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  1. #1
    3 Star Lounger amflores's Avatar
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    Outlook 2010: Unable to send e-mails, but able to receive.

    Quite often I have this problem: Unable to send e-mails from my Outlook 2010.
    Yet, I can receive my e-mails while this occurs.

    The msgs I get when the problem happens, starts by

    "A message that you sent could not be delivered to one or more of its recipients. This is a permanent error.
    ....
    ....
    Its not possible to locate the following recipients .....(named)
    503 Valid RCPT command must precede DATA"

    Well, these recipients are my everyday friens, co-workers, etc. with whom I exchange almost daily e-mails.

    Any help will be much appreciated.

    Regards,
    Flores

  2. #2
    Super Moderator RetiredGeek's Avatar
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    Flores,

    It sounds like your ISP's SMTP server is down or having problems resolving addresses. You can still receive because that is a different server and protocol, i.e. POP3.
    May the Forces of good computing be with you!

    RG

    PowerShell & VBA Rule!

    My Systems: Desktop Specs
    Laptop Specs

  3. The Following User Says Thank You to RetiredGeek For This Useful Post:

    amflores (2012-01-14)

  4. #3
    3 Star Lounger amflores's Avatar
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    [QUOTE ..... It sounds like your ISP's SMTP server is down or having problems resolving addresses. You can still receive because that is a different server and protocol, i.e. POP3. [/QUOTE]

    Hello RetiredGeek,

    I fully agree with you.
    I will check my ISP.

    Many thanks,
    Flores

  5. #4
    3 Star Lounger amflores's Avatar
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    ..... It sounds like your ISP's SMTP server is down or having problems resolving addresses. You can still receive because that is a different server and protocol, i.e. POP3.
    Hello RetiredGeek,

    I fully agree with you.
    I will check my ISP.

    Many thanks,
    Flores

  6. #5
    3 Star Lounger amflores's Avatar
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    ....It sounds like your ISP's SMTP server is down or having problems resolving addresses.

    Hello RetiredGeek,

    Problem solved.
    The problem was w/the ISP SMTP Server.
    Thanks again,
    Flores

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