I had the same problem today -- I changed my email address and sent a new confirmation code and it arrived right away.

Esme Cowles <[log in to unmask]>

"They extend copyrights perpetually. They don't get how that in itself is a
 form of theft." -- Lawrence Lessig, Free Culture

On 02/6/2013, at 5:24 PM, Robert Haschart <[log in to unmask]> wrote:

> I have tried editing the Code4lib wiki several times, but keep getting a you have not confirmed your e-mail address message.
> I then go to the Preferences page and try to do so.  I am told that a  confirmation code is being mailed to me, but no mail ever seems to arrive.
> Does anybody have any suggestions?
> -Bob Haschart