Dear Peter and others,
>> I get quite a few such spam emails and not all are caught by RBLs. From
>> what I understand apostrophes are not allowed in email addresses? Thanks
>> for advice.
>
> You understand wrongly. They are allowed.
OK, then the question is cancelled. I have not realized it because prior
to receiving it as spam I have never met anyone using an email address
with apostrophes.
