Many times this error is caused by improper DNS configuration.
Yes, this was a DNS problem. Thank you!
Simon
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Simon (Vsevolod ILyushchenko) simonf(a)cshl.edu
http://www.simonf.com
Terrorism is a tactic and so to declare war on terrorism
is equivalent to Roosevelt's declaring war on blitzkrieg.
Zbigniew Brzezinski, U.S. national security advisor, 1977-81