Tag: email security

Preventing Email Forgery Part Three: DMARC

December 19, 2023

In our previous two posts in this series, we examined how SPF and DKIM can help limit forged email messages by looking at the IP address and validating if the message was sent from an approved source based on digitally signed messages. We found that while SPF and DKIM can effectively prevent email fraud and […]

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 […]

Mitigating Threats To Your Email Security and Privacy

March 8, 2009

Email security issues and technologies are extremely complicated; however, here we intend to make the salient issues and solutions clearly understandable to all readers. You may already know that email is not a perfectly secure communication medium; however, it might surprise you to learn just how inherently insecure email can be. Messages thought deleted can […]