Delivery time expiration

[Mike Klinke]

On Wednesday 15 February 2006 02:24, James Wilkinson wrote:

> Either Red Hat has whitelisted Demon (my ISP), or the Red Hat
> implementation of greylisting learns which IP addresses will
> properly retry e-mails, and doesn't bother delaying e-mails from
> them. Presumably there's a timeout, so one e-mail may get
> greylisted every three months or so.

This "learning" is a normal function of greylisting and the timeout 
you mention is a configurable parameter.  I don't know if it's 
still true but at one time it appeared that only some of the RH 
servers where using greylisting.

Regards, Mike Klinke