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DKIM


How to fix error “DKIM-Result: fail (bad signature)” and prevent mail bounce

DKIM-Result: fail (bad signature)” is an error reported by www.appmaildev.com – a DKIM validation website.

It means that the mail sender’s domain (say sender.com) failed an anti-spam test called DKIM, that is used to block fake or altered mails. (more…)