Greylisting
Background information
CSCF Policy on Greylisting
How to opt in / out of greylisting
- CS: Greylisting is on by default for the central mail servers; to opt-out contact CSCF via Point-of-Contact, gripe or ST.
- IST: To opt-out of the greylisting service, simply send your request to request@ist. Opt-out lists will be updated daily.
-- LawrenceFolland - 03 Jun 2005