Collaborate Disseminate
I am using AWS SES to send emails from a Lambda function with a FROM address of do-not-reply@example.com. I have configured the following:
Domain Identity: example.com
DKIM Signatures: Using RSA 2048-bit with custom DNS records in Route53…. Continue reading How to Fix DKIM Alignment Issues with AWS SES in Lambda Emails to Prevent Spam Filtering?
I have a friend who uses Google Mail. They have been in contact with a company for a while arranging a purchase.
They got a new email chain from the company providing real information and fake payment details. According to the company most… Continue reading How could this have been done – is it possible to edit a received email on Gmail?
I’m a software developer, with limited Mail server setup experience, running a little side SAAS on the side where I send emails to my customers. My domain has SPF, DMARC and DKIM setup and I use SendGrid email API for emails.
I’d like to … Continue reading Can I use multiple email providers with my website’s DKIM, DMARC and SPF?
As Steffen Ullrich mentioned in my previous post
"An attacker could not replace the body without also replacing the
DKIM signature, or the validation will fail (which you need to check
if they match). The attacker cannot create their… Continue reading Comparing DKIM Signature of Spoofed and Genuine email [closed]
I’ve read a good bit about DMARC, DKIM, and SPF but now that I’m getting results come in, there are some things I’m seeing that I don’t understand. I keep seeing passing DKIM results from outside domains and their selectors, as well as pas… Continue reading DKIM Authorization Question
I am having a hard time understanding the different methods of e-mail verification. I know about DKIM, SPF and DMARC. If I would like to know whether an e-mail I received actually came from the e-mailaddress that is shown to me in my e-mai… Continue reading How to know whether e-mail was spoofed?
I am learning how to improve email deliverability. Along the way, I’m learning about DMARC reports, SPF and DKIM. I have a friend with a small business who said I can practice with this email service which is hosted with Google Workspace… Continue reading Is my DMARC report saying legitmate emails are failing or illegitimate emails are passing?
So I’m using Active Campaign as a CRM and have configured DKIM, SPF, and a DMARC none policy. I am having one particular customer of mine that’s not able to receive my emails despite them whitelisting me. They are using mimecast. I’ve don… Continue reading How To Address Email Deliverability Problems When From Header Doesn’t Match From Envelope?
I received an email earlier today on my work email address. The email came from the same address—mine—but I didn’t send it.
It was an email claiming that he was a professional hacker who had hacked my operating system and planted harmful s… Continue reading Spoofed email sent to me from my email address with SPF/DKIM/DMARC passing
Despite setting up strict DMARC, SPF, and having DKIM enabled, I am still easily able to spoof the "From" address. I can easily do this with PHPMailer on my Mac and even with some free 3rd party tools like
https://emkei.cz/
http… Continue reading Still able to spoof emails with strict DMARC, SPF and DKIM enabled