Does Google simply allow all Internet hosts in its SPF records? (gist.github.com) 1 points by AdamN 12y ago ↗ HN
[–] Canausa 12y ago ↗ No they do not.Google lists out all of the ip address that it owns and then follows with a ~all, which means soft fail spf on anything else.
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[ 3.4 ms ] story [ 17.0 ms ] threadGoogle lists out all of the ip address that it owns and then follows with a ~all, which means soft fail spf on anything else.