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Resolve email issues

Having problems with your AT&T Mail? Try these tips to fix common problems.

INSTRUCTIONS & INFO

Check your account, settings, connectivity, and browsers

AT&T Mail account and settings

  • Be sure your email meets message size limits. If your email is too long, it may not be sent successfully.
  • Make sure you’re using the correct recipient email address. If you aren’t, you may get error messages like Failed Delivery or Problem Found - Message Not Sent.
  • Sign out of your email account, and then sign back in.
  • Check your spam folder for missing messages.
  • Review your settings. Select the gear icon, then check:
    • Blocked addresses: Make sure you aren’t blocking addresses you want to get email from.
    • Filters: Check that emails are going to the correct folder.
  • Confirm you haven’t been hacked. Your account may be compromised if you’re:
    • Missing emails
    • Receiving emails from your own email address
    • Getting complaints about spam coming from your email address
    • Seeing a display name that's different from the one you set up
Learn what to do if your email has been hacked or phished.

Connectivity or browser issues

  • Open your AT&T Mail in a different web browser. For example, if you normally use Google Chrome®, try Firefox®.
  • Verify that your browser accepts cookies. Then, clear your cookies and cache. You’ll find this info in your browser's Preferences, Settings, or Options menu.
  • Enable JavaScript, and make sure it’s up to date. You’ll find it in your browser settings or options.
  • Disable browser tools or add-ons to see if they’re causing issues with email access.
  • Enable Adobe Flash Player, and make sure it’s updated.
  • Check on the settings of your firewall, antivirus programs, and anti-spyware software. They can cause a conflict with email programs and web browsers. Disable them one at a time and try to access your email. Don't forget to turn them back on once you know they aren’t causing the problem.

Troubleshoot your email programs or apps

Good to know: We’re upgrading our email security. If you get your email through an email program or app, be sure you’re ready for the changes. Learn more about the security upgrade.
  • Make sure you have an active internet connection.
  • Check to see if you have messages in your outbox folder. If you do, remove them and try to send a new message.
  • Review common email error codes for steps to resolve them.
  • Make sure you are using the correct email client settings.

Sign-in issues

Your password doesn’t work on your smartphone

Did you recently change your email password or link your email to your AT&T user ID? Update your password on all devices you use to access your email. Get more info about shared passwords.

We can’t find that ID and password combination

Make sure you entered your ID and password correctly. For your protection, we may lock your account after too many sign-in attempts. If this happens, wait an hour or reset your password.

Your account isn't active

Did you get a notice from AT&T Internet Services Security? If so, your email account was flagged for sending spam. Your email account security may be at risk.  To reactivate your account, contact us.

Learn how to guard your account against fraud and improve your security. Explore our Fraud & security resources.

You got this error message: Accelerator Not Found

Your browser cookies and/or cache data may be corrupt. It’s an easy fix.
  1. Clear your browser’s cookies and cache.
  2. Try again to access your email account.
Still having trouble? Give us a call at 800.288.2020 and we’ll help you.

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