Why would you want to send an e-mail just to ask whether the recipient received an attachment? Choose the best answer.

An e-mail system may block a message that contains an attachment, for example because of the file type or size. Sending a separate message to ask whether it arrived helps confirm that the recipient received it. So the best answer is that the recipient’s e-mail program may have blocked the e-mail with the attachment.

AI-written and checked against the verified answer.