What happens if you send an email to an invalid address?

Related questions

1. What happens if email address is wrong?
2. What is your email address?
3. What happens if I open a spam email?
4. Why is my email address not working?
5. Is it okay to open spam emails?
6. What should you do if you receive a suspicious email?
7. Why can't I get into my email account?
8. Is space allowed in email address?
9. Can you find someone's email address?
10. Is Gmail and email the same?

Tags

1. #default
2. #error
3. #accepts
4. #processes
5. #there
6. #under
7. #domain
8. #server
9. #address
10. #sender
11. #email
12. #message
13. #finds
14. #returns
15. #recipient
16. #happens
17. #invalid