Re: split up mail

2017-05-19 Thread richard lucassen
On Fri, 19 May 2017 10:53:56 -0400 Viktor Dukhovni wrote: > > So, according to you I should add: > > > > smtp_destination_concurrency_limit = 1 > > That's too fragile, at least without further tuning. With this, > when any connection fails the destination concurrency is reduced > to 0, and the

Re: split up mail

2017-05-19 Thread Viktor Dukhovni
> On May 19, 2017, at 10:02 AM, richard lucassen > wrote: > > Ah, that might be the issue then, when I leave these parameters > set to their defaults, it would mean that the maximum Postfix will send > at once is 20 mails containing 50 recipients? > > So, according to you I should add: > > s

Re: split up mail

2017-05-19 Thread marco
My setup was default_destination_concurrency_limit = 1 default_destination_recipient_limit = 25 I never had major problems with this, it was only a little bit slow with gmail, yahoo and other big mail accounts providers, anyway never a real issue. This setup is probably not perfect if you ha

Re: split up mail

2017-05-19 Thread richard lucassen
On Fri, 19 May 2017 15:52:05 +0200 marco wrote: > > So if I understand the docs correctly, setting this parameter to > > e.g.default_destination_concurrency_limit = 1 25 has the following > > result: > > > > 1 message sent to 100 rcpt's -> postfix -> 4 messages to 25 rcpt's > > > > Note: 100 rcpt

Re: split up mail

2017-05-19 Thread marco
Il 19. 05. 17 15:27, richard lucassen ha scritto: On Fri, 19 May 2017 07:39:37 -0400 (EDT) wie...@porcupine.org (Wietse Venema) wrote: Searching a bit I found this setting: smtp_destination_recipient_limit This defaults to 50. Is this the right parameter to adjust? Maybe. In the fight agai

Re: split up mail

2017-05-19 Thread richard lucassen
On Fri, 19 May 2017 07:39:37 -0400 (EDT) wie...@porcupine.org (Wietse Venema) wrote: > > Searching a bit I found this setting: > > > > smtp_destination_recipient_limit > > > > This defaults to 50. Is this the right parameter to adjust? > > Maybe. In the fight against spam, mail server operators

Re: split up mail

2017-05-19 Thread marco
Hello. I have been supporting for years no-profit organizations, that have been sending a number of mails to 1 and more recipients at the same time. After similar initial problems the solution never giving any major issue was *default_destination_concurrency_limit = 1* *default_destinatio

Re: split up mail

2017-05-19 Thread Wietse Venema
richard lucassen: > Hello list, > > For a few reasons I use an outgoing postfix as smarthost. The source > mailserver is an exchange. Before the postfix server was in use, > sending mail to a bunch of recipients at a domain which is hosted by > outlook.com was no problem. When the mail passes thro

split up mail

2017-05-19 Thread richard lucassen
Hello list, For a few reasons I use an outgoing postfix as smarthost. The source mailserver is an exchange. Before the postfix server was in use, sending mail to a bunch of recipients at a domain which is hosted by outlook.com was no problem. When the mail passes through postfix, mail to many reci