What is SPF all?

Related questions

1. Can I have multiple SPF records?
2. How does SPF check work?
3. Where do you set up SPF record?
4. Why SPF record is important?
5. What is SPF in email security?
6. How do I enable or add SPF records?
7. Does dmarc require SPF?
8. What is SPF neutral?
9. What is my SPF record?
10. Can you have two SPF TXT records?

Tags

1. #authorized
2. #servers
3. #authentication
4. #service
5. #framework
6. #domain
7. #email
8. #prevent
9. #sending
10. #which
11. #technique
12. #organisation
13. #policy
14. #publish
15. #behalf
16. #messages
17. #sender
18. #dmarc
19. #spammers