[setishock]

I have read each and every post in this thread. And I've noticed there are some things missing that I feel would need to be addressed.

Have all of the invite emails cued to send subject to admin or mod approval. Batch mail out or bulk mailer. What ever it's called. Or maybe an automatic function that would send them out in mass. At a fixed time once per day.

While the mail is sitting in the cue, have the invite system do the following:
Check to see if more than one member has sent an invite to the same email name and address before it goes out. Some sort of notice message saying so and so has already been invited. This would make the users have to send invites to different addresses each time. This would prevent users from sending mail over and over to the same email address. I would assume it would have to check the time and date of the outgoing invites and determine whose got cued first and send that one. Then give the notice message to the member that sent the dup.

I would do away with the member added message. Too open for abuse. Either that or make sure they could not attach an image or a link. Matter of fact if they can see the outbound message I would make it a hard coded example and that would be all they could see of it.

Maybe I missed it but if I didn't, there needs to be a status page added to the stats in the ACP.
Who sent invites
How many total
To who
Who responded
Something like that.

I'm going to wait until 3.7 goes gold to grab this one. Lord knows my place needs a kick in the pants.
Nice work.