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General
How much does it cost to use the SPF service?
I just don't understand SPF, I just want to get my e-mails!
Do I need to publish an SPF entry for all my SMTP servers?
Do I need SPF?
What does SPF actually do now?
I manage my own domains and want to publish or revise my SPF record.
What is SPF and why does it complicate my life?
Acceptance and introduction
Common errors when creating an SPF record!
Can I use SPF with a dynamic IP address?
The Evil Question: What about subdomains?
How do I publish TXT records if my DNS records end in .local?
I am an ISP, what do I have to consider?
What if I do not manage my DNS records myself?
Can I bypass SPF checks for specific servers? Can I whitelist hosts on my dmz without publishing their addresses?
My record looks fine, why do I get a TempError from Hotmail and how can I fix it?
Does Hotmail run SPF?
What guidelines besides SPF should I use in my MTA?
My message does not arrive at Hotmail, not even in the Spam folder. Why?
Can I run an SMTP server on my laptop?
I have created my own entries. How do I test, validate, check them?
The SPF page "Why" indicated that I should wait a few days and then try again. I did. And now?
Protocol
Explained: How does SPF work in 1 minute
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