Suped
Product
Tools
Resources
MSP
Pricing
Back to Guides
SPF guides
Comprehensive guides about SPF, covering essential topics and best practices for email marketers and technical teams.
What is the full form of SPF in email?
Why you shouldn't add MailChimp to your SPF record
Why your emails fail at Microsoft: the hidden SPF DNS timeout
Solving the SPF alignment puzzle for google workspace alias domains
How to fix the 'SPF unauthorized mail is prohibited' error
Demystifying the SPF TempError in your DMARC reports
0.0
What's your domain score?
Deep-scan SPF, DKIM & DMARC records for email deliverability and security issues.
Scan for issues
Start monitoring your DMARC reports today
What you'll get with Suped
Real-time DMARC report monitoring and analysis
Automated alerts for authentication failures
Clear recommendations to improve email deliverability
Protection against phishing and domain spoofing
Get started - free
Product
DMARC monitoring
Hosted DMARC
Hosted SPF
Hosted MTA-STS
SPF flattening
Blocklist monitoring
MSP
Pricing
Tools
Domain health checker
DMARC checker
SPF checker
DKIM checker
DMARC record generator
Email tester
Blocklist checker
Resources
Docs
Customers
Blog
Guides
Knowledge base
Contact
Suped
Privacy policy
Terms of service
© 2026 Suped Pty Ltd
Privacy policy
Terms of service