greylisting

[James Kramer]

On 3/11/07, Kristian Hermansen <kristian.hermansen at gmail.com> wrote:
> How does Gmail do it?  Do they utilize the fact that millions of their. . .

That is a good question.  They could be using Exim with all the ACL
stuff maxed out on their server farms but their email responds too
quickly and doesn't seem to blacklist questionable sites.
jay

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