Yes, it is illegal in most situations.
It is a violation of United States federal law, specifically Section 1708 of the United States Code, Title 18.
No individual is allowed to open the mail of anyone besides him or herself; being married does not
Can I get in trouble for opening my husband’s mail?
Robert David Richman. Under federal law, delaying the mail is a crime. Nonetheless, as long as you are not stealing his mail or preventing him from getting it, it is unlikely that you will get in trouble for opening it, at least as far as a federal criminal prosecution is
Is it illegal to open someone’s mail?
Most people understand that it’s illegal to open mail that’s not addressed to them. Intentionally opening, intercepting or hiding someone else’s mail is the felony crime of mail theft. It comes with some heavyweight penalties, including five years’ incarceration in a federal prison.
Is it illegal to open your spouses mail Australia?
If you accidentally open someone else’s mail, this is not an offence. It is an offence to keep someone else’s mail or to obtain it dishonestly, but if it is wrongly delivered to your mailbox and you open it by accident, you should not face criminal charges.
Is it a crime if I look at my spouse’s email account without permission?
In general, all of these various laws have the effect of making it a felony to intercept without authorization an electronic communication, including emails. If you have permission to access your spouse’s email account, you can do so. But you best have that permission in writing.