Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Wietse Venema
Viktor Dukhovni: > On Sun, Mar 24, 2019 at 09:00:24PM +, Nick Howitt wrote: > > [ Please avoid pasting "non-breaking space" characters into > your email. It is tedious to have to convert these to ASCII. ] > > > The header is below (x headers and DKIM removed): > > > > Return-Path: >

Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Viktor Dukhovni
On Sun, Mar 24, 2019 at 10:28:27PM +, Nick Howitt wrote: > >> Received: from hz.cn (unknown [220.191.208.116]) > >> by howitts.co.uk (Postfix) with ESMTP id 6614E401361E > >> for ; Sun, 24 Mar 2019 10:09:30 + > >> (GMT) > > > > The "unknown" means that either: > >

Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Nick Howitt
On 24/03/2019 22:13, Viktor Dukhovni wrote: On Sun, Mar 24, 2019 at 09:00:24PM +, Nick Howitt wrote: [ Please avoid pasting "non-breaking space" characters into your email. It is tedious to have to convert these to ASCII. ] The header is below (x headers and DKIM removed): R

Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Viktor Dukhovni
On Sun, Mar 24, 2019 at 09:00:24PM +, Nick Howitt wrote: [ Please avoid pasting "non-breaking space" characters into your email. It is tedious to have to convert these to ASCII. ] > The header is below (x headers and DKIM removed): > > Return-Path: > Received: from hz.cn (unknow

Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Nick Howitt
On 24/03/2019 21:53, Wietse Venema wrote: Nick Howitt: I have the follosing restrictions in main.cf: smtpd_client_restrictions = permit_mynetworks, reject_unknown_reverse_client_hostname What is the output from "postconf mynetworks"? If the client matches that, then "permit_mynet

Re: reject_unknown_reverse_client_hostname query

2019-03-24 Thread Wietse Venema
Nick Howitt: > I have the follosing restrictions in main.cf: > > smtpd_client_restrictions = permit_mynetworks, > reject_unknown_reverse_client_hostname What is the output from "postconf mynetworks"? If the client matches that, then "permit_mynetworks" will override reject_unknown_revers

reject_unknown_reverse_client_hostname query

2019-03-24 Thread Nick Howitt
I have the follosing restrictions in main.cf: smtpd_client_restrictions = permit_mynetworks, reject_unknown_reverse_client_hostname smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipie