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WARNINGBefore enabling IP Profiler Rules, add all of your email server IP addresses (that
send outgoing messages to IMSVA) to the IP
Filtering Approved List. To configure the IP Filtering Approved List, see Adding Hosts to the Approved List.
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NoteThe LDAP service must be running to determine
non-existing recipients.
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TipTechnically, the LDAP server is not a must-have. The
DHA rule of IMSVA can also obtain
the DHA results returned from Postfix, which in turn passes these
results to FoxProxy through the LDAP server or other means. FoxProxy
then analyzes the results to determine if they are DHA attacks.
LDAP server is only one of the means by which Postfix
checks if a user's mailbox exists.
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NoteThe LDAP service must be running to check bounced mail.
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