We will wait for Philip Havers's report first then come to any decision on greylisting
Hurricane Server supports email deliverability and authentication standards such as DomainKeys / DKIM, bounce handling and open/click tracking, IP/reputation management, campaign management, greylisting
optimization, a web services API, domain based traffic shaping and an AJAX enabled HTTP management/reporting console.
Built-in antivirus and antispam measures like ClamAV, SpamAssassin, and Greylisting
ensure that SmarterMail customers receive the most up-to-date and effective protections at no additional cost.
6 delivers several new strengthened anti-spam features with a brand-new anti-spam engine, improved spam detection, greylisting
, and TRUSTmanager[TM] enhancements.
The SmarterMail Greylisting
feature--which stops up to 80% of spam at the edge of the mail network--now has whitelisting functionality.