GHC Trac spam filter is rejecting new registrations

Robert Henderson rob at
Mon Oct 17 13:05:21 UTC 2016

Thanks for fixing that, registration seems to be working fine now.


On 15/10/16 16:38, Ben Gamari wrote:
> Robert Henderson <rob at> writes:
>> Hi,
>> I've been trying to register a new account on GHC Trac in order to
>> submit a bug report, and I'm getting the following error:
>>   Submission rejected as potential spam
>>   SpamBayes determined spam probability of 90.82%
> Oh dear, very sorry about that. I've adjusted the spam filter
> configuration; can you try again?
>> Could this be a bug or issue with a recent release of the Trac software?
>> I've noticed people complaining about the same problem on other websites
>> that use Trac, e.g.:
> It's not a bug; it's just that spammers are quite good at emulating
> humans and unfortunately Trac doesn't have very strong tools for
> catching them. We use a Bayesian spam classifier to catch Trac spam, but
> sadly it's imperfect.
> Thanks for bringing up your issue!
> Cheers,
> - Ben

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