HTML & MJML
Account Security Notice Email Template
Alert users to account activity fast and clearly with this account security notice email template. A high-contrast red security band draws immediate attention, a details card lists the device, location, and time of the sign-in, and a prominent secure-my-account button gives worried users an instant path to act. Use this email template for new-sign-in alerts, suspicious activity notices, and password-change confirmations. Security and trust teams get a reassuring yet urgent design that protects users, encourages two-factor authentication, and reinforces that you take account safety seriously.
About the Account Security Notice Email Template
Security and trust teams need a template that converts panic into action the moment a user sees an unfamiliar sign-in. This account security notice email template pairs a bold red alert band with a structured details card showing device, location, and timestamp, giving users the context they need to judge whether activity is legitimate. The result is a transactional email that feels authoritative, moves fast, and channels user concern directly into a single protective action.When to use this template
Send immediately and automatically the moment a triggering security event occurs, including new device sign-ins, logins from unrecognized locations, failed password attempts, or successful password changes. Delays of even a few minutes erode trust and leave accounts exposed, so this template should live inside a real-time authentication or fraud-detection pipeline.- A fintech app alerting a user to a sign-in from a new country they never visit
- A SaaS platform notifying admins when a team member account logs in after 90 days of inactivity
- An e-commerce brand confirming a password reset was just completed successfully
- A healthcare portal warning patients of login attempts from an unrecognized browser or device
- A gaming platform flagging a simultaneous session detected on two different continents
- A subscription service prompting two-factor authentication enrollment after a suspicious sign-in pattern
Subject line ideas
- New sign-in to your account — was this you?
- Security alert: unrecognized device just signed in
- Your account was accessed from a new location
- Action needed: secure your account now
Best practices for notice emails
- Lead the details card with device type and city before timestamp so users recognize threats at a glance without parsing dates first.
- Use the red security band exclusively for genuine alerts, never promotions, so the color retains its trained urgency over time.
- Write the secure-my-account button in first-person phrasing such as Secure My Account rather than a generic Submit or Click Here.
- Include a clear this was me dismissal link alongside the primary CTA so confident users can resolve the alert without contacting support.
- State the exact inactivity or revocation window in the email body, for example your session will be locked in 24 hours, to create precise and honest urgency.
Template anatomy
How the Account Security Notice Email Template template is laid out, top to bottom:- section (1 column) containing image.
- section (1 column) containing text block.
- section (1 column) containing text block.
- section (1 column) containing text block.
- section (1 column) containing button.
- section (1 column) containing text block.
- section (1 column) containing text block.
- section (1 column) containing divider.
- section (1 column) containing text block.
Components used
Built from the following MJML elements:13 text blocks1 image1 button1 divider
Color palette
Colors used across the Account Security Notice Email Template template:#3f3f46#fafafa#ffffff#7f1d1d#fecaca#18181b#52525b#71717a#b91c1c#f4f4f5#a1a1aaTypography
Font stacks declared in the template:Helvetica, Arial, sans-serif
MJML source code
A preview of the MJML markup for the Account Security Notice Email Template template. Open it free in EmailBuilder.ai to get the complete source and start customizing.Want the full MJML?Open Account Security Notice Email Template free in the editor to copy the complete, production-ready source — and customize it with drag-and-drop.Get the full MJML — it's free
