Learn about DMARC, SPF, and DKIM
Welcome to DMARCPal's Learn blog. Check our posts to discover and learn more about DMARC, SPF, DKIM, and how to get the most value of your DMARCPal subscription.
If email from a perfectly legitimate system suddenly starts landing in spam (or bouncing), it usually isn't because "deliverability is mysterious".
It's because mailbox providers have been steadily raising the floor for what counts as a well-behaved sender.
This isn't just about inbox placement,...
“Apex domain” is one of those phrases that sounds more exotic than it is.
In day-to-day DNS work, the apex is simply the top name of the zone being edited. If the DNS zone is example.com, then the apex is example.com itself (sometimes shown as @ in DNS dashboards). If the zone is news.exa...
If you've ever stared at a DMARC report thinking "but SPF is passing... why is DMARC failing?", you've already met identifier alignment.
Alignment is one of those things that sounds like an academic detail until it bites you in production. Then it becomes the entire story.
In DMARC terms, what...
By default, any computer connected to the Internet can send emails pretending to come from your domain.
That’s true. If you registered example.com for your business and just configured basic email (i.e for sending and receiving XXX@example.com messages), then someone on a cybercafe on the ot...
