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Troubleshooting
Activation Problems
I gave someone an email address, and I know the user activated the address. But my Email Control Panel is still showing the user as pending. Why?
I tried to set up POP mail, but my email client's test message failed. Why did this happen?
I tried to activate my new email address, but encountered an error. What happened?
My free Yahoo! Mail account has been deactivated, so I can't access my Business Mail. What can I do?
Problems With Email
My Business Mail interface isn't functioning properly. Help!
I can't find the email I sent. Where is it?
I cannot change my "From:" name. Help!
I'm getting tons of spam. Help!
My "From" name doesn't update when I change it. Why?
I'm trying to read a message but it looks garbled. What happened?
I selected the "Show a plain text signature" or "Show a rich text signature" option, but my signature is not appearing on all my messages. Why?
Someone sent me a message and I haven't received it. What happened?
How often are messages delivered into my mailbox?
Why is the new Yahoo! Mail so slow?
Does Yahoo! Business Email support non-Roman character sets?
POP Errors
Errors Sending Mail (SMTP)
Errors Receiving Mail (POP)
Why is my password rejected when I try to check mail using my email client?
I'm constantly prompted for my POP password. Why?
I can receive but can't send mail using my POP mail client. Why?
How do I enable SMTP server authentication?
How can I leave copies of my messages on the Yahoo! server after I download them?
How can I have messages deleted from the Yahoo! server after I download them?
Why do my messages appear in my POP mail client but not in my Yahoo! Business Email mailbox?
Where can I find a list of Microsoft Outlook Express Error codes?
Delays and Slow Performance
Why does my browser try to load a page but never finish?
How can I find out where a message was delayed?
What should I do if my browser crashes?
How can I clear my browser's cache?
General Error Messages
Why do I get a "Failed Delivery" message?
I get the message "Your login session has expired." Why?
Why do I get an "Invalid Mailbox State" error?
Why do I get a "Problem Found - Message Not Sent" error?
What should I do after a "Server 500" error?
Why do I get an "Invalid Password" error?
Known Issues
Some AOL users experience problems when connecting through a proxy server.
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Top 5 Questions
How do I access the Email Control Panel
How do I switch between my free Yahoo! Mail and Business Email accounts?
Someone sent me a message and I haven't received it. What happened?
Errors Sending Mail (SMTP)
Errors Receiving Mail (POP)
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