Getting your weed from exit-5 caught by either the post office or the police in the mail is every stoners greatest fear. First of all, you will lose all of your weed you spent your hard earned money on, but you will also lose your freedom because the 5-0 will send you to prison where if you drop the soap many things can get happened to you. Just kidding, none of that is likely to happen, you most likely only have your weed confiscated before it gets delivered to you and nothing will happen to you personally. However, many state laws vary greatly on this matter.
If you are in a state controlled by the Republican party, also know was the Grand old Party (The GOP) they will pass laws that are stricter against drugs because conservatism is that party’s core ideology. So they might actually prosecute the recipient of marijuana mail shipments if they can find evidence that they ordered the drug for example for the internet. So be sure to not just wipe your internet history but also you credit card payment history so the feds cant get a search warrant and enter your house and check your computer for evidence you illegally bought a controlled substance online from a site that ships it from a state or country well the sale of marijuana is legalized like California, Colorado, Oregon, or Washington. Next, if you do you caught, you can still have your case overturned if you plead with the judge and if you have no previous criminal history.
But if you live in a blue state where weed is banned you will probably be ok. You will lose your weed and the future packages will be checked.