DKIM Signature Alignment

What you see when your domain has this problem
DKIM-Signature is not aligned Details area Ignore

More Information About Dkim Signature Alignment

DKIM Alignment hinges the domain in your "FROM" header matching the domain used in the DKIM signature (d=domain.com). This uses a relaxed format by default which means that a sub-domain would align as well. If this value is changed to strict in your DMARC record then the domain must match exactly. 

If there are multiple DKIM signatures, only one of them must align for DKIM alignment to be valid.

DMARC is the key to improving Email Deliverability!

Email is the key to your customer communication strategy. But, what is your email reputation?

Setting up and managing your DMARC configuration is the key to getting insight into your email delivery. MxToolbox is the key to understanding DMARC.

MxToolbox Delivery Center gives you:

  • Who is sending phishing email purporting to be from your domain
  • What is the reputation of your domains and delegated IPs
  • Where other senders are and What their reputations are
  • How your SPF, DKIM and DMARC setup is performing
  • What on-going maintenance you need to maintain and improve your email deliverability

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