Tag: email forgery

Preventing Email Forgery Part Two: DKIM

December 19, 2023

In our next post in this series, we look at another way to prevent forged email: DKIM. By using encryption techniques and digital signatures, the sender’s servers can transparently “sign “a message so that you can verify the source and ensure the message has not been modified. DKIM works together with SPF to stop fraud […]

Preventing Email Forgery Part One: SPF

December 19, 2023

Some of the most dangerous cybersecurity threats originate with email, costing businesses millions of dollars annually. How can you increase your email security and prevent email fraud? In this series, we will look at how to use DNS records to prevent email forgery. The first and simplest method is SPF – Sender Policy Framework. Below, […]

Bounce Back & Backscatter Spam: Who Stole My Email Address?

September 24, 2013

So, you’re minding your own business, going about your daily tasks, checking your email, and suddenly your INBOX is flooded with a series of non-delivery reports (aka NDRs or bounce messages). But wait just a minute, you didn’t send these. How did this happen? Did someone steal your email address?  How is that possible? What […]