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  1. greenberet88

    Error 451 - Couldn't open temporary file

    Hello and Thanks for your quick reply, I get the error when I just try my account settings, meaning there is no file i´m sending, the server its not listed as a black list, (i have checked it out on mxrecords.org and senderbase.org) My server works fine using via webmail but when I configure...
  2. greenberet88

    Error 451 - Couldn't open temporary file

    This is the error code I get from Microsoft 0x800CCC6A IXP_E_SMTP_451_ERROR_PROCESSING Error processing request Cheers
  3. greenberet88

    Error 451 - Couldn't open temporary file

    Hi, I´m getting an error from my outlook 2007 when I try to send emails. Here it is: host SOMETHING.COM [(IP) XXX.XXX.XXX.XXX ] said: 451 Couldn't open temporary file (in reply to DATA command) What could be the problem? thank a lot in advanced
  4. greenberet88

    How to check SMTP User doing the Spam?

    Hello Norway2 and thanks for your quick response. We have stopped the spamming from our server, yet like you said its possible we are getting the Back-scatter emailed, I have checked the logs and i´m getting the NOQUEUE in tons, how can i block the backscatter emails..... should i block the...
  5. greenberet88

    How to check SMTP User doing the Spam?

    Hello everybody, I have an Email server with postfix, we have SMTP authentication installed, and we are getting spam outbound, meaning that somebody is using our server to send spam outside, we have fixed a lot of that but we still get it from time to time. My question is: If we have SMTP...

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