6. Use of frontier.co.uk Communications.
In connection with your use of any of the chat areas, bulletin boards, e-mail or other public communication elements of frontier.co.uk or in connection with any activity governed by these Terms of Use including, without limitation, online game play, you may not upload to, distribute through, or otherwise publish through Frontier.com or any other venue or web site any content which is, as determined by Frontier in its sole discretion, libelous, defamatory, obscene, pornographic, threatening, invasive of privacy or publicity rights, abusive, disparaging, illegal, or otherwise objectionable or that would constitute or encourage a criminal offense, violate the rights of any party, or that would otherwise give rise to liability, or violates any law. You agree that your activities on the Site (including without limitation submission of any Messages to Forums) will not:
a. infringe Frontier or any third party's copyright, trademark, trade secret or other proprietary rights or rights of publicity or privacy (and by submitting Messages to Forums, you represent to Frontier that you are the rightful owner of such material or that you have first obtained permission to submit the material from the rightful owner);
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c. transmit content Frontier considers in its sole discretion to be disruptive, unlawful, harmful, threatening, abusive, harassing, defamatory, vulgar, obscene, pornographic, sexually explicit, hateful, racially, ethnically or otherwise objectionable;
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f. contain any virus or other harmful component or otherwise disrupt the normal flow of communication in or operation of the Forums in any way; or