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9 lines
554 B
Plaintext
9 lines
554 B
Plaintext
DRAC is a daemon that dynamically updates a relay authorization map for
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sendmail. It provides a way to allow legitimate users to relay mail through an
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SMTP server, while still preventing others from using it as a spam relay.
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User's IP addresses are added to the map immediately after they have
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authenticated to the POP or IMAP server. By default, map entries expire after
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30 minutes, but can be renewed by additional authentication. Periodically
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checking mail on a POP server is sufficient to do this. The POP and SMTP
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servers can be on different hosts.
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