diff --git a/assets/mi-white.png b/assets/mi-white.png
new file mode 100644
index 0000000000..1e57da6b38
Binary files /dev/null and b/assets/mi-white.png differ
diff --git a/src/services/send-email.ts b/src/services/send-email.ts
index 5a8f92be54..e713ea78d5 100644
--- a/src/services/send-email.ts
+++ b/src/services/send-email.ts
@@ -8,6 +8,9 @@ export const logger = new Logger('email');
 export async function sendEmail(to: string, subject: string, text: string) {
 	const meta = await fetchMeta(true);
 
+	const iconUrl = `${config.url}/assets/mi-white.png`;
+	const emailSettingUrl = `${config.url}/settings/email`;
+
 	const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
 
 	const transporter = nodemailer.createTransport({
@@ -26,8 +29,85 @@ export async function sendEmail(to: string, subject: string, text: string) {
 		const info = await transporter.sendMail({
 			from: meta.email!,
 			to: to,
-			subject: subject || 'Misskey',
-			text: text
+			subject: subject,
+			text: text,
+			html: `<!doctype html>
+			<html>
+				<head>
+					<meta charset="utf-8">
+					<title>${ subject }</title>
+					<style>
+						html {
+							background: #eee;
+						}
+
+						body {
+							padding: 16px;
+						}
+
+						a {
+							text-decoration: none;
+							color: #86b300;
+						}
+						a:hover {
+							text-decoration: underline;
+						}
+
+						main {
+							max-width: 500px;
+							margin: 0 auto;
+							background: #fff;
+							color: #555;
+						}
+							main > header {
+								padding: 32px;
+								background: #86b300;
+							}
+								main > header > img {
+									max-width: 128px;
+									max-height: 28px;
+								}
+							main > article {
+								padding: 32px;
+							}
+								main > article > h1 {
+									margin: 0 0 1em 0;
+								}
+							main > footer {
+								padding: 32px;
+								border-top: solid 1px #eee;
+							}
+
+						nav {
+							box-sizing: border-box;
+							max-width: 500px;
+							margin: 16px auto 0 auto;
+							padding: 0 32px;
+						}
+							nav > a {
+								color: #888;
+							}
+					</style>
+				</head>
+				<body>
+					<main>
+						<header>
+							<img src="${ meta.logoImageUrl || meta.iconUrl || iconUrl }"/>
+						</header>
+						<article>
+							<h1>${ subject }</h1>
+							<div>${ text }</div>
+						</article>
+						<footer>
+							<a href="${ emailSettingUrl }">${ 'Email setting' }</a>
+						</footer>
+					</main>
+					<nav>
+						<a href="${ config.url }">${ config.host }</a>
+					</nav>
+				</body>
+			</html>
+			`
 		});
 
 		logger.info('Message sent: %s', info.messageId);