I wonder wether there exists a plugin to filter those mails, i.e. bounce mails containing somewhere in the body a line like
Received: from mydomain.com ([some ip]) where "some ip" is *not* my mail hub?
I wonder wether there exists a plugin to filter those mails, i.e. bounce mails containing somewhere in the body a line like
Received: from mydomain.com ([some ip]) where "some ip" is *not* my mail hub?