On Tue, Apr 21, 2015 at 11:34 AM, Simon <grem...@gmail.com> wrote: > > > 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! >
Just to check on this one.. so am i correct that you would set a restriction class for the inbound domain (say mailfrom.blockme.com), then you would set a access list for that "class"? e.g. within that class block if the recipient is cleanu...@client.com? Simon
