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  1. #1
    Junior Member
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    Mar 2012
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    Default Error Number: 0x800CCC79

    I get this error when sending mail using windows mail i believe the setting are all right . but the strange part is i have tested the email sending it to myself and it goes through but the error message still appears with every email i send any solutions to this .
    I'm using windows vista 64bit
    Thank you
    The rejected e-mail address was 'name removed'. Subject 'Proposal from The Electricians Inc.', Account: 'pop.att.yahoo.com', Server: 'smtp.att.yahoo.com', Protocol: SMTP, Server Response: '501 Syntax error in arguments', Port: 465, Secure(SSL): Yes, Server Error: 501, Error Number: 0x800CCC79

  2. #2
    Senior Member pctek's Avatar
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    Feb 2005
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    Default Re: Error Number: 0x800CCC79

    Quote Originally Posted by jtecmiami View Post
    Server Response: '501 Syntax error in arguments', Port: 465, Secure(SSL): Yes, Server Error: 501, Error Number: 0x800CCC79
    Any reason you are using SSL? I'd use 587, authentication on....

    However.

    Can be corruption in Outlook, or have you got a syntax error? Non-standard characters - spaces etc in anything?
    wipe your paws.

  3. #3
    Computer Technician wainuitech's Avatar
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    Aug 2007
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    Wellington
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    Default Re: Error Number: 0x800CCC79

    That error code means the SMTP mail server requires authentication and isn't getting it, the att.yahoo run from secure setting (SSL)

    The problem can be something not ticked correctly in the security setting.


    Have a read of answers.yahoo The actual setting are advised in the first answer.
    Last edited by wainuitech; 24-03-2012 at 08:48 AM.
    Update / Upgrades = Replace old bugs with new ones.

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