Trac seems to think I'm a spambot...?

Kim-Ee Yeoh ky3 at
Mon Apr 7 10:17:43 UTC 2014


Off the top of my head:

What email addresses are attached to the spamming trac accounts? Is there
any pattern to them?

More importantly, are external links nofollow'd [1] to reduce spam
incentive? Doesn't appear so [2] if you view html source and search for
"reddit thread". There's a whole bunch of material when I search for "trac
nofollow", so maybe that's the answer.


-- Kim-Ee

On Mon, Apr 7, 2014 at 4:50 PM, Herbert Valerio Riedel
<hvriedel at>wrote:

> On 2014-04-07 at 11:43:23 +0200, Kyle Van Berendonck wrote:
> > I just got flagged as a spambot trying to reply to a ticket too. It did
> > give me a captcha option though.
> It's surprisingly difficult to discriminate between humans and bots;
> I've enabled and I've tried
> tweaking its score weightings, but it still gets some false positives,
> and is tends to annoy with reCaptcha interaction (and to my surprise,
> even spambots seem to be able to outsmart reCaptcha these days)
> Does anyone here have more experience with spam-filtering who could help
> set up the Trac spam-filtering?
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> ghc-devs mailing list
> ghc-devs at
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