The Role of AI in Modern Email Security

April 17, 2026 / in Blog / by Zafar Khan, RPost CEO

How AI is Strengthening Email Security Beyond Static Rules.

Just a year or so ago, email security was mostly about blocking what looked obviously bad, such as known malicious links, suspicious attachments, spoofed domains, and spammy language. All of that is still relevant, but today’s attacks often look normal, timely, and believable with AI. And it’s why AI itself has become critical in email security.

DNS Swapping Attacks: How URLs Turn Malicious After Email Delivery

December 19, 2025 / in Blog / by Zafar Khan, RPost CEO

Shoe Sizes Don’t Change When You Age. Where URLs Resolve Can Change Even When Aged.

Rocky the raptor here, RPost’s cybersecurity product evangelist. I was in the ski shop the other day, doing what every raptor does around the holidays: soaking in the gear aisle and pretending I need new equipment 😊 I spotted a shiny new ski boot buckle gadget. Sleek. Clever. Possibly unnecessary.