The clean up has been completed for the affected accounts. As a result of the way in which files were modified any browser that visited a site that redirected will need to have it's cache cleared.
Instructions to clear the cache for various browsers are available here.
For specific details please contact firstname.lastname@example.org and provide your web hosting account username (if emailing from an address not associated with your account).
During the past 8 hours no email has been affected. This issue affected a number of web sites utilising WordPress so if you experience any broken links or display problems with your site please let us know.