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  1. babeinaz

    did not issue MAIL/EXPN/VRFY/ETRN du

    I got one of these errors on an intranet web server that only allows outgoing sendmail. The IP belongs to a Korean network, not our intranet. Any ideas on what they were trying to do and HOW they got through a firewall to do it? Nov 3 14:48:18 XXXXXX.XXXXXXXX.XXX sendmail[13702]: NOQUEUE...
  2. babeinaz

    Sendmail help needed

    I got one of these errors on an intranet web server that only allows outgoing sendmail. The IP belongs to a Korean network, not our intranet. Any ideas on what they were trying to do and HOW they got through a firewall to do it? Nov 3 14:48:18 XXXXXX.XXXXXXXX.XXX sendmail[13702]: NOQUEUE...

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