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Unable to send messages from Outlook

Discussion in 'Web & Email' started by viviengrzesiak, Jan 4, 2013.

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  1. viviengrzesiak

    viviengrzesiak Thread Starter

    Jan 4, 2013
    Tech Support Guy System Info Utility version
    OS Version: Microsoft Windows XP Professional, Service Pack 3, 32 bit
    Processor: Intel(R) Core(TM)2 CPU 4400 @ 2.00GHz, x86 Family 6 Model 15 Stepping 2
    Processor Count: 2
    RAM: 3061 Mb
    Graphics Card: Intel(R) G33/G31 Express Chipset Family, 384 Mb
    Hard Drives: C: Total - 152617 MB, Free - 93892 MB; J: Total - 152625 MB, Free - 133873 MB;
    Motherboard: Dell Inc., 0RY007
    Antivirus: Trend Micro Titanium Maximum Security, Updated: Yes, On-Demand Scanner: Enabled

    The error message reads:
    Task < removed email address> sending reported error (0x800CCC78) Cannot send the message. Verify the email address in your account properties. The server responded; 450 4.7.1 < removed email address> Auto blocked due to excessive mail
  2. sniper1132


    Dec 24, 2012
    check outgoing mail server if it is correct(SMTP).
  3. dvk01

    dvk01 Moderator Malware Specialist

    Dec 14, 2002
    First Name:
    you need to get in touch with your ISP about that
    the important part of the message is

    Auto blocked due to excessive mail

    that means either a spammer is using your email account & you are infected and have a spam bot running on your computer or you are sending too many emails and the ISP thinks that you are a spammer
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