On 14 Apr 2016, at 14:04, Franck Martin via mailop wrote:
I prefer example.com TXT "v=spf1 ip:0.0.0.0/0 -all" or more sneaky example.com TXT "v=spf1 ip:0.0.0.0/1 ip:128.0.0.0/1 -all"
Which large mail provides either ignore or penalize. (Or will at some point in the future).
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