Juan Miscaro wrote:

quoted text
> My OpenBSD 4.0 mail filter (running amavisd-new) has been up and

> running well for 70 days.  I received a complaint of delays this

> morning.  Indeed, I see that servers which had been whitelisted by

> spamd were no longer so.  I verified that spamlogd is still running.

> Does anyone have any ideas how this could have happened?

 From spamd(8), -G, whitelisted entries are dropped if the IP address

does not send again within 36 days.
Could the new messages have come from a different IP address? Or was the

  last message sent more than 36 days ago?