Double .. in mail address

["David L. Potter" <potter@chebucto.ns.ca>]

Hello all...

> A copy of your message is being returned to you because it arrived with
> an illegal header according to the RFC822/976 protocol specification.
> If you do not recognize the source of the bad header, perhaps you should
> ask a Postmaster at your site.
>
> The following annotated headers illustrate where the error(s) occurred:
>
> Error in "To" header address:
>
>         partofname..moreofname@ns.sympatico.ca
>                    ^-expected word

Is this (big, bad TelCo) ISP giving out faulty email accounts or is
zmailer interpreting this wrong?

thanks

David Potter