The Rejected Folder

Our blog shares expert insights on email security, DMARC configuration, and deliverability optimization.

SPF failed: why it happens and how to fix it
dmarc-setup ·

SPF failed: why it happens and how to fix it

SPF failures show up in your DMARC reports or email headers, but the reason is not always obvious. We break down the common causes of SPF failures and walk through practical troubleshooting steps.

DT
DMARCTrust
11 min read
Email authentication monitoring: why set-and-forget fails
dmarc-monitoring ·

Email authentication monitoring: why set-and-forget fails

Publishing SPF, DKIM, and DMARC records is just the start. Without monitoring, you won't know when authentication breaks, new senders appear, or someone starts spoofing you.

DT
DMARCTrust
9 min read
DMARC compliance tools in 2026: what you actually need
vendor-comparison ·

DMARC compliance tools in 2026: what you actually need

DMARC compliance is mandatory, but most companies approach it wrong. Here's what tools you actually need, who needs what, and what happens when you skip proper monitoring.

DT
DMARCTrust
14 min read
DMARC setup for Microsoft 365 and Office 365
dmarc-setup ·

DMARC setup for Microsoft 365 and Office 365

Set up SPF, custom-domain DKIM, and DMARC for Microsoft 365. Use the current Microsoft CNAME format, verify alignment, and monitor every sender.

DT
DMARCTrust
9 min read
A DMARC generator is step zero, not protection
dmarc-monitoring ·

A DMARC generator is step zero, not protection

Marc's note on the part people miss after creating a DMARC record: reports, sender inventory, alignment work, and why a DNS string alone does not protect a domain.

DT
DMARCTrust
6 min read
The 2026 email deliverability stack: 4 tools that actually matter
email-deliverability ·

The 2026 email deliverability stack: 4 tools that actually matter

Sending emails is no longer enough. Gmail, Yahoo, and Microsoft now require authentication, clean lists, and proper reputation. Here's the complete stack to ensure your emails actually reach the inbox.

DT
DMARCTrust
8 min read

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