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Intro
What is SPF?
Email authentication standards you need to know
How DKIM works
How DMARC is different from SPF and DKIM
Why use email authentication standards
SPF record myths
How to prevent your emails from getting into a spam folder
How SPF works
SPF mechanism visualized
Why SPF authentication fails and how to fix that
Why email authentication fails
How to automate your SPF record updates
SPF record tags explained
How to use SPF qualifiers
How to avoid anauthorized senders for better deliverability of your emails
How to create an SPF record for your domain in 3 easy steps
How to validate your SPF record
The 3 ways to troubleshoot SPF not working
How to fix DNS lookup limit error
How to fix SPF PemError
How to fix Multiple SPF records error
Summary