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R

E

Authentication & DNS

Why is my SPF failing?

R

E

Authentication & DNS

Why is my SPF failing?

To troubleshoot SPF failures:

  1. Identify your Return-Path (bounce) domain from your email headers

  2. Locate the sending IP address(es)

  3. Use the Vamsoft SPF Policy Tester to diagnose issues

  4. Common causes of SPF failures:

    • Missing include:Emailmail.com in SPF record

    • Incorrect IP addresses in SPF record

    • Too many DNS lookups (exceeding 10 lookup limit)

    • Syntax errors in SPF record

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bird can transform your business.

Automate

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Bird VAT number: NL 850209092B01, KVK number: 51874474

Experience Bird

Book a demo and see how

bird can transform your business.

Reach

Grow

Manage

Automate

Resources

Company

Newsletter

Stay up to date with Bird through weekly updates to your inbox.

Bird VAT number: NL 850209092B01, KVK number: 51874474