A pink contract is an agreement between an email spammer

E-mail spam

Email spam, also known as junk email or unsolicited bulk email , is a subset of spam that involves nearly identical messages sent to numerous recipients by email. Definitions of spam usually include the aspects that email is unsolicited and sent in bulk. One subset of UBE is UCE...

 and the spammer's Internet service provider

Internet service provider

An Internet service provider is a company that provides access to the Internet. Access ISPs directly connect customers to the Internet using copper wires, wireless or fiber-optic connections. Hosting ISPs lease server space for smaller businesses and host other people servers...

. The contract exempts the spammer from the provider's terms of service, which typically prohibit spamming. In return, the spammer pays far more money for his internet connection than non-spammers.

The contract is called pink because that is the color of SPAM

Spam (food)

Spam is a canned precooked meat product made by the Hormel Foods Corporation, first introduced in 1937. The labeled ingredients in the classic variety of Spam are chopped pork shoulder meat, with ham meat added, salt, water, modified potato starch as a binder, and sodium nitrite as a preservative...

(the food), alluding to the fact that the contract enables spamming.
"Any ISP in the United States can get in real trouble for signing pink contracts. Problem is that there's a whole big world wide web out there and the bulk of the pink contracts are signed with overseas ISPs where US Federal Authorities have absolutely no power."

External links

• http://www.news.com/ATT-admits-spam-offense-after-contract-exposed/2100-1023_3-248067.html
• http://forum.spamcop.net/dict/Pink_Contract.html