Email Blocklists and Spamlists
Oracle NetSuite actively monitors our outbound mail servers to make sure they're not listed by major, reputable lists. As of NetSuite 2020.2, the only lists that are actively monitored are Spamhaus and SpamCop.
For information about how to keep your email reputation strong, see Email Best Practices.
It’s possible that our mail servers may appear on lesser-known or less credible blocklists than Spamhaus or SpamCop. Because there are countless blocklists and junk mail lists in use, many of which are not widely recognized, it's nearly impossible to monitor every list that recipient mail servers may reference.
If your email wasn't delivered because the outbound email IP address appears on either Spamhaus or SpamCop, contact NetSuite Customer Support.
If your email wasn't delivered because the outbound email IP address is on a different blocklist, request that the recipient mail server be reconfigured to use only Spamhaus and SpamCop.