Author Archives: Luke Martinez

About Luke Martinez

Luke is a software developer with a passion for solving tough problems. He's been tasked with building tools that automate and simplify the work of SendGrid's compliance and delivery teams. He loves that SendGrid encourages him to grow as a developer, and he hopes to pay it forward by doing everything he can to help SendGrid grow as a company.


Articles Posted by Luke


What is DMARC?

Posted on (0 Comments)

DMARC stands for “Domain-based Message Authentication, Reporting & Conformance.” DMARC is protocol that uses SPF and DKIM to determine the authenticity of an email message. DMARC requires both SPF and DKIM to fail in order for it to act on a message. Your DMARC record is published alongside your domain’s other DNS records (SPF, A record, CNAME, DKIM, etc.). Unlike SPF and DKIM, a properly configured DMARC policy can tell a receiving server whether or not to accept an email from a particular sender. It is important to note that not all receiving servers will perform a DMARC check before

READ MORE »

Great Expectations: Setting User Expectations Before Pressing “Send”

Posted on (0 Comments)

If you have read our blog on what it means to be a white hat sender, and why it’s good for your brand, some of this may be review for you. However, the topic of properly setting expectations for your email program at the point of sign-up is worth writing about. You might remember our slogan from the “Why White Hat?” article above–send the right message, to the right person, at the right time, with the right frequency. When all four of these criteria are met, we rarely see deliverability problems. So, how do you ensure that your email program

READ MORE »

Why White Hat?

Posted on (0 Comments)

White hat senders experience better email deliverability. With 22% of wanted commercial email never making it to the inbox, being a white hat sender can help you beat the odds. So what does it mean to be white hat and why is it the only choice for your business? What Is White Hat? A white hat sender’s primary concern is permission. Ask yourself: do I have the recipient’s express permission to send them this email? If the answer to this question is anything other than a resounding “yes!”, a white hat sender will not send that email. The specifics of

READ MORE »