[Buildbot] #3168: it's not possible to create an account

[Buildbot trac]

#3168: it's not possible to create an account
----------------------------+--------------------------------
Reporter:  sa2ajj           |       Owner:  verm
    Type:  support-request  |      Status:  accepted
Priority:  critical         |   Milestone:  sys - on-bb-infra
 Version:                   |  Resolution:
Keywords:  trac             |
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Changes (by verm):

 * keywords:   => trac
 * owner:   => verm
 * status:  new => accepted


Comment:

 Set Bayes karma from 15 to 3.  Hopefully this fixes it.

 We need to do some heavy training it seems.  I will leave this open until
 the fix is confirmed.

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Ticket URL: <http://trac.buildbot.net/ticket/3168#comment:2>
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