diff --git a/src/frontend/public/sounds/mail-sent.ogg b/src/frontend/public/sounds/mail-sent.ogg
new file mode 100644
index 00000000..27bef539
Binary files /dev/null and b/src/frontend/public/sounds/mail-sent.ogg differ
diff --git a/src/frontend/src/features/i18n/translations.json b/src/frontend/src/features/i18n/translations.json
index 9926a13b..5aa3f2bc 100644
--- a/src/frontend/src/features/i18n/translations.json
+++ b/src/frontend/src/features/i18n/translations.json
@@ -8,6 +8,9 @@
       "my_account": "My Account",
       "no_mailbox": "No mailbox.",
       "no_threads": "No threads.",
+      "new_message_form": {
+        "title": "New message"
+      },
       "api": {
         "error": {
           "unexpected": "An unexpected error occurred."
@@ -38,7 +41,9 @@
         "from": "From: ",
         "to": "To: ",
         "cc": "Copy: ",
-        "bcc": "Blind copy: "
+        "bcc": "Blind copy: ",
+        "subject": "Subject: ",
+        "body": "Message: "
       }
     }
   },
@@ -51,6 +56,9 @@
       "my_account": "Mon Compte",
       "no_mailbox": "Aucune boîte aux lettres.",
       "no_threads": "Aucune conversation.",
+      "new_message_form": {
+        "title": "Nouveau message"
+      },
       "api": {
         "error": {
           "unexpected": "Une erreur inattendue est survenue."
@@ -81,7 +89,9 @@
         "from": "De : ",
         "to": "À : ",
         "cc": "Copie : ",
-        "bcc": "Copie cachée : "
+        "bcc": "Copie cachée : ",
+        "subject": "Sujet : ",
+        "body": "Message : "
       }
     }
   }
diff --git a/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-actions/index.tsx b/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-actions/index.tsx
index bf36f737..1196bd52 100644
--- a/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-actions/index.tsx
+++ b/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-actions/index.tsx
@@ -1,12 +1,23 @@
 import { Button } from "@openfun/cunningham-react";
+import { useRouter } from "next/router";
 import { useTranslation } from "react-i18next";
 
 export const MailboxPanelActions = () => {
     const { t } = useTranslation();
+    const router = useRouter();
+
+    const goToNewMessageForm = (event: React.MouseEvent<HTMLButtonElement | HTMLAnchorElement>) => {
+        event.preventDefault();
+        router.push(`/mailbox/new`);
+    }
 
     return (
         <div className="mailbox-panel-actions">
-            <Button icon={<span className="material-icons">edit_note</span>}>
+            <Button
+                onClick={goToNewMessageForm}
+                href="/mailbox/new"
+                icon={<span className="material-icons">edit_note</span>}
+            >
                 {t("actions.new_message")}
             </Button>
             {/* <Button
diff --git a/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-list/index.tsx b/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-list/index.tsx
index 17eddf4d..1d3f470b 100644
--- a/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-list/index.tsx
+++ b/src/frontend/src/features/layouts/components/mailbox-panel/components/mailbox-list/index.tsx
@@ -59,11 +59,10 @@ const TMP_MAILBOXES: HardcodedMailbox[] = [
 
 export const MailboxList = () => {
     const defaultMailboxId = TMP_MAILBOXES[0].id;
-    const params = useParams<{ mailboxId: string }>()
     const router = useRouter()
 
     useEffect(() => {
-        if (!params?.mailboxId) {
+        if (router.pathname === "/") {
             router.push(`/mailbox/${defaultMailboxId}`)
         }
     }, [])
diff --git a/src/frontend/src/features/layouts/components/thread-view/components/message-reply-form/index.tsx b/src/frontend/src/features/layouts/components/thread-view/components/message-reply-form/index.tsx
index b9a6f897..7477b437 100644
--- a/src/frontend/src/features/layouts/components/thread-view/components/message-reply-form/index.tsx
+++ b/src/frontend/src/features/layouts/components/thread-view/components/message-reply-form/index.tsx
@@ -1,6 +1,7 @@
 import { APIError } from "@/features/api/APIError";
 import { Message, useMessageCreateCreate } from "@/features/api/gen";
 import { useMailboxContext } from "@/features/mailbox/provider";
+import soundbox from "@/features/utils/soundbox";
 import { Alert, Button, Input, TextArea, VariantType } from "@openfun/cunningham-react";
 import { useEffect, useMemo, useRef, useState } from "react";
 import { useTranslation } from "react-i18next";
@@ -25,12 +26,12 @@ const MessageReplyForm = ({ handleClose, message, replyAll }: MessageReplyFormPr
     const { selectedMailbox, invalidateThreadMessages } = useMailboxContext();
     const mutation = useMessageCreateCreate({
         mutation: {
-            onSuccess: () => {
+            onSuccess: async () => {
                 invalidateThreadMessages();
+                await soundbox.play(0.35);
                 handleClose();
             },
             onError: (error: APIError) => {
-                console.log(error);
                 setError(error.data);
             }
         }
@@ -69,6 +70,7 @@ const MessageReplyForm = ({ handleClose, message, replyAll }: MessageReplyFormPr
             const message = formRef.current.message;
             message.focus();
         }
+        soundbox.load("/sounds/mail-sent.ogg");
     }, []);
 
     return (
diff --git a/src/frontend/src/features/mailbox/provider.tsx b/src/frontend/src/features/mailbox/provider.tsx
index c0c0eae2..7e440261 100644
--- a/src/frontend/src/features/mailbox/provider.tsx
+++ b/src/frontend/src/features/mailbox/provider.tsx
@@ -79,9 +79,9 @@ export const MailboxProvider = ({ children }: PropsWithChildren) => {
         }
     });
 
-    const invalidateThreadMessages = () => {
+    const invalidateThreadMessages = async () => {
         if (selectedThread) {
-            queryClient.invalidateQueries({ queryKey: ['messages', selectedThread.id] });
+            await queryClient.invalidateQueries({ queryKey: ['messages', selectedThread.id] });
         }
     }
 
diff --git a/src/frontend/src/features/utils/soundbox.ts b/src/frontend/src/features/utils/soundbox.ts
new file mode 100644
index 00000000..b6dae419
--- /dev/null
+++ b/src/frontend/src/features/utils/soundbox.ts
@@ -0,0 +1,23 @@
+class Soundbox {
+    #soundCache = new Map<string, HTMLAudioElement>();
+    audio: HTMLAudioElement | undefined = undefined;
+
+    async load(src: string) {
+        if (this.#soundCache.has(src)) {
+            this.audio = this.#soundCache.get(src);
+        } else {
+            const audio = new Audio(src);
+            this.#soundCache.set(src, audio);
+            this.audio = audio;
+        }
+        this.audio!.currentTime = 0;
+    }
+
+    async play(volume: number = 1) {
+        this.audio!.volume = volume;
+        await this.audio!.play();
+    }
+}
+
+const soundbox = new Soundbox();
+export default soundbox;
\ No newline at end of file
diff --git a/src/frontend/src/pages/mailbox/new/_index.scss b/src/frontend/src/pages/mailbox/new/_index.scss
new file mode 100644
index 00000000..a460dcee
--- /dev/null
+++ b/src/frontend/src/pages/mailbox/new/_index.scss
@@ -0,0 +1,25 @@
+.new-message-form-container {
+    margin-block: auto;
+    margin-inline: auto;
+    max-width: 680px;
+    padding: var(--c--theme--spacings--base);
+}
+
+.new-message-form {
+    display: flex;
+    flex-direction: column;
+    gap: var(--c--theme--spacings--base);
+}
+
+.form-field-row {
+    display: flex;
+    gap: 10px;
+    align-items: flex-start;
+}
+
+.form-footer {
+    display: flex;
+    flex-direction: row-reverse;
+    gap: 10px;
+    justify-content: flex-start;
+}
\ No newline at end of file
diff --git a/src/frontend/src/pages/mailbox/new/index.tsx b/src/frontend/src/pages/mailbox/new/index.tsx
new file mode 100644
index 00000000..f89335f3
--- /dev/null
+++ b/src/frontend/src/pages/mailbox/new/index.tsx
@@ -0,0 +1,102 @@
+import { APIError } from "@/features/api/APIError";
+import { useMessageCreateCreate } from "@/features/api/gen";
+import { MainLayout } from "@/features/layouts/components/main";
+import { useMailboxContext } from "@/features/mailbox/provider";
+import soundbox from "@/features/utils/soundbox";
+import { Alert, Button, Input, TextArea, VariantType } from "@openfun/cunningham-react";
+import { useRouter } from "next/router";
+import { useEffect, useState } from "react";
+import { useTranslation } from "react-i18next";
+
+type NewMessageFormData = {
+    to: string;
+    cc?: string;
+    bcc?: string;
+    subject: string;
+    body: string;
+}
+
+const NewMessageFormPage = () => {
+    const { t } = useTranslation()
+    const router = useRouter();
+    const { mailboxes, invalidateThreadMessages } = useMailboxContext();
+    const [error, setError] = useState<object | null>(null);
+    const messageMutation = useMessageCreateCreate({
+        mutation: {
+            onSuccess: async () => {
+                invalidateThreadMessages();
+                await soundbox.play(0.35);
+                router.replace(`/mailbox/${mailboxes![0].id}`);
+            },
+            onError: (error: APIError) => {
+                setError(error.data);
+            }
+        }
+    });
+    const [showCCField, setShowCCField]  = useState(false);
+    const [showBCCField, setShowBCCField]  = useState(false);
+
+    const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+        event.preventDefault();
+        const formData = Object.fromEntries(new FormData(event.target as HTMLFormElement)) as NewMessageFormData;
+
+        messageMutation.mutate({
+            data: {
+                to: formData.to.split(","),
+                senderId: mailboxes![0].id,
+                cc: formData.cc ? formData.cc.split(",") : undefined,
+                bcc: formData.bcc ? formData.bcc.split(",") : undefined,
+                subject: formData.subject,
+                textBody: formData.body,
+            },
+        });
+    }
+
+    useEffect(() => {
+        soundbox.load("/sounds/mail-sent.ogg");
+    }, []);
+
+    return (
+        <div className="new-message-form-container">
+            <h1>{t("new_message_form.title")}</h1>
+            <form className="new-message-form" onSubmit={handleSubmit}>
+                <div className="form-field-row">
+                    <Input name="to" label={t("thread_message.to")} fullWidth required />
+                    <Button type="button" size="nano" color="tertiary-text" onClick={() => setShowCCField(!showCCField)}>cc</Button>
+                    <Button type="button" size="nano" color="tertiary-text" onClick={() => setShowBCCField(!showBCCField)}>bcc</Button>
+                </div>
+                {showCCField && (
+                    <div className="form-field-row">
+                        <Input name="cc" label={t("thread_message.cc")} fullWidth />
+                    </div>
+                )}
+                {showBCCField && (
+                    <div className="form-field-row">
+                        <Input name="bcc" label={t("thread_message.bcc")} fullWidth />
+                    </div>
+                )}
+                <div className="form-field-row">
+                    <Input name="subject" label={t("thread_message.subject")} fullWidth required />
+                </div>
+                <div className="form-field-row">
+                    <TextArea name="body" label={t("thread_message.body")} rows={10} fullWidth required />
+                </div>
+                {error && <Alert type={VariantType.ERROR} className="message-reply-form__error">{JSON.stringify(error)}</Alert>}
+                <footer className="form-footer">
+                    <Button>{t("actions.send")}</Button>
+                    <Button type="button" color="secondary" onClick={() => router.back()}>{t("actions.cancel")}</Button>
+                </footer>
+            </form>
+        </div>
+    )
+}
+
+NewMessageFormPage.getLayout = function getLayout(page: React.ReactElement) {
+    return (
+        <MainLayout>
+            {page}
+        </MainLayout>
+    )
+}
+
+export default NewMessageFormPage;
\ No newline at end of file
diff --git a/src/frontend/src/styles/main.scss b/src/frontend/src/styles/main.scss
index e191a833..a6a77a4a 100644
--- a/src/frontend/src/styles/main.scss
+++ b/src/frontend/src/styles/main.scss
@@ -26,4 +26,5 @@
 
 // Application views
 @use "./../pages";
-@use "./../pages/mailbox";
\ No newline at end of file
+@use "./../pages/mailbox";
+@use "./../pages/mailbox/new";
\ No newline at end of file