ORDB - What does ORDB stand for? The Free Dictionary
References in periodicals archive
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).