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How polished cold email gets past your filter, explained without assuming you run a mail server.
- Why this email passed every spam check and is still spam
SPF, DKIM, and DMARC prove a message came from where it says. They say nothing about whether the sender is honest.
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- SPF, DKIM, and DMARC in plain English
What each of the three checks actually verifies, what a pass means, and why a pass is easy to get.
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- Your WordPress contact form might be sending mail from someone else’s server
Web servers that send their own mail are easy to hijack. Here is how a contact form turns into a cold-email relay.
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