@JimReid Just got this bounce from your own server - I suspect because my Static IP doesn’t have a rDNS record. I’ve seen this before. But as Sky Broadband isn’t interested in sorting a rDNS record for me… I just have to live with it.
This <5751bee9.skybroadband.com <http://5751bee9.skybroadband.com/>[87.81.190.233]>: is also me - chalmers.com.au 87.81.190.233. I don’t think there is a work around either. ================ This is the mail system at host zeus.chalmers.com.au <http://zeus.chalmers.com.au/>. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <j...@rfc1035.com <mailto:j...@rfc1035.com>>: host mailhost.rfc1035.com <http://mailhost.rfc1035.com/>[93.186.33.42] said: 550 5.7.1 <5751bee9.skybroadband.com <http://5751bee9.skybroadband.com/>[87.81.190.233]>: Client host rejected: Not today. (in reply to RCPT TO command) Reporting-MTA: dns; zeus.chalmers.com.au <http://zeus.chalmers.com.au/> X-Postfix-Queue-ID: EFDE125CB3F4 X-Postfix-Sender: rfc822; rob...@chalmers.com.au <mailto:rob...@chalmers.com.au> Arrival-Date: Sat, 5 Mar 2016 17:01:05 +0000 (GMT) Final-Recipient: rfc822; j...@rfc1035.com <mailto:j...@rfc1035.com> Original-Recipient: rfc822;j...@rfc1035.com <mailto:j...@rfc1035.com> Action: failed Status: 5.7.1 Remote-MTA: dns; mailhost.rfc1035.com <http://mailhost.rfc1035.com/> Diagnostic-Code: smtp; 550 5.7.1 <5751bee9.skybroadband.com <http://5751bee9.skybroadband.com/>[87.81.190.233]>: Client host rejected: Not today. =============== > On 5 Mar 2016, at 16:37, Jim Reid <j...@rfc1035.com> wrote: > > >> On 5 Mar 2016, at 15:38, Robert Chalmers <rob...@chalmers.com.au> wrote: >> >> Also, I can see that pfctl -e turns it on - enables it, but I can’t see how >> that is put in place automatically. On re boot, it’s once again disabled, >> and pf is not working. Even though the plist is loading. > > Did you tell the OS to switch on the firewall? This is one of the > configuration options under Security & Privacy in System Preferences. > > If the firewall is disabled, I think there’s a setting somewhere deep in > MacOSX which means nothing happens whenever /etc/pf.conf gets loaded. Which > seems counter-intuitive: why load pf rulesets into the kernel if it's not > going to use them? > > Note that the MacOSX firewall is more than just pf. It can block or permit > incoming and outgoing traffic on a per-application basis. Or restrict that to > apps that have Apple-approved certificates. That extra granularity might be a > lot of hassle, so a boot-time script which does a “pfctl -e” could be the > path of least resistance. > > hth > Robert Chalmers rob...@chalmers.com <mailto:rob...@chalmers.com>.au Quantum Radio: http://tinyurl.com/lwwddov Mac mini 6.2 - 2012, Intel Core i7,2.3 GHz, Memory:16 GB. El-Capitan 10.11. XCode 7.2.1 2TB: Drive 0:HGST HTS721010A9E630. Upper bay. Drive 1:ST1000LM024 HN-M101MBB. Lower Bay
