Help for Mobile Mail
- Troubleshooting "Unable to process request at this time -- error 999"
- Receiving "421 4.7.1 [TS03] All messages from x.x.x.x permanently deferred" when sending email to Yahoo!
- Why did I receive an email about a syncing issue?
- Understanding daily email sending limits
- Receiving "421 4.7.0 [TS01] Messages from x.x.x.x temporarily deferred due to user complaints - 4.16.55.1" when sending email to Yahoo!
- Error: "Server Unavailable" when accessing Yahoo! on iPhone, iPad, iPod Touch
Account locked?
Get immediate assistance if you think your account has been compromised or if you need help getting back in.
Helpful links
- Restore Lost or Deleted Emails
- Can I switch back to the previous design of Yahoo! Mail?
- Send us feedback on Yahoo! Mail