<void> {
     const targetAccountId = accountId || this.accountId;
 
     const mailboxes = await this.getMailboxes();
@@ -1526,14 +1529,13 @@ export class JMAPClient implements IJMAPClient {
       ? junkMailbox.originalId
       : junkMailbox.id;
 
+    const patch: Record<string, unknown> = { mailboxIds: { [mailboxId]: true } };
+    if (markAsRead) patch["keywords/$seen"] = true;
+
     await this.request([
       ["Email/set", {
         accountId: targetAccountId,
-        update: {
-          [emailId]: {
-            mailboxIds: { [mailboxId]: true },
-          },
-        },
+        update: { [emailId]: patch },
       }, "0"],
     ]);
   }
diff --git a/locales/en/common.json b/locales/en/common.json
index 09c44c0a..43545e7d 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -974,6 +974,7 @@
         "label": "Delete Action",
         "description": "What happens when you delete an email",
         "trash": "Move to Trash",
+        "trash_and_read": "Move to Trash and mark as read",
         "permanent": "Delete Permanently",
         "warning": "Emails will be permanently deleted and cannot be recovered. This action is irreversible."
       },
diff --git a/stores/email-store.ts b/stores/email-store.ts
index 76532385..9798792e 100644
--- a/stores/email-store.ts
+++ b/stores/email-store.ts
@@ -773,14 +773,18 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
         forceDelete = true;
       }
 
-      // If deleteAction is 'trash' and not forced permanent delete, try to move to trash mailbox
-      if (deleteAction === 'trash' && !forceDelete) {
+      // If deleteAction is 'trash' or 'trash-and-read' and not forced permanent delete, try to move to trash mailbox
+      if ((deleteAction === 'trash' || deleteAction === 'trash-and-read') && !forceDelete) {
         const trashMailbox = findTrashMailbox(mailboxes, { accountId });
+        const alsoMarkRead = deleteAction === 'trash-and-read' && isUnread;
 
         if (trashMailbox) {
           // Use originalId for shared mailboxes if available
           const trashId = trashMailbox.originalId || trashMailbox.id;
-          await effectiveClient.moveToTrash(emailId, trashId, accountId);
+          await effectiveClient.moveToTrash(emailId, trashId, accountId, alsoMarkRead);
+
+          // After marking read in the same request, the email arrives in trash as read.
+          const arrivesUnread = isUnread && !alsoMarkRead;
 
           // Remove from local state (email moved to trash, not in current view)
           set((state) => {
@@ -803,9 +807,9 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
                   return {
                     ...mailbox,
                     totalEmails: mailbox.totalEmails + 1,
-                    unreadEmails: isUnread ? mailbox.unreadEmails + 1 : mailbox.unreadEmails,
+                    unreadEmails: arrivesUnread ? mailbox.unreadEmails + 1 : mailbox.unreadEmails,
                     totalThreads: mailbox.totalThreads + 1,
-                    unreadThreads: isUnread ? mailbox.unreadThreads + 1 : mailbox.unreadThreads
+                    unreadThreads: arrivesUnread ? mailbox.unreadThreads + 1 : mailbox.unreadThreads
                   };
                 }
                 return mailbox;
@@ -1514,6 +1518,7 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
       const permanentlyDeleteJunk = useSettingsStore.getState().permanentlyDeleteJunk;
       const isInJunk = currentMailbox?.role === 'junk';
       const forceDestroy = permanent || isInTrash || (isInJunk && permanentlyDeleteJunk);
+      const alsoMarkRead = useSettingsStore.getState().deleteAction === 'trash-and-read';
 
       // Group emails by accountId (handles unified view and search results spanning accounts).
       const emailsByAccount = new Map<string, string[]>();
@@ -1554,7 +1559,7 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
             return;
           }
           const trashId = trashMailbox.originalId || trashMailbox.id;
-          await acctClient.batchMoveEmails(ids, trashId, trashMailbox.accountId);
+          await acctClient.batchMoveEmails(ids, trashId, trashMailbox.accountId, alsoMarkRead);
           ids.forEach(id => movedEmailIds.add(id));
         });
         await Promise.allSettled(promises);
@@ -1745,7 +1750,9 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
     });
 
     try {
-      await resolveActionClient(client).markAsSpam(emailId, currentMailbox.accountId);
+      const isUnread = !email.keywords?.$seen;
+      const alsoMarkRead = useSettingsStore.getState().deleteAction === 'trash-and-read' && isUnread;
+      await resolveActionClient(client).markAsSpam(emailId, currentMailbox.accountId, alsoMarkRead);
 
       set(state => ({
         emails: state.emails.filter(e => e.id !== emailId),
@@ -1800,16 +1807,20 @@ export const useEmailStore = create<EmailStore>((set, get) => ({
   },
 
   batchMarkAsSpam: async (client, emailIds) => {
-    const { selectedMailbox } = get();
+    const { selectedMailbox, emails } = get();
     const mailboxes = resolveActionMailboxes();
     const effectiveClient = resolveActionClient(client);
 
     const currentMailbox = mailboxes.find(m => m.id === selectedMailbox);
     if (!currentMailbox) return;
 
+    const alsoMarkRead = useSettingsStore.getState().deleteAction === 'trash-and-read';
+
     try {
       for (const emailId of emailIds) {
-        await effectiveClient.markAsSpam(emailId, currentMailbox.accountId);
+        const email = emails.find(e => e.id === emailId);
+        const markRead = alsoMarkRead && !!email && !email.keywords?.$seen;
+        await effectiveClient.markAsSpam(emailId, currentMailbox.accountId, markRead);
       }
 
       set(state => ({
diff --git a/stores/settings-store.ts b/stores/settings-store.ts
index 4f839e5f..fd8dcfe1 100644
--- a/stores/settings-store.ts
+++ b/stores/settings-store.ts
@@ -28,7 +28,7 @@ export type FontSize = 'small' | 'medium' | 'large';
 export type Density = 'extra-compact' | 'compact' | 'regular' | 'comfortable';
 /** @deprecated Use Density instead */
 export type ListDensity = Density;
-export type DeleteAction = 'trash' | 'permanent';
+export type DeleteAction = 'trash' | 'trash-and-read' | 'permanent';
 export type ReplyMode = 'reply' | 'replyAll';
 export type SignaturePosition = 'above_quote' | 'below_quote';
 export type DateFormat = 'regional' | 'iso' | 'custom';