Collaborate Disseminate
I just got a letter from court saying I made 49 threats to someone I had a problem with three years ago. This person presents “my emails” as evidence. I went through all my emails, and I haven’t found a single one. The mail p… Continue reading Someone is using my (or has the same) email
Good Morning All, I’ve been thrown into the deep end with a request from my director. I know little of DMARC and email spoofing in general, but I’m trying to somehow weed out WHY this spoof email “passed”.
It’s coming from… Continue reading Why did spoof email receive a "pass"? And why didn’t it show up in the aggregate report?
Sammy the sender is sending email to Rita the recipient. I know Sammy will apply a DKIM signature to the email and Rita is going to check the DKIM signature with a DKIM validator. I am a malicious man-in-the-middle. I want… Continue reading How to create email that will fool DKIM verifier?
Sammy the sender is sending email to Rita the recipient. I know Sammy will apply a DKIM signature to the email and Rita is going to check the DKIM signature with a DKIM validator. I am a malicious man-in-the-middle. I want… Continue reading How to create email that will fool DKIM verifier?
Today, I recieved a message that purports to be from Amazon.
Normally, I can spot a phishing email from a distance. (I work in an ISP’s Abuse & NOC department.) But this one seems just slightly off. If it is phishing, it’s scary good…. Continue reading Is this Amazon Business email phishing?
I understand that by publishing an initial p=none policy, you basically instruct recipients that participate in DMARC to NOT treat incoming mail any different than how they did before a DMARC policy was published.
Regardles… Continue reading On deploying DMARC
I understand that by publishing an initial p=none policy, you basically instruct recipients that participate in DMARC to NOT treat incoming mail any different than how they did before a DMARC policy was published.
Regardles… Continue reading On deploying DMARC
I mean, if I would have my own SMTP (also, is it just about money or are there some limitations to running my own SMTP server?) and would just completely made up the mail (headers, spoofed IPs and everything) and then sent th… Continue reading Can I spoof email?
I would like to know if it’s still possible to spoof an address from, for example, no-reply@company.com when sending to Gmail. I’ve tried sending a spoofed e-mail to other mail service and it performs the spoof successfully.
… Continue reading It’s still possible to email spoofing to Google
Sender Policy Framework and DomainKeys Identified Mail are two techniques that can be used to limit the amount of spam in inboxes.
The post Understanding the SPF and DKIM Spam Filtering Mechanisms appeared first on Security Intelligence.
Continue reading Understanding the SPF and DKIM Spam Filtering Mechanisms