Explores how fake mailer tools are used to craft deceptive emails that impersonate trusted senders. Covers the risks posed by fake mailers, how to detect forged messages, and the technical safeguards that help organizations block fraudulent emails.
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In March 2021, the FBI's Internet Crime Complaint Center reported that business email compromise — often launched using a fake mailer or spoofing tool — cost American organizations over $1.8 billion in 2020 alone. That made it the most financially damaging cybercrime category in the entire IC3 report, dwarfing
In March 2024, the FBI's Internet Crime Complaint Center reported that business email compromise — much of it powered by spoofed sender addresses — cost victims over $2.9 billion in a single year. Behind many of those attacks sits a deceptively simple weapon: a fake mailer. These tools let
