I can do nslookups for any domain successfully.
I ran DNSDiag.exe with: dnsdiag -d -v 1 and the results I get show everything is ok It exits with 0. Also, I unistalled GFI MailEssentials the day before as it was causing other problems so no anti-spam software on this server.Ĭhecked DNS and seems ok. I don't have any anti-virus on the server. This is happening for all domains users try to send to.Īnother thread in this forum recommended inserting our ISP DNS servers/resolvers as external DNS in the Default SMTP Virtual Server. The response from the remote server is ''. The SMTP verb which caused the error is 'mail from=*'.
Message delivery to the host '217.15.120.17' failed while delivering to the remote domain '.zw' for the following reason: The connection was dropped due to an SMTP protocol event sink. Since yesterday all outgoing mail is stuck in the queue. I'm running Exchange 2003 SP2 on server that also hosts my DNS.
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