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Outlook Express Email for Windows XP

Recently, I am unable to send email messages to two of my clients from one of my computers on my network. I am able to send email messages to these clients from other computers on the network.

Here is the error I am receiving:

Quote:
Your message was rejected by mta7.am0.yahoodns.net for the following reason:

Message not allowed - [320]

The following recipients did not receive this message:

<tnichczynski@yahoo.com>

Does anyone know how to fix this problem?

Lawrence
lkeeney@cox.net
5 answers Last reply Best Answer
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  1. Best answer
    Make sure the time and date are correct on that PC. That error can be caused by the time being off by more than a few hours.
  2. PhilFrisbie said:
    Make sure the time and date are correct on that PC. That error can be caused by the time being off by more than a few hours.


    Thanks for your reply.

    My computer was off by exactly 1 hour.

    What is strange that only two of my contacts were being blocked.

    I just sent both of these contacts test email messages to see if fixing my clock solved the problem.

    Edit:

    This did not solve the problem as both of the email messages I just sent were blocked.
  3. Did you make sure the DATE was correct?
  4. No, unfortunately I did not check the DATE. The date was off by one month. I corrected this, and sent a test message to one of the contacts I was having a problem with.

    I did not receive and immediate error reply like I did previously, so hopefully this fixed the problem. I will post here again when and if I receive a reply to my test message.

    Lawrence

    Edit:

    My email was received by the contact I sent it to. Hopefully, this will fix the other contact I could not send an email message to also.

    Thanks for you help on this problem. It is much appreciated.
  5. Best answer selected by lkeeney.
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