[Greylist-users] whitelisting

John W. Baxter jwblist3 at olympus.net
Thu Jun 1 16:04:02 PDT 2006

On 6/1/06 1:15 PM, "Allan E. Johannesen" <aej at wpi.edu> wrote:

> It looks like google retries from inconsistent ips.  Does anyone have a
> whitelist for gmail?

Here is what I use as a starting point, for those domains which publish SPF.
(See, it's not entirely useless.)

# host -ttxt gmail.com
gmail.com text "v=spf1 redirect=_spf.google.com"

# host -ttxt _spf.google.com
_spf.google.com text "v=spf1 ip4: ip4:
ip4: ip4: ?all"

We also have a "trusted domains" list which bypasses greylisting when a
domain we call trusted publishes SPF and the SPF result is a "pass" of some
sort.  (Our home-grown greylisting daemon makes that decision, so I can't
post useful stuff about it.)


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