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Bitwarden New Device Verification Email Not Received

Workaround available All platforms Updated October 21, 2026

Quick answer

Accounts without two-step login must confirm new devices with an emailed code. If it never arrives, check spam and your mail provider, approve from a logged-in device by adding two-step login, or ask Bitwarden support to temporarily disable the check.

Most likely fix: Check spam and filters.

Symptoms

'We don't recognize this device' prompt asking for a code that never arrives, the code expires before it arrives, or resend fails with a 400/401 error.

Why it happens

  • New Device Login Protection is on because no two-step login is set up
  • Mail provider filters or rejects Bitwarden emails
  • Email delivery delays longer than the code's lifetime
  • Unofficial servers (Vaultwarden) behave differently

How to fix it

Try these in order — the most common fix is first.

  1. 1. Check spam and filters

    1. Search all mail folders for bitwarden.com
    2. Add Bitwarden's sending address to your contacts or safe senders
    3. Request a new code and wait a few minutes before resending

  2. 2. Set up two-step login from a device you're still logged into

    1. Open the web vault or app on a logged-in device
    2. Go to Settings > Security > Two-step login
    3. Enable an authenticator app; it replaces the email code on new devices

  3. 3. Contact Bitwarden support

    1. Use the contact form at bitwarden.com/contact
    2. Ask them to temporarily disable New Device Login Protection
    3. After logging in, set up a two-step login method so it doesn't happen again

This guide also covers

  • bitwarden verification code not received
  • bitwarden new device verification email
  • bitwarden not sending verification code
  • bitwarden locked out new device

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