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AT&T Mail
Features, passwords & settings
Security
Support
AT&T Mail
Features, passwords & settings
Security
Security
Get help protecting your email account from online threats.
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Use OAuth or a secure mail key for email apps
You have to use either OAuth or a secure mail key to get your email through an app.
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Block or unblock an email address
Don’t want emails from a specific sender? Blocking and unblocking addresses is easy.
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Create a secure mail key
Learn about secure mail keys—including why and when you need one.
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Learn about digital signatures (DKIMs)
Emails you send through Yahoo! or other servers have an AT&T digital signature.
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Recover a hacked email account
Learn how to recover a hacked email account—and find out how you can prevent future security risks.
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Reduce spam email
Learn what spam email is, how to reduce the amount you get, and how to report it to AT&T.
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Report and filter email spam
Learn how to remove email spam and report it to us.
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Email server rejects your email message
Learn why an email server might reject your email messages and how to fix it.
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SpamGuard and email filters
Learn about SpamGuard and email filters.
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AT&T account and customer information security
Learn how AT&T protects your personal information and defends you against identity theft.
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Upgrade email settings after upgrading your AT&T homepage
Learn how to update email client settings to send and receive email after upgrading your AT&T homepage.
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