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NoteThe internal Postfix
server cannot be used to send email notifications in
BCC or SPAN/TAP mode.
For more information on specifying an external SMTP server, see Configuring the Notification SMTP Server.
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Mode
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Description
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MTA mode
(Default)
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As an inline MTA, TippingPoint Advanced
Threat Protection for Email protects your network from harm by blocking malicious email messages in
the mail traffic flow. TippingPoint Advanced
Threat Protection for Email
delivers safe email messages to recipients.
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BCC mode
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As an out-of-band appliance, TippingPoint Advanced
Threat Protection for Email receives mirrored traffic from
an upstream MTA to monitor your network for cyber threats. TippingPoint Advanced
Threat Protection for Email discards all replicated email
messages without delivery.
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SPAN/TAP mode
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As an out-of-band appliance, TippingPoint Advanced
Threat Protection for Email receives mirrored traffic from
a SPAN/TAP device to monitor your network for cyber threats. TippingPoint Advanced
Threat Protection for Email discards all replicated email
messages without delivery.
If you select SPAN/TAP mode, you must add at
least one monitoring rule. For more information, see Monitoring Rules for SPAN/TAP Mode.
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