vb.org Archive - View Single Post - Miscellaneous Hacks - Check Proxy RBL on New User Registration.

DaNIEL MeNTED · #**203** 04-30-2008, 10:46 PM

proxies.dnsbl.sorbs.net
dnsbl.ahbl.org

I only use 2 lists... 99% of blocks are from proxies.dnsbl.sorbs.net...

As Tom said, you should make sure you avoid some aggressive SBLs. While its logical for mailservers (the primary users of SBLs) to block traffic from IP ranges assigned by ISPs to consumer addresses (DSL, Dial-up, etc.) as they're not legitimate sources of SMTP traffic its counter productive to do so with a forum...

Obviously you'll get a lot of matches. But a lot of them might be people who actually want to get on your forum.

You should also enable reporting - and check reports regularly. 99.9% of my blocks come from registration emails that are .ru (I run a small Canadian forum....) so its easy to see that those are spammers. (Usernames like 'cheapcigarettes' are a good hint too.)

You want to make sure that you don't tighten the screws down so tight you block legitimate users... especially if your board relies on donations.

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