[pmwiki-devel] MailForm -> EMailForm

Patrick R. Michaud pmichaud at pobox.com
Thu Aug 9 14:30:07 CDT 2007

On Thu, Aug 09, 2007 at 09:18:42PM +0200, Dominique Faure wrote:
> On 8/9/07, Patrick R. Michaud <pmichaud at pobox.com> wrote:
> > On Thu, Aug 09, 2007 at 02:12:45PM -0400, Ben Wilson wrote:
> > > IIRC, there was one feature of the address verification that is either
> > > not supported by earlier forms of PHP or did not play well with Win32
> > > (or was that GMA that had the problem? I think each had one of the
> > > problems.)
> >
> > What sort of address verification is needed?  Do we just want to
> > verify that a given domain is a valid domain, or...?
> ...and has a working mailer registered, like in:
> $email_domain = explode("@",$email);
> if (!checkdnsrr($email_domain[1],"MX")) die($errormsg);

Are we checking the domain of the sender address, the recipient
address, or both...?

And I'm not entirely clear what (security) purpose is served
here by checking the domain for a valid MX record -- surely
a spammer will have no problem picking a domain for which
this would succeed...?


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