Re: Postfix mailq priority

2020-06-16 Thread Wietse Venema
vi...@vheuser.com: > On 2020/06/16 13:42 PM, Wietse Venema wrote: > > vi...@vheuser.com: > >> Obviously I am above my pay grade here, > >> but can this? "Adding some artificial 'cost' value" currently be done? > > No. There is an existing solution that works for multi-recipient > > list mail. That

Re: Postfix mailq priority

2020-06-16 Thread vi...@vheuser.com
On 2020/06/16 13:42 PM, Wietse Venema wrote: vi...@vheuser.com: Obviously I am above my pay grade here, but can this? "Adding some artificial 'cost' value" currently be done? No. There is an existing solution that works for multi-recipient list mail. That solution does not work for single-recip

Re: Postfix mailq priority

2020-06-16 Thread Wietse Venema
vi...@vheuser.com: > Obviously I am above my pay grade here, > but can this? "Adding some artificial 'cost' value" currently be done? No. There is an existing solution that works for multi-recipient list mail. That solution does not work for single-recipient list mail, which we suspect is your use

Re: Postfix mailq priority

2020-06-16 Thread Viktor Dukhovni
On Tue, Jun 16, 2020 at 01:25:41PM -0400, Wietse Venema wrote: > > I will look up how to create transports and assign mail to them. > > But it appears that there would be no way to redirect what is > > already in the queue. If you already have a lot of messages in the "active" queue, then those a

Re: Postfix mailq priority

2020-06-16 Thread Wietse Venema
vi...@vheuser.com: > Postfix steadily delivers, but would like to de-prioritize the list emails > so regular traffic is not delayed. That's what we're talking about - making that automatic so you don't have to babysit Postfix. Otherwise, we'd be wasting everyone's time. > I will look up how to c

Re: Postfix mailq priority

2020-06-16 Thread vi...@vheuser.com
On 2020/06/16 10:39 AM, Wietse Venema wrote: Viktor Dukhovni: On Mon, Jun 15, 2020 at 08:25:31PM -0500, Noel Jones wrote: Postfix has only one queue, and concurrency and process count is per-destination, not based on where the mail came from. Consider using a separate postfix instance for d

Re: Postfix mailq priority

2020-06-16 Thread vi...@vheuser.com
On 2020/06/16 11:32 AM, Viktor Dukhovni wrote: On Jun 16, 2020, at 12:39 PM, Wietse Venema wrote: - Adding layer of sender-based round-robin selection. Not sure if that would explode at large scale. When the input mix approximates steady-state, FIFO is essentially optimal, with each type of

Re: Postfix mailq priority

2020-06-16 Thread Wietse Venema
Viktor Dukhovni: > > On Jun 16, 2020, at 12:39 PM, Wietse Venema wrote: > > > > - Adding layer of sender-based round-robin selection. Not sure if > > that would explode at large scale. > > When the input mix approximates steady-state, FIFO is essentially optimal, > with each type of message gett

Re: Postfix mailq priority

2020-06-16 Thread Viktor Dukhovni
> On Jun 16, 2020, at 12:39 PM, Wietse Venema wrote: > > - Adding layer of sender-based round-robin selection. Not sure if > that would explode at large scale. When the input mix approximates steady-state, FIFO is essentially optimal, with each type of message getting its average share of the ou

Re: Postfix mailq priority

2020-06-16 Thread Wietse Venema
Viktor Dukhovni: > On Mon, Jun 15, 2020 at 08:25:31PM -0500, Noel Jones wrote: > > > Postfix has only one queue, and concurrency and process count is > > per-destination, not based on where the mail came from. > > > > Consider using a separate postfix instance for delivering mail list > > message

Re: Postfix mailq priority

2020-06-15 Thread Viktor Dukhovni
On Mon, Jun 15, 2020 at 08:25:31PM -0500, Noel Jones wrote: > Postfix has only one queue, and concurrency and process count is > per-destination, not based on where the mail came from. > > Consider using a separate postfix instance for delivering mail list > messages to prevent them from interfer

Re: Postfix mailq priority

2020-06-15 Thread Noel Jones
> On Jun 15, 2020, at 7:13 PM, "vi...@vheuser.com" wrote: > > The problem is periodic, completely irregular, mailing list loads. > It would be nice to lower the list priority > so that regular mail got delivered first. > Postfix has only one queue, and concurrency and process count is per-de

Re: Postfix mailq priority

2020-06-15 Thread vi...@vheuser.com
On 2020/06/15 19:01 PM, Viktor Dukhovni wrote: On Mon, Jun 15, 2020 at 04:50:16PM -0400, vi...@vheuser.com wrote: Is there any way to change the order of delivery of items in the mail queue? Not as such, but see below. Is there any way of changing priority of mail when adding to the queue?

Re: Postfix mailq priority

2020-06-15 Thread Viktor Dukhovni
On Mon, Jun 15, 2020 at 04:50:16PM -0400, vi...@vheuser.com wrote: > Is there any way to change the order of delivery of items in the mail queue? Not as such, but see below. > Is there any way of changing priority of mail when adding to the queue? Not as such, but: - Mail delivery within a

Postfix mailq priority

2020-06-15 Thread vi...@vheuser.com
Is there any way to change the order of delivery of items in the mail queue? Is there any way of changing priority of mail when adding to the queue? Searched the docs and found nqmgr but not this specific question. Thank you.