Inmates are allowed to write and receive correspondence. Rules of the St. Louis County Jail are as follows:
- Incoming Mail:
- No limit on the volume of lawful letters an inmate may receive.
- Unlawful mail includes, but is not limited to, that which is libelous, obscene or contains contraband.
- Periodical, newspapers and packages are not permitted.
- All incoming mail must be processed and delivered by U.S. Postal Service.
- Mail will be delivered as soon as inspected.
- All incoming non-legal mail will be opened by Jail staff and inspected for contraband and money. All money will be placed in the inmate's account.
- Incoming legal mail may be opened and inspected in front of the receiving inmate but will not be read or censored.
- Mail addressed to an inmate who has been transferred or released shall be forwarded to the address provided by the inmate or returned to sender.
- Must be standard size. Polaroids and over-sized photos will be placed into the inmate's property and must remain there until the inmate's release.
- Only six (6) photos per incoming letter will be forwarded to inmate. If a letter contains more than six, the excess will be placed into the inmate's property and must remain there until the inmate's release.