Scams

Fraudulent schemes designed to deceive email recipients.

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New SendGrid Dedicated IP Immediately Listed on DNS Blacklists

Dedicated SendGrid IPs appearing on multiple DNSBLs can hurt email deliverability and sender reputation.

New SendGrid Dedicated IP Immediately Listed on DNS Blacklists
Suspicious Google Calendar Emails Trigger DMARC Failures

Attackers exploited Google Calendar to send phishing emails, causing DMARC failures for Yahoo recipients.

Suspicious Google Calendar Emails Trigger DMARC Failures
Unauthorized DNS Changes Suggest Possible GoDaddy Issue

Unexpected SPF and CNAME modifications bypassed DMARC, raising concerns about domain security with GoDaddy.

Unauthorized DNS Changes Suggest Possible GoDaddy Issue
Hidden SPF Abuse via Look-Alike SendGrid Domain

A typo-based SPF include exposed how look-alike domains can bypass security.

Hidden SPF Abuse via Look-Alike SendGrid Domain
Why Some Domains Are Heavily Spoofed While Others Are Safe

Spoofing targets depend on domain exposure, authentication gaps, and automation—not company size or staff count.

Why Some Domains Are Heavily Spoofed While Others Are Safe
How a Rare 3-Character Domain Exposes the Reality of Email Spoofing

Even small, lightly-used domains can be exploited for spoofing, phishing, and scams without owner knowledge.

How a Rare 3-Character Domain Exposes the Reality of Email Spoofing
Spoofed AppSheet Email Highlights Limits of DKIM, SPF, and DMARC

Threat actors abused AppSheet to send phishing emails that passed DKIM and DMARC checks.

Spoofed AppSheet Email Highlights Limits of DKIM, SPF, and DMARC