Checked your Anti Virus and Security programs so as they do not scan incoming and outgoing emails

--
Peter

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"Simon" wrote in message ...
But everything else works.

Hi, I have a customer with 12 Vista Business PC's. All but 2 of the PC's
work 100% The 2 I'm having problems are not able to send or recieve email.
They are using Outlook2007, as are all PC's. IE works 100%. They have the
same settings (POP, SMTP) as every other PC.

They are members of a Windows 2003 Domain (SBS2003) and using DHCP the DNS
server is the 2003 server. DNS (nslookup) responds the same on all PC's.

Any thoughts as to what the problem could be?