diff --git a/src/web/backend/main.go b/src/web/backend/main.go
index b8a2ba1..089ab13 100644
--- a/src/web/backend/main.go
+++ b/src/web/backend/main.go
@@ -3,18 +3,21 @@ package main
 import (
 	"fmt"
 	"net/http"
+	"net/mail"
 	"slices"
 	"time"
 
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
+	"jupiter-mail.org/web/model"
 )
 
 type Account struct {
-	Username string `json:"username"`
-	Domain string `json:"domain"`
-	DisplayName string `json:"display_name"`
-	MailDirectory string `json:"mail_directory"`
+	Username string			`json:"username"`
+	Domain string			`json:"domain"`
+	DisplayName string		`json:"display_name"`
+	MailDirectory string	`json:"mail_directory"`
+	Activated bool			`json:"activated"`
 }
 
 var mockAccounts = []*Account{
@@ -23,18 +26,21 @@ var mockAccounts = []*Account{
 		Username: "ari",
 		Domain: "example.org",
 		MailDirectory: `/var/mail/example.org/ari/home`,
+		Activated: true,
 	},
 	{
 		DisplayName: "Test Account",
 		Username: "testaccount",
 		Domain: "mydomain.ie",
 		MailDirectory: `/var/mail/mydomain.ie/testaccount/home`,
+		Activated: false,
 	},
 	{
 		DisplayName: "Cooler One",
 		Username: "otherone",
 		Domain: "cooler.space",
 		MailDirectory: `/var/mail/cooler.space/otherone/home`,
+		Activated: true,
 	},
 }
 
@@ -43,6 +49,7 @@ func main() {
 
 	r.Use(cors.New(cors.Config{
 		AllowAllOrigins: true,
+		AllowHeaders: []string{"Content-Type"},
 		AllowMethods: []string{"GET", "POST", "PUT", "DELETE"},
 		MaxAge: 12 * time.Hour,
 	}))
@@ -78,6 +85,67 @@ func main() {
 		ctx.JSON(http.StatusOK, accounts)
 	})
 
+	r.POST("/api/v1/accounts", func(ctx *gin.Context) {
+		type Request struct {
+			DisplayName string `json:"display_name"`
+			Username string `json:"username"`
+			Domain string `json:"domain"`
+		}
+		var newAccountData Request
+
+		if err := ctx.BindJSON(&newAccountData); err != nil {
+			ctx.String(http.StatusBadRequest, "Malformed request data")
+			return
+		}
+
+		emailAddressReq := fmt.Sprintf("%s@%s", newAccountData.Username, newAccountData.Domain)
+
+		emailAddress, err := mail.ParseAddress(emailAddressReq)
+		if err != nil {
+			ctx.String(http.StatusBadRequest, "Malformed address: %s", emailAddressReq)
+			return
+		}
+
+		search := func(account *Account) bool {
+			return (
+				account.Username == newAccountData.Username &&
+				account.Domain == newAccountData.Domain)
+		}
+		if slices.ContainsFunc(mockAccounts, search) {
+			ctx.String(http.StatusBadRequest, "Account already exists: %s", emailAddress.String())
+			return
+		}
+
+		account := model.MailAccount{
+			DisplayName: newAccountData.DisplayName,
+			Username: newAccountData.Username,
+			Domain: newAccountData.Domain,
+		}
+		account.MailDirectory = account.DefaultMailHome()
+
+		mockAccounts = append(mockAccounts, &Account{
+			DisplayName: account.DisplayName,
+			Username: account.Username,
+			Domain: account.Domain,
+			MailDirectory: account.MailDirectory,
+		})
+
+		/*
+		account, err := controller.FetchAccountByEmail(email)
+		if err != nil {
+			if strings.Contains(err.Error(), "does not exist") {
+				ctx.Error(fmt.Errorf("Account does not exist: %s", email))
+				return
+			}
+			log.Fatalf("Failed to fetch account: %v", err)
+			ctx.Error(errors.New("Failed to fetch account"))
+			return
+		}
+		*/
+
+		ctx.JSON(http.StatusOK, account)
+	})
+
 	r.GET("/api/v1/accounts/:email", func(ctx *gin.Context) {
 		email := ctx.Params.ByName("email")
 
@@ -142,10 +210,10 @@ func main() {
 
 		ctx.JSON(http.StatusOK, Settings{
 			MailDelivery: MailDelivery{
-				Version: "v1.2.3",
+				Version: "Dovecot v1.2.3",
 			},
 			MailTransfer: MailTransfer{
-				Version: "v4.5.6",
+				Version: "Postfix v4.5.6",
 			},
 		})
 	})
diff --git a/src/web/frontend/src/app.css b/src/web/frontend/src/app.css
index e17629d..0db21e9 100644
--- a/src/web/frontend/src/app.css
+++ b/src/web/frontend/src/app.css
@@ -41,7 +41,7 @@
 
     --info: #1a94ff;
     --success: #92a40a;
-    --warning: #ffc107;
+    --warning: #e7ad00;
     --error: #d42c2c;
 }
 
@@ -125,3 +125,12 @@ code {
 
     transition: background-color .1s, border-color .1s;
 }
+
+p.warning {
+    width: fit-content;
+    padding: .2em .4em;
+    color: var(--on-bg-1);
+    background-color: var(--warning);
+    border: 1px solid color-mix(in srgb, var(--warning), #000 25%);
+    border-radius: var(--radius-0);
+}
diff --git a/src/web/frontend/src/components/ui/AccountListItem.svelte b/src/web/frontend/src/components/ui/AccountListItem.svelte
index e13847f..585bf26 100644
--- a/src/web/frontend/src/components/ui/AccountListItem.svelte
+++ b/src/web/frontend/src/components/ui/AccountListItem.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
     import { type Account } from '@jupiter/lib/account';
     import { pushToast, ToastType } from '@jupiter/lib/toasts';
-    import { Copy, User } from '@lucide/svelte';
+    import { CircleAlert, Copy, User } from '@lucide/svelte';
 
     let {
     account,
@@ -31,7 +31,7 @@
 </script>
 
 <div
-        class="account"
+        class={["account", { warning: !account.activated }]}
         role="button"
         data-email="{email}"
         tabindex="0"
@@ -41,7 +41,12 @@
     <div class="icon-container"><User /></div>
     <hr>
     <div class="info-container">
-        <h2 class="name">{account.display_name}</h2>
+        <h2 class="name">
+            {#if !account.activated}
+                <span class="warning-badge"><CircleAlert /></span>
+            {/if}
+            {account.display_name}
+        </h2>
         <button class="email" onclick={(event) => {
                 event.stopPropagation();
                 copyEmail();
@@ -53,6 +58,7 @@
 
 <style>
     .account {
+        --shadow: 0 var(--sp-ssm) var(--sp-sm) #0001;
         width: 480px;
         height: var(--sp-xxxl);
         padding: .5em;
@@ -64,13 +70,21 @@
         border: 1px solid var(--bg-2);
         border-radius: var(--radius-0);
 
-        box-shadow: 0 var(--sp-ssm) var(--sp-sm) #0001;
+        box-shadow: var(--shadow);
 
         transition: background-color .1s, border-color .1s;
         cursor: pointer;
         user-select: none;
     }
 
+    .account.warning {
+        box-shadow: var(--shadow), calc(0px - var(--sp-sm)) 0 0 var(--warning);
+    }
+
+    .account .warning-badge {
+        color: var(--warning);
+    }
+
     .account:hover {
         background-color: var(--bg-1);
         border-color: var(--bg-3);
@@ -116,10 +130,18 @@
 
         font-size: 1.2em;
         line-height: 1.6em;
-
         text-overflow: ellipsis;
         overflow: hidden;
         white-space: nowrap;
+
+        display: flex;
+        align-items: center;
+        gap: .2em;
+    }
+
+    .info-container .name :global(svg) {
+        height: 1em;
+        transform: translateY(.1em);
     }
 
     .info-container .email {
diff --git a/src/web/frontend/src/lib/account.ts b/src/web/frontend/src/lib/account.ts
index 3df1a33..2283409 100644
--- a/src/web/frontend/src/lib/account.ts
+++ b/src/web/frontend/src/lib/account.ts
@@ -5,6 +5,7 @@ export interface Account {
     username: string,
     domain: string,
     mail_directory: string,
+    activated: boolean,
 }
 
 export let accounts = writable<Account[] | null>(null);
diff --git a/src/web/frontend/src/routes/accounts/+page.svelte b/src/web/frontend/src/routes/accounts/+page.svelte
index 9abe7ac..d5477d4 100644
--- a/src/web/frontend/src/routes/accounts/+page.svelte
+++ b/src/web/frontend/src/routes/accounts/+page.svelte
@@ -3,13 +3,13 @@
     import Header from '@jupiter/components/ui/Header.svelte';
     import AccountListItem from '@jupiter/components/ui/AccountListItem.svelte';
     import AccountAddButton from '@jupiter/components/ui/AccountAddButton.svelte';
-    import { pushToast, ToastType } from '@jupiter/lib/toasts';
+    import { goto } from '$app/navigation';
 
     let { data } = $props();
     const accounts = (() => data.accounts)();
 
     function addAccount() {
-        pushToast("TODO: account creation", ToastType.INFO);
+        goto("/accounts/create");
     }
 </script>
 
diff --git a/src/web/frontend/src/routes/accounts/[email]/+page.svelte b/src/web/frontend/src/routes/accounts/[email]/+page.svelte
index 6d9cab8..981c150 100644
--- a/src/web/frontend/src/routes/accounts/[email]/+page.svelte
+++ b/src/web/frontend/src/routes/accounts/[email]/+page.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-    import { Copy, KeyRound, Mail, Trash, User } from '@lucide/svelte';
+    import { CircleAlert, Copy, KeyRound, Mail, Trash, User } from '@lucide/svelte';
     import Header from '@jupiter/components/ui/Header.svelte';
     import { pushToast, ToastType } from '@jupiter/lib/toasts';
     import Button from '@jupiter/components/ui/Button.svelte';
@@ -58,13 +58,22 @@
                 </div>
                 <hr>
                 <h2 class="account-title">
-                    {account.display_name}
+                    <span>
+                        {#if !account.activated}
+                            <span class="warning-badge"><CircleAlert /></span>
+                        {/if}
+                        {account.display_name}
+                    </span>
                     <button class="email" onclick={() => { copyEmail() }}>{email} <Copy /></button>
                 </h2>
             </div>
 
             <hr>
 
+            {#if !account.activated}
+                 <p class="warning">* This account is not activated yet.</p>
+            {/if}
+
             <Label>Actions</Label>
             <div class="account-actions">
                 <Button href="mailto:{email}"><Mail /> Send Email</Button>
@@ -103,6 +112,10 @@
         gap: .2em;
     }
 
+    .account-title-container .warning-badge {
+        color: var(--warning);
+    }
+
     .account-title-icon {
         height: 100%;
         aspect-ratio: 1;
@@ -133,6 +146,12 @@
         gap: .2em;
     }
 
+    .account-title span {
+        display: inline-flex;
+        align-items: center;
+        gap: .25em;
+    }
+
     .account-title .email {
         width: fit-content;
         height: 1.5em;
diff --git a/src/web/frontend/src/routes/accounts/create/+page.svelte b/src/web/frontend/src/routes/accounts/create/+page.svelte
new file mode 100644
index 0000000..dfe96e1
--- /dev/null
+++ b/src/web/frontend/src/routes/accounts/create/+page.svelte
@@ -0,0 +1,106 @@
+<script lang="ts">
+    import { UserRoundPlus } from '@lucide/svelte';
+    import Header from '@jupiter/components/ui/Header.svelte';
+    import * as api from '@jupiter/lib/api';
+    import Label from '@jupiter/components/ui/Label.svelte';
+    import { pushToast, ToastType } from '@jupiter/lib/toasts';
+    import Button from '@jupiter/components/ui/Button.svelte';
+    import { type Account } from '@jupiter/lib/account';
+    import AccountListItem from '@jupiter/components/ui/AccountListItem.svelte';
+    import { goto } from '$app/navigation';
+
+    let domainInput: HTMLInputElement;
+
+    let newAccount = $state<Account>({
+        display_name: "",
+        username: "",
+        domain: "",
+        mail_directory: "",
+        activated: true,
+    });
+
+    async function createAccount() {
+        const data = {
+            display_name: newAccount.display_name,
+            username: newAccount.username,
+            domain: newAccount.domain,
+        };
+
+        const res = await fetch(api.BASE_URL + "/api/v1/accounts", {
+            method: "POST",
+            body: JSON.stringify(data),
+            headers: {
+                "Content-Type": "application/json",
+            },
+        });
+        if (!res.ok) {
+            const text = await res.text();
+            const err = new Error("Failed to create account: " + text);
+            pushToast(err.message, ToastType.ERROR);
+            throw err;
+        }
+
+        pushToast("Account created successfully.", ToastType.SUCCESS);
+        goto("/accounts");
+    }
+
+    // TODO: domain should be a drop-down determined by domain config
+</script>
+
+<div class="page-container">
+    <Header>
+        <UserRoundPlus />
+        <h1>Create Account</h1>
+    </Header>
+
+    <main>
+        <div class="form">
+            <Label>Display Name</Label>
+            <input type="text" placeholder="Example User" bind:value={newAccount.display_name}>
+
+            <Label>Username</Label>
+                <input
+                        type="text"
+                        placeholder="user"
+                        bind:value={newAccount.username}
+                        onkeydown={(event: KeyboardEvent) => {
+                        if (event.key === "@") {
+                            event.preventDefault();
+                            domainInput.focus();
+                        }
+                        }}>
+
+            <Label>Domain</Label>
+                <input type="text" placeholder="example.org" bind:value={newAccount.domain} bind:this={domainInput}>
+
+            <AccountListItem account={newAccount} />
+
+            <Button onclick={() => {createAccount()}}>Create Account</Button>
+        </div>
+    </main>
+</div>
+
+<style>
+    .page-container {
+        min-height: 100%;
+
+        background-color: var(--bg-0);
+    }
+
+    main {
+        padding: 2em;
+    }
+
+    input[type="text"] {
+        margin-bottom: 1em;
+        display: block;
+        font-size: inherit;
+        padding: .2em .3em;
+        border: 1px solid var(--bg-2);
+        border-radius: var(--radius-0);
+    }
+
+    .form :global(.account) {
+        margin-bottom: 1em;
+    }
+</style>