Re: Can anyone expain this difference between almost identical postfix installations

2017-02-19 Thread Chris Green
> > > the same, etc. > > > > If you don't control the relayhost, talk to the admin there. > > OK, thanks, that's what I'll do. > As I suspect the problem is more general than I originally thought I probably need some rather more non-postfix specific E-Mail help. Can anyone suggest where I

Re: Can anyone expain this difference between almost identical postfix installations

2017-02-19 Thread Chris Green
On Sat, Feb 18, 2017 at 12:06:49PM -0600, /dev/rob0 wrote: > On Sat, Feb 18, 2017 at 05:43:03PM +, Chris Green wrote: > > I am trying to diagnose why messages from on system fail to arrive > > whereas identical messages from another similar system arrive > > successfully. > > > > Both systems

Re: Can anyone expain this difference between almost identical postfix installations

2017-02-18 Thread /dev/rob0
On Sat, Feb 18, 2017 at 05:43:03PM +, Chris Green wrote: > I am trying to diagnose why messages from on system fail to arrive > whereas identical messages from another similar system arrive > successfully. > > Both systems are single board computers running postfix 2.9.6 under > Debian. The

Can anyone expain this difference between almost identical postfix installations

2017-02-18 Thread Chris Green
I am trying to diagnose why messages from on system fail to arrive whereas identical messages from another similar system arrive successfully. Both systems are single board computers running postfix 2.9.6 under Debian. The main.cf on both systems is identical. Both systems are connecting to the