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Originally, Fastmail only had you add MX records. The DKIM/SPF change was more recent (as in, sometime in the past 16 years :) due to changing standards around
by whichdan 5y ago
Originally, Fastmail only had you add MX records. The DKIM/SPF change was more recent (as in, sometime in the past 16 years :) due to changing standards around email deliverability.