Guide
How to audit email authentication
Review SPF, DKIM, and DMARC configuration across a domain and identify authentication gaps.
The situation
Email authentication — SPF, DKIM, and DMARC — is the foundation of deliverability. Misconfigured or missing authentication causes messages to be rejected, quarantined, or flagged as suspicious.
Before you begin
The operational path
The goal isn't just to find the error. The goal is to move from detection to a verified infrastructure state.
What could have caused this?
Cause
What changed
Possible impact
New sender not added to SPF
Sending service not authorized
Authentication failure for that sender
DKIM not configured
No signature on outgoing messages
DMARC cannot pass via DKIM alignment
DMARC at p=none
Policy not enforced
Failures logged but not acted on
Step by step
Infraova checks SPF, DKIM, and DMARC as part of its standard scan. Start by reviewing the current results.
What to check
With Infraova
Infraova checks SPF syntax, lookup count, DKIM key presence and strength, DMARC policy, and alignment configuration.
Review SPF to confirm every legitimate sender is authorized.
What to check
For each sending platform, confirm DKIM is configured and the DNS public key record is present.
What to check
Review the DMARC policy and confirm it is appropriate for the domain's current authentication maturity.
What to check
For each gap, determine the appropriate fix and move it through the proposal → approval → execution → verification workflow.
What to check
You decide. Infraova executes.
Infraova can propose and execute an approved infrastructure change, but it does not independently decide to modify client infrastructure. Every proposed change requires explicit authorization before execution.
Key takeaway
An authentication audit should be repeated whenever a new sending platform is added or a DNS change is made. Infraova makes the ongoing check automatic.
Turn this playbook into a continuous workflow
Without Infraova
With Infraova
The guide teaches you how to solve the problem once. Infraova keeps watching for it after you're done.
Continue the playbook
Want the product-level details?
Guides answer "How do I solve this?" Documentation answers "How does Infraova work?"
Stop discovering infrastructure problems manually.
Infraova continuously monitors your client and business infrastructure, identifies meaningful problems, proposes the next action, executes approved changes, and verifies the result.