On Mon, Apr 20, 2015 at 3:51 PM, Noel Jones <njo...@megan.vbhcs.org> wrote:
On 4/19/2015 7:03 PM, Simon wrote: > > Hi There, > > > > We are using postfix 2.7.1 on debian. Is there a simple way to block > > emails from a domain or From address only to a certain to address? > > So this would match both from and to in the header to then block the > > email. e.g. > > > > From: blockt...@domain.com <mailto:blockt...@domain.com> > > To: cli...@theirdomain.com <mailto:cli...@theirdomain.com> > > > > Only when blockt...@domain.com <mailto:blockt...@domain.com> sent an > > email to cli...@theirdomain.com <mailto:cli...@theirdomain.com> > > would it get blocked, otherwise all other emails from > > blockt...@domain.com <mailto:blockt...@domain.com> would be sent to > > any other to address? > > You can use a restriction class to block mail for a specific > envelope sender/recipient combination. The envelope addresses are > what are logged by postfix, and may be different than what is in the > From: and To: headers. > http://www.postfix.org/RESTRICTION_CLASS_README.html > > If you must use the addresses listed in message headers, you will > need a content filter such as SpamAssassin. > Thanks for the reply here - I think that envelope sender/recipient combination would be fine :) I get the basic idea of the the restriction classes, but finding it difficult to figure out how to combine to get the result we need. Would you be able give me a head start on this one? It would be much appreciated! Thanks Simon
