Don't think it's related.
Back in Feb 2009 the forum soft had other problems with very frequent occurances of two errors.
502/504 gateway errors.
The email ban is only when you register.
Once in you should be able to enter also a banned emaildomain in your Profile.
When you requested the new password, did you recieve a confirmation email with an activation link?
You should have. Usually that mail is to be found in the SPAM box.
The activation link is not sensing which email it comes from.
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