Re: Will configuring a backup MX actually do me much good?

2019-11-21 Thread Dominic Raferd
On Thu, 21 Nov 2019 at 14:53, Chris Green wrote: > On Thu, Nov 21, 2019 at 01:00:24PM +, Dominic Raferd wrote: > >I use a VM in a different country with the same priority MX so that we > >should have effectively zero overall downtime. (The exceptions are > when > >I propagate a

Re: Will configuring a backup MX actually do me much good?

2019-11-21 Thread Chris Green
On Thu, Nov 21, 2019 at 01:04:45PM +, Gregory Heytings wrote: > > > > > Sending systems will automatically back off and retry at intervals (I > > have seen this happen when I have upgraded my home server in the past) > > so will a secondary/backup MX actually help at all? > > > > It's up

Re: Will configuring a backup MX actually do me much good?

2019-11-21 Thread Chris Green
On Thu, Nov 21, 2019 at 01:00:24PM +, Dominic Raferd wrote: >I use a VM in a different country with the same priority MX so that we >should have effectively zero overall downtime. (The exceptions are when >I propagate a broken configuration from one MTA to the other - oops.) >

Re: Will configuring a backup MX actually do me much good?

2019-11-21 Thread Gregory Heytings
Sending systems will automatically back off and retry at intervals (I have seen this happen when I have upgraded my home server in the past) so will a secondary/backup MX actually help at all? It's up to you to decide what your priorities are. It's true that sending systems

Re: Will configuring a backup MX actually do me much good?

2019-11-21 Thread Dominic Raferd
On Thu, 21 Nov 2019 at 12:05, Chris Green wrote: > I run postfix on an 'always on' machine at home and have the MX record > for my domain pointing at this machine. > > Obviously there are occasional downtimes, for example this morning we > had a 3 hour power failure and I also need to upgrade

Will configuring a backup MX actually do me much good?

2019-11-21 Thread Chris Green
I run postfix on an 'always on' machine at home and have the MX record for my domain pointing at this machine. Obviously there are occasional downtimes, for example this morning we had a 3 hour power failure and I also need to upgrade the machine occasionally. Now I could of course overcome some