Re: DSN/HELO and %{s}

Stuart D. Gathman wrote:

> Should I change to return "postmaster(_at_)helo(_dot_)domain" instead
> of the empty string?
Yes.  %{s} is defined to be the <sender>, <sender> is defined
to be the "MAIL FROM" or "HELO" identity, and the "MAIL FROM"
identity is defined to be postmaster(_at_)helo(_dot_)domain for <>.  Bye.