Section 6.3 You are responsible for your communications and your use of The Student Doctor Network. You may not, under any circumstances, do any of the following: (a) use simultaneous, unattended or continuous connections to The Student Doctor Network with one account; (b) post or transmit any message which is libelous or defamatory; (c) post or transmit any message, data, image or program which is indecent, obscene or pornographic; (d) post or transmit any message, data, image or program that would violate the property rights of others, including unauthorized copyrighted text, images or programs, trade secrets or other confidential proprietary information, and trademarks or service marks used in an infringing fashion; (e) use The Student Doctor Network to threaten, harass, stalk, abuse, or otherwise violate the legal rights (including rights of privacy and publicity) of others; (f) intercept or attempt to intercept email or other private communications not intended for you; (g) send email to Users or other Internet users for any purpose other than personal communication, including to advertise or offer to unsolicited sell goods or services to other Users, use as a mass unsolicited distribution medium to communicate a generally unsolicited message, or use your email account as an address to which Users or other Internet users need to respond (except as otherwise expressly permitted by Coastal Research Group); (h) send unsolicited email messages through third-party mail servers in order to relay your email or hide the origination of your email to others; (i) upload or download files that contain software or other material protected by intellectual property laws, rights of privacy or publicity, or any other applicable law unless you own or control the rights to such files or have received all necessary consents.