Re: Defer mail instead of bounce

2018-06-30 Thread @lbutlr
On 28 Jun 2018, at 16:10, li...@mbchandler.net wrote: > I agree about the nameserver, but unfortunately I don't have a choice. I'm > required to use this one. Explain to the non-technical person mandating this, possibly using very small words, why the will result in lost mail. Your initial post

Re: Defer mail instead of bounce

2018-06-29 Thread Matus UHLAR - fantomas
On 28.06.18 17:10, li...@mbchandler.net wrote: I agree about the nameserver, but unfortunately I don't have a choice. I'm required to use this one. required how, or by whom? If you are required to use a broken server, you should explain it leads to providing broken mail service. I'm not sure

Re: Defer mail instead of bounce

2018-06-28 Thread Viktor Dukhovni
> On Jun 28, 2018, at 6:10 PM, li...@mbchandler.net wrote: > > I agree about the nameserver, but unfortunately I don't have a choice. I'm > required to use this one. > > I'm not as familiar with DNS as I should be, but is there a temporary error > code the nameserver could return instead, th

Re: Defer mail instead of bounce

2018-06-28 Thread lists
I agree about the nameserver, but unfortunately I don't have a choice. I'm required to use this one. I'm not as familiar with DNS as I should be, but is there a temporary error code the nameserver could return instead, that would cause Postfix to defer this mail? Another question. As far as

Re: Defer mail instead of bounce

2018-06-28 Thread Viktor Dukhovni
> On Jun 28, 2018, at 3:23 PM, li...@mbchandler.net wrote: > > I have email relays that relay/filter email between the internet and our > internal network. I must use the DNS servers we maintain and those servers > use a DNS blacklisting service. The problem I'm having is that when a > legit

Defer mail instead of bounce

2018-06-28 Thread lists
I have email relays that relay/filter email between the internet and our internal network. I must use the DNS servers we maintain and those servers use a DNS blacklisting service. The problem I'm having is that when a legitimate domain is blacklisted, I see log messages like the ones below and