X400-Received:
Received via X.400 X.400
The X400-Received:
header is added by IDA sendmail
to document receipt of a mail message from an X.400
network. This header is used by both IDA and V8 to
count the number of forwarding sites when computing
the hop count of a mail message.
The X400-Received:
should never be declared in the configuration
file.
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