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Sender Policy Framework
How much does it cost to use the SPF service?
I just don't understand SPF, I just want to get my e-mails!
What is SPF and why does it complicate my life?
I manage my own domains and want to publish or revise my SPF record.
What does SPF actually do now?
Do I need to publish an SPF entry for all my SMTP servers?
Do I need SPF?
Acceptance and introduction
Common errors when creating an SPF record!
The Evil Question: What about subdomains?
Can I use SPF with a dynamic IP address?
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?
I am an ISP, what do I have to consider?
Does Hotmail run SPF?
How do I publish TXT records if my DNS records end in .local?
Can I run an SMTP server on my laptop?
The SPF page "Why" indicated that I should wait a few days and then try again. I did. And now?
What if I do not manage my DNS records myself?
My message does not arrive at Hotmail, not even in the Spam folder. Why?
What guidelines besides SPF should I use in my MTA?
I have created my own entries. How do I test, validate, check them?
Explained: How does SPF work in 1 minute
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Analysis, troubleshooting and creation of an optimal SPF record for your domain at a fixed price
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