[Fynnon]

From their forums:

Invite DO's and DO NOT's

• DO remember to have the invitee, use a web based email service like Gmail, and not an ISP provided email service. (Some ISPs block the confirmation emails)
• DO ask the invitee to allow noreply@revolutiontt.net though the SPAM filter, and / or to check the SPAM folder if they have problems receiving the invite.
• DO wait 5 days for missing invites to expire before requesting them to be re-added to your account.
• DO NOT Invite users from banned countries. Revolutiontt has been forced to exclude several countries from being members of site due to rampant abuses perpetrated by certain geographic locations. These include Brazil, Egypt, India, Iran, Israel, Pakistan, Portugal, Romania, Saudi Arabia, Turkey. Invites sent to these locations as of Jan 2010 will result in banning of both the invitee and the inviter's account.
• DO NOT log into the invitee's computer / IP Address, to send the invite. This will cause the system to associate the invitee's IP Address with your IP Address and therefore ruin the invite.
• DO NOT allow the invitee to make the RevolutionTT Registration Confirmation, from your computer / IP Address. This will cause the system to associate your IP Address with the invitee's IP Address and therefore ruin the invite.
• DO NOT sell or trade your invites, this will result in a ban on your account and IP Address, your entire invite tree may be subject to bans, at our discretion we may choose to share your username/IP Address with staff on other torrent sites.

If you are from Brazil, Egypt, India, Iran, Israel, Pakistan, Portugal, Romania, Saudi Arabia or Turkey you cant invite or get invited
People from those countries even if already have invites or if they DONATED they will not be able to use the invites.