A company has the following policy regarding email:

Messages that are defamatory, abusive, obscene, profane, sexually oriented, threatening or racially offensive are prohibited.

The inappropriate use of E-mail is in violation of company policy and may be subject (sic) to disciplinary action, up to and including termination of employment.

All information stored, transmitted, received, or contained in the company's E-mail systems is the property of John Hancock. It is not company policy to intentionally inspect E-mail usage. However, there may be business or legal situations that necessitate company review of E-mail and other documents.

[C]ompany management reserves the right to access all E-mail files.

If an employee receives an email from an outside source that contains inappropriate material but the employee immediately deletes the email. Could the employee that deleted the email immediately be terminated?