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Troubleshooting

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  • Emails Not Arriving
  • Can't Verify a Destination
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Article Navigation
OverviewWhat is AliasFleet?Creating an AliasEmails Not ArrivingContact Support

Getting Started

Getting Started
  • What is AliasFleet?
  • Your First Alias
  • Understanding Forwarding
  • Your Dashboard at a Glance
  • Using the Browser Extension

Account & Billing

Account & Billing
  • Your Plan and Usage Limits
  • Upgrading to Pro
  • Managing Your Subscription
  • Downloading Invoices
  • Support Ticket Limits
  • Membership Tier
  • Billing Cycle and Renewal
  • API Rate Limits by Plan

Billing Support

Account & Billing
  • Cancelling Your Subscription
  • Downgrading Your AliasFleet Plan
  • Understanding Proration and Plan Changes
  • Updating Your Payment Method
  • Handling Failed Payments and Account Suspension
  • AliasFleet Refund Policy

Email Aliases

Email Aliases
  • How to Set Up an Email Alias
  • Activating and Deactivating an Alias
  • How to Delete an Email Alias
  • Sorting, Filtering and Searching Aliases
  • Grid View vs List View
  • Grouping Aliases
  • Alias Categories
  • Copying an Alias Address
  • Per-Alias Email Banner Settings
  • Alias Permission Mode: Strict vs Open
  • Sending Outbound Emails (Quick Send)

Custom Domains

Custom Domains
  • Adding a Custom Domain
  • DNS Verification
  • Domain Status and Health Indicators
  • Subdomains
  • Removing a Domain
  • Using Your Domain on Aliases

Destinations

Destinations
  • What Is a Destination?
  • Adding a Destination
  • Verifying a Destination
  • Setting a Default Destination
  • Reply from Aliases
  • Send New Emails from Aliases
  • Understanding Email Threading & Replies
  • One-Click Enable from Bounce Email
  • Removing a Destination
  • PGP Encryption for Destinations
  • WKD Auto-Encryption for Replies & Sends

Security & Privacy

Security & Privacy
  • Security Best Practices
  • Two-Factor Authentication (2FA)
  • Active Sessions
  • Changing Your Password
  • What Data AliasFleet Stores
  • Reporting a Security Issue
  • Browser Extension Sessions
  • How to Use Vault Lock in the Extension

Rate Limiting

Security & Privacy
  • Rate Limiting and Account Protection

Settings

Settings
  • General Settings
  • Profile Settings
  • Alias Settings
  • Destinations in Settings
  • Notification Settings
  • Security Settings
  • Deleting Your Account

Analytics

Analytics
  • Analytics Overview
  • Alias Performance
  • Top Senders
  • Trends
  • Bounces
  • Bandwidth Usage
  • Category Breakdown
  • Exporting Analytics Data
  • Understanding Alias Statistics
  • How Monthly Trends Work

Sender Rules

Sender Rules
  • Using Sender Rules
  • Blacklist vs Deactivating an Alias
  • Using Allowlist Rules to Allow Senders
  • Blocked Emails Explained

Troubleshooting

Troubleshooting
  • Emails Not Arriving
  • Can't Verify a Destination
  • DNS Not Verifying
  • Can't Log In
  • Replies Not Going Through Alias
  • Alias Not Forwarding
  • Payment Failed
  • Browser Extension Issues
  • Too Many Requests Error
  • Page Not Loading or Showing an Error

Developers

Developer API
  • Identity & Token Introspection API
  • Aliases API
  • Alias Destinations & Batch Operations API
  • Domains API
  • Destinations API
  • Quick-Send API
  • Sender Rules API
  • Activity & Audit Logs API
  • Fleet Analytics API
  • Rules API
  • Security & Threat Intelligence API
  • Webhooks API
  • Categories & Tags API
  • User Profile & Account API
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Troubleshooting
Docs
Troubleshooting
Can't Verify a Destination

Can't Verify a Destination

Fix destination verification failures: missing emails, rejected 6-digit codes, the 15-minute lockout, expired links and corporate filters.

6 min read
Updated October 21, 2026
At a glance: the limits that trip people upWhy hasn't my verification email arrived?Why is my 6-digit code being rejected?Why am I locked out of verification?Why does the verification link say it has already been used?How do I verify a corporate or work email address?Why does my destination still show as unverified after it worked?Still stuck?

This guide fixes every way destination verification can fail in AliasFleet: a missing verification email, a rejected 6-digit code, the 15-minute lockout after 3 wrong attempts, an expired or already-used link, and corporate filters that swallow the message. For the normal step-by-step flow, see Verifying a Destination.

Before you start

Before anything else: be signed in to your AliasFleet account, have the destination already added (see Adding a Destination), and have access to the inbox that should receive the verification email. The numbers that matter: the code is 6 digits, expires after 15 minutes, and 3 wrong attempts lock verification for 15 minutes.

At a glance: the limits that trip people up#

WhatThe rule
Verification code6 digits, numbers only
Code and link expiry15 minutes from sending
Resend cooldown30 seconds between resends
Wrong attempts before lockout3
Lockout length15 minutes
Lockout scopePer destination address, not per account
Verification linkSingle-use
Data comparison table

Why hasn't my verification email arrived?#

Almost every "missing" verification email is actually sitting in spam, filed under a tab, or still on its way. Go through this list in order.

  1. Start with spam and junk. In Gmail, check Spam plus the Promotions and Updates tabs, where automated mail often ends up. In Outlook or Hotmail, look in Junk Email, and the Other tab if Focused Inbox is on.
  2. Search the whole mailbox for "AliasFleet" or "verification". A mail rule may have quietly filed it into a folder you never open.
  3. Give it a couple of minutes. Delivery is usually instant, but some providers hold a first message back for a few minutes.
  4. Double-check the address. Look at what the verification screen shows. If there is a typo, delete the destination and add it again with the right address, following Adding a Destination.
  5. Hit the Resend email button. There is a 30-second cooldown between resends. Wait a minute or two after each resend before trying again, and always use the code from the newest email.

Why is my 6-digit code being rejected?#

A rejected code is rarely a system problem. It almost always means the code is wrong, out of date, or not the latest one sent.

  1. Type all 6 digits exactly as shown. Numbers only. If you copy and paste, check no space has crept in before or after the digits.
  2. Use the latest email. Every resend creates a fresh code and kills the previous one. If you asked for a resend, the code in the older email is dead, even inside its 15 minutes.
  3. Check the code is still live. Codes expire 15 minutes after they are sent. If you opened the email late, click Resend email and type in the new code straight away.
  4. Make sure the code belongs to this destination. If you are verifying several addresses at once, check the email is for the one you are on now. The sender and subject line name the destination.

Why am I locked out of verification?#

Three wrong code entries lock verification for that destination for 15 minutes. It is there to block guessing, and the timer starts on the third wrong attempt.

  1. Wait out the full 15 minutes. Nothing you enter or resend will work during the lockout, so walk away and come back.
  2. Once it clears, resend for a fresh code. The code you kept fighting is expired by now anyway. Enter the new one slowly, one digit at a time.
  3. Remember the lockout is per destination, not per account. Your other destinations, aliases, and forwarding carry on as normal. Only the address you were verifying is paused.

Why does the verification link say it has already been used?#

The verification link is single-use. The first click uses it up; a second click always shows an error, and that is normal.

  1. Check the destination's status first. Go through the flow in Verifying a Destination and see whether the address now shows as verified. If it does, you are finished. The error on the second click means nothing.
  2. If it still shows unverified, the link has probably expired. Links last 15 minutes. Request a fresh verification email from the verification screen.
  3. Use the 6-digit code instead. The code survives email clients that pre-scan links (some corporate scanners click links automatically, which burns a single-use link before you ever see it). A scanner cannot use up a code.

How do I verify a corporate or work email address?#

You can verify a work address, but corporate mail systems run the strictest filters you will run into. Automated senders from unknown addresses often get quarantined silently, so the email never reaches your spam or inbox at all.

  1. Check the admin quarantine. Both Microsoft 365 and Google Workspace hold suspicious mail in an admin quarantine that you cannot see from your own mailbox. Ask your IT team to look for the verification message there and release it.
  2. Ask IT to allowlist the sender. Have them allowlist mail from AliasFleet's sender address, or the whole aliasfleet.com domain, so future mail gets through. Pass on the sender address from any verification email you have received somewhere else.
  3. Test with a personal address first. Verify a Gmail or Outlook.com address to prove the process works for you, then go after the corporate one separately. If the personal one verifies fine and the work one never gets the email, the block sits on the corporate side.
  4. Corporate scanners and single-use links are a bad mix. As noted above, some corporate gateways click every link in incoming mail before it reaches you. For work addresses, always use the 6-digit code, never the link.

A destination is the real inbox your aliases forward to, so pick and protect it with care. If it is not obvious why it should stay separate from the address you give websites, read Your Email Goes Further Than the Website You Signed Up To.

Why does my destination still show as unverified after it worked?#

Sometimes verification completes behind the scenes while the page has not caught up yet.

  1. Refresh the page. The status usually updates seconds after a successful verification.
  2. If a refresh does not do it, log out and back in. That forces the dashboard to reload the destination's state.
  3. Use the Reverify option. From the destination's menu, pick Reverify to trigger a fresh verification email and start over, following Verifying a Destination.

Still stuck?#

Open a support ticket from the dashboard and include the destination address, which of the steps above you have already tried, and the exact error message you see. That detail is what lets support find the problem instead of guessing.

Frequently Asked Questions

Check spam and junk first, then search your whole mailbox for the sender. Gmail files automated mail under Spam or the Promotions and Updates tabs; Outlook puts it in Junk Email or the Other tab. If nothing turns up, use the Resend email button, keeping the 30-second cooldown in mind.

Codes expire 15 minutes after they are sent. If yours is older than that, request a fresh one with the Resend email button and enter it straight away. Each resend generates a new code and invalidates the old one.

Three incorrect code entries lock verification for that destination for 15 minutes, as a security measure. The lockout is per destination address, not per account, so your other destinations keep working. Wait it out, then resend for a fresh code.

Links are single-use: a second click always shows an error, which is expected if the destination now shows as verified. If it still shows as unverified, the link has likely expired (15 minutes). Request a new verification email and use the 6-digit code instead.

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On this page

At a glance: the limits that trip people upWhy hasn't my verification email arrived?Why is my 6-digit code being rejected?Why am I locked out of verification?Why does the verification link say it has already been used?How do I verify a corporate or work email address?Why does my destination still show as unverified after it worked?Still stuck?

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