¶The mailbox has always been a battleground over public morals and private spaces
For as long as the United States has had a Postal Service, Americans have debated where to draw the line on so-called obscene material sent through the mail. Love letters, medical information, advertising, and explicit content have all tested the balance between free expression, public decency, family protection, and individual privacy.
After more than a century of shifting standards, the law now gives significant weight to the recipient’s own judgment. Here is how that evolution unfolded, through seven notable episodes.
¶1. Congress makes obscene mail a federal mail crime (1873)
After the Civil War, large numbers of young men and women moved from small towns into cities, cheap steam-press printing made books and pictures inexpensive to mass-produce, and the growing national mail network let printers ship them anywhere. The result was a sizable mail-order trade in pornography, contraceptives, and abortion remedies, much of it advertised openly and sold by post. Two earlier federal laws, in 1842 and 1865, had tried to curb it and had not.
The scale was real, and it is documented in large part by the man who set out to stop it. Anthony Comstock, a Union veteran who had joined the YMCA after moving to New York, kept a running inventory of what he seized. By 1876 he reported destroying roughly 21,000 pounds of books and 202,000 photographs and pictures, along with about 14,000 pounds of the printing plates used to mass-produce them. Whether one read that trade as moral corruption or simply as commerce, fourteen thousand pounds of printing plates points to an industry, not a fringe.
That is the tension worth sitting with. A society with strict public norms about sex was also home to a thriving commercial market in the very material those norms condemned, and the printing press and the postal system were what let it scale. The reform movement was the reaction to it. Comstock and the New York Society for the Suppression of Vice, backed by the YMCA and wealthy patrons, argued that unchecked distribution of such material through the mail threatened the family, public morals, and the young.
The 1873 Comstock Act made it a federal crime to send ” obscene, lewd, or lascivious” matter through the mail. It also covered articles and information for contraception and abortion, treating them as part of the same concern about separating sex from marriage and childbearing. Comstock was appointed a special agent of the Post Office, with authority to inspect the mail and make arrests, and he enforced the law for more than four decades. Supporters saw it as necessary protection; critics called it overbroad and coined the word ” Comstockery” for censorship they considered excessive.
¶2. Margaret Sanger mails a birth-control pamphlet and her husband is jailed (1914–1915)
In 1914, the (still controversial) activist Margaret Sanger published Family Limitation, a sixteen-page how-to manual for preventing pregnancy. It gave illustrated, step-by-step instructions for six methods, with ingredients and drugstore prices: spermicidal douche formulas mixed from boric acid, citric acid, or quinine; condoms, which she called ” cots”; rubber pessaries and the Mizpah cervical cap; vinegar-soaked sponges; and cocoa-butter or quinine suppositories. It was written plainly enough for a working-class reader with no medical training.
Under the Comstock Act this was illegal to mail, and the explicitness was exactly what the prosecution turned on. In 1915 Sanger’s husband, William, was jailed for thirty days after handing a copy to a Comstock agent. The case brought the era’s division into the open: supporters of the law argued that mass-distributing detailed contraceptive instructions to the general public would loosen sexual restraint and weaken the family, while Sanger and her allies argued the restrictions kept women, and poor women especially, ignorant of their own bodies and trapped by repeated pregnancy.
¶3. A sex-education pamphlet lands its author in court (1930)
Mary Ware Dennett wrote ” The Sex Side of Life” in 1918 for her two teenage sons, after finding the available sex-education material evasive and, in her view, inaccurate. It described anatomy and reproduction in plain, direct language. She shared it with parents, schools, and youth groups, and the Post Office charged her under the Comstock Act for mailing it. Convicted at trial, she won on appeal in United States v. Dennett, where the court held that material meant primarily to inform rather than to arouse was not obscene.
The ruling reflected a growing judicial willingness to separate education from titillation, and it narrowed the law’s practical reach.
¶4. The Supreme Court defines obscenity (1957)
Samuel Roth, a New York publisher, was prosecuted repeatedly across roughly three decades for mailing erotic books, magazines, and advertising circulars. His case reached the Supreme Court, which used it to set the first sustained constitutional test for obscenity under the federal mail statute (18 U. S. C. 1461).
In Roth v. United States, the Court held that obscenity gets no First Amendment protection, and defined it as material whose dominant theme appeals to a ” prurient interest” judged by contemporary community standards. The test kept some communal limits in place while narrowing enforcement well below the sweeping reach of the Comstock era.
¶5. Pandering and the "leer of the sensualist" (1966)
Ralph Ginzburg published the erotic magazine Eros and marketed it with deliberate provocation. Wanting a postmark to match the product, he sought mailing privileges from the Pennsylvania towns of Blue Ball and Intercourse, and when those fell through he mailed the magazine from Middlesex, New Jersey. In Ginzburg v. United States, the Supreme Court upheld his conviction and introduced the ” pandering” doctrine: the way material is advertised and sold can tip otherwise borderline content into obscenity.
Justice Brennan wrote that the operation had advertised with what he called the “leer of the sensualist,” making the point that aggressive commercial exploitation of sex could itself weigh toward a finding of obscenity, even when the content alone was debatable.
¶6. The decision shifts to the recipient (1970)
In Rowan v. United States Post Office Department, the Supreme Court unanimously upheld a law allowing any householder to require a mailer to stop sending sexually offensive advertising. The Court ruled that a vendor has no constitutional right to force unwanted material into a private home. The recipient’s judgment about what is offensive would control.
This marked a significant change: from government officials primarily deciding community standards to individuals exercising direct control over their own mailboxes.
¶7. The opt-out tool still available today (PS Form 1500)
The Rowan decision supports the continued use of PS Form 1500, the ” Application for Prohibitory Order Under the Pandering Advertisements Statute” (39 U. S. C. 3008). If you receive an advertisement you find erotically arousing or sexually provocative, you can attach the piece to the form and request a prohibitory order. The Postal Service must act, and the sender must stop mailing to you. Because of Rowan, the judgment is yours: a postmaster cannot overrule it on the grounds that the ad does not look provocative to him.
It is a practical, recipient-driven mechanism, powerful but limited to commercial mail from one sender at a time.
Form 1500 applies only to mail offering a product or service. It does not cover political mail or non-commercial speech, and the process requires the original piece and some paperwork.
¶The tension continues
Concerns about sexually suggestive mail did not vanish with the Victorians. The clearest recent example is the Victoria’s Secret catalog, which at its peak the company mailed in the range of 400 million copies a year. For close to two decades, many households objected to it arriving where children could see it. Victoria’s Secret ended the print catalog in 2016, and not because of any government order: the company decided the mailings no longer paid for themselves. (It still sends promotional mailers, and you can opt out of those too.)
The law has moved toward giving recipients more direct power over their own mailboxes. That respects privacy in the home, and it also reflects a broader shift away from shared standards set by government and toward individual choice. Where the balance between communal norms and personal preference should sit is still contested.
¶So what do you actually do about a stuffed mailbox?
The history shows that balancing free expression, commerce, and household privacy has never been simple, and the tools available today are narrow and specific. Form 1500 covers sales mail you personally find provocative. OptOutPrescreen covers prescreened credit and insurance offers. DMAchoice covers some catalog and ad mail, but only when the sender participates. Each one is its own form, login, or phone call.
That patchwork is the reason PaperKarma exists. Instead of filing a separate request for every sender and category, you photograph whatever you do not want and PaperKarma does the opting-out for you, across thousands of mailers, as a single managed service. It is the catch-all layer over a system built one narrow form at a time. (Our full guide to stopping junk mail covers every route.)
One category no service can reliably clear is political mail, which is protected speech. For nearly everything else that fills the box, that is the job.
Your mailbox remains a place where older ideas of public decency meet modern expectations of personal control.
¶Frequently asked questions
What was the Comstock Act?
The Comstock Act was an 1873 federal law that made it a crime to send ” obscene, lewd, or lascivious” material through the US mail.
Is the Comstock Act still in effect today?
Partly. Congress repealed the provisions covering birth-control materials, but the broader federal ban on mailing obscene matter (now 18 U.S.C. 1461) still stands, interpreted under modern Supreme Court standards. In practice the bar is narrow and applies only to material that is legally obscene.
Is it still illegal to mail obscene material in the United States?
Yes. Federal law (18 U. S. C. 1461) still bars obscene matter from the mail. The Supreme Court’s Roth decision (1957) narrowed the definition to material that appeals to prurient interest by contemporary community standards.
What is the "pandering" doctrine in obscenity law?
It comes from the Supreme Court’s 1966 Ginzburg decision. The doctrine holds that the way material is advertised and sold, not only the content itself, can push borderline material over the line into obscenity. Justice Brennan described the publisher’s marketing as advertising with “the leer of the sensualist.”
How can I stop receiving sexually explicit mail?
For mail advertising a product or service, you can file USPS Form 1500 and the Postal Service will issue a prohibitory order requiring that sender to stop. Your own judgment controls what counts as offensive, so you do not have to explain it. Form 1500 works one sender at a time; to clear unwanted mail across many senders at once, PaperKarma opts you out from a photo, as a single managed service that covers the whole problem.
Sources:
- Comstock Act;
- Anthony Comstock (Embryo Project);
- Anthony Comstock and the Fight Against Obscenity (First Amendment Encyclopedia);
- Margaret Sanger, ” Family Limitation”;
- United States v. Dennett;
- Roth v. United States (1957);
- Ginzburg v. United States (1966);
- Rowan v. United States Post Office Department (1970);
- USPS PS Form 1500.

