User moderation question

[Hornstar]

First time using the user awaiting moderation feature in xenforo. The system is fairly default right now, I've only just gone live. I'm just worried that I will reject a valid user or accept a spammer now.

What things do you guys look for when determining if you should reject or accept a user?



Here is a pic of 3 users that it has picked up on. The 1st and 3rd have the same IP so I am assuming they are a spambot.
Is DNSBL matched reliable? Are there many false positives?

As for the 2nd user he seems to have only been detected based on username. Looks like a fairly normal username to me. What would you do?

 

[Paul B]

Check the IP address.
That will give you a clue whether they're from one of the regions typical for spammers.

If the hit is just on the name, I usually let it through.

If email or IP address are flagged, I don't.

 

[Amaury]

I just go by their e-mail, username, and age.

 

[Hornstar]

I rejected all of these but in future I won't reject solely on username. Turns out Bobbie wasn't a spammer and he contacted me. My bad.