The United States Customs and Border Protection (CBP), Industry Partnership and Outreach Program office is providing notice to industry for the change in email addresses to reach our office. All inquires including: small businesses, large businesses, unsolicited proposals should now be sent to cbp-ipop@cbp.dhs.gov which is now the only mailbox . The following mailboxes have been discontinued: procurement-ipop@cbp.dhs.gov smallbusinessoffice@cbp.dhs.gov