After extracting domain part just use DNS to check if there is such domain, and
it have MX record. Very robust, simple, fast.
Configurable (can be disabled by default).
Original issue reported on code.google.com by witold.b...@gmail.com on 30 Jun 2010 at 1:31
Original issue reported on code.google.com by
witold.b...@gmail.com
on 30 Jun 2010 at 1:31