Send instant security alerts to protect your users
Deliver critical security notifications — new device logins, password changes, suspicious activity alerts — instantly via the Unosend API. Keep your users safe with real-time security emails that build trust.
Why use Unosend for security alert emails?
Quick implementation
await unosend.emails.send({
from: 'security@yourapp.com',
to: user.email,
subject: 'New login from {{device}}',
template_id: 'tmpl_security_alert',
variables: {
device: login.deviceName,
location: login.city + ', ' + login.country,
ip_address: login.ip,
time: new Date().toISOString(),
lockdown_url: generateLockdownUrl(user.id)
}
});Frequently asked questions
How fast are security alerts delivered?
Unosend delivers security emails in under 2 seconds on average, ensuring users are notified instantly.
Can I include device and location info?
Yes, pass any dynamic data as template variables — IP address, device name, location, and timestamp.
How do I prevent false positives?
Implement device fingerprinting in your app and only trigger alerts for genuinely new devices or suspicious patterns.
Related use cases
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Email Verification
Send email verification links to confirm user accounts. Reduce fake signups and improve deliverability.
Ready to send security alert emails?
Start sending in minutes with 5,000 free emails per month.