What is mailgun used for?

Related questions

1. How do I find my mailgun API key?
2. What is mailgun API?
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4. What is the role of POP and IMAP?
5. What is an email API?
6. What is base URL in API?
7. What is difference between POP and IMAP?
8. What is SMTP relay service?
9. Why pop3 is used?
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Tags

1. #using
2. #provided
3. #tracking
4. #cloud
5. #websites
6. #offers
7. #complete
8. #through
9. #email
10. #applications
11. #receiving
12. #rackspace
13. #features
14. #intuitive
15. #service
16. #automation
17. #mailgun
18. #traditional
19. #sending
20. #protocols
21. #based
22. #available
23. #restful