Have you sent out a case but where the recipient says it has not received an email?

Then it may be because:

- The email address is misspelled Double check the exact spelling, change the email address to the correct one.

- The email has ended up in the recipient's spam Ask the recipient to double-check that the e-mail has not ended up in the spam.

- The e-mail may be stuck in the e-mail server's filter Ask the recipient to contact their IT support to see if they can find the email.