ORDB

AcronymDefinition
ORDBOperator Reference Data Base
ORDBOpen Relay Data Base
ORDBObject Relational Data Base
ORDBOpen Relay Database
ORDBObject Relational Database
ORDBOperator Reference Data Base (directory assistance)
References in periodicals archive ?
The ORDB list is a database maintained by ORDB.org, a non-profit organization that stores the IP addresses of verified open SMTP relays.
Also it is designed to integrate with industry-wide watchdog and identification groups, the `DNS Blacklists' such as ORDB and Spamhaus that identify domains that are spammers or are insufficiently secure and are exploited by spammers.
* Tracing the source of the mail--checks if the sender domain is valid and if the sending mail server is on the ORDB list (a database of open relay mail servers).