Unrolling SPF records to find out which networks are in there, including mx & includes is fun.
And scary sometimes, just look at the one from salesforce.com:https://gist.github.com/keltia/df0b881315227184d17a8d0adf37f864
WIP at https://github.com/keltia/spf
Why is this step necessary? mamot.fr might not be the server where you are registered, so we need to redirect you to your home server first.
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