BATV keys add another layer of security to messages leaving your
network. Use BATV keys to add a token to outgoing messages. The
Global Bounce Address Tag Validation (BATV) rule can then perform
a specific action on bounced messages that do not have the specified
BATV key.
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Note
BATV
is a new technology. Not all MTAs support the use of BATV keys.
Verify your MTA supports the use of BATV keys before using this
feature.
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You can perform the following from the BATV Key screen: