# Can I mail a brick back to a junk-mail firm using the business reply envelope?

**URL:** <https://boards.straightdope.com/t/can-i-mail-a-brick-back-to-a-junk-mail-firm-using-the-business-reply-envelope/522081>\
**Category:** Cecil's Columns/Staff Reports\
**Created:** [December 21, 2009, 4:37pm UTC](https://boards.straightdope.com/t/can-i-mail-a-brick-back-to-a-junk-mail-firm-using-the-business-reply-envelope/522081 "2009-12-21T16:37:56Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Pascal666](https://avatars.discourse-cdn.com/v4/letter/p/eada6e/32.png) [@Pascal666](https://boards.straightdope.com/u/Pascal666)\
**Post date:** [December 21, 2009, 4:37pm UTC](https://boards.straightdope.com/t/can-i-mail-a-brick-back-to-a-junk-mail-firm-using-the-business-reply-envelope/522081/1 "2009-12-21T16:37:56Z")

</div>

[Can I mail a brick back to a junk-mail firm using the business reply envelope?](http://www.straightdope.com/columns/read/566/can-i-mail-a-brick-back-to-a-junk-mail-firm-using-the-business-reply-envelope)

Rule 917.243(b) appears to no longer exist in the [Domestic Mail Manual](http://pe.usps.gov/text/DMM300/DMM300_landing.htm).