On Mon, 09 Aug 2010 16:29:21 +0200, Nicolas Michel <nicolas.mic...@lemail.be> wrote: > Hello, > > I want to know if there is a way to reject connections from host not > listed in the MX records of the domain it claims to be. > > For example : a host with IP WWW.XXX.YYY.ZZZ try so send a mail to my > domain (we'll call it mydomain.be) and claims that the sender is > u...@otherdomain.com > > If WWW.XXX.YYY.ZZZ is not a MX server of otherdomain.com my mail server > will reject the connection.
This is not exactly what you want but it comes close http://www.rfc-ignorant.org/policy-bogusmx.php > > If it is possible, will it cause some troubles? Will I loose some > legitimate mails? Because of misconfiguration or an other reason? > > Thank you. > nm
