I am using 2.10.1-6 RPM. On Thu, Jan 25, 2018 at 6:17 PM, Anvar Kuchkartaev <an...@anvartay.com> wrote:
> What version of postfix are you using? > > Anvar Kuchkartaev > an...@anvartay.com > *From: *Tech Gurus > *Sent: *jueves, 25 de enero de 2018 21:50 > *To: *postfix-users@postfix.org > *Subject: *Configure Postfix for High Volume > > Hello, > > I have single mail server that send relatively large amounts of emails at > least 3 times a day ranging from 15K to 50K each time .. > > 80% of emails are going to one domain owned by my company *(Domain1)*.. > The current mail flow does around 1K-1.2K per minute , this is CentOS 7 VM > ( 4 CPU/8GB Memory) running on SSD Datastore. > > Upon digging into logs, I found lots of postfix/anvil statistics DNS > lookup misses for *(Domain1)* , I made some changes which produced small > improvements (AVG/Minute went from 1K ~ 1.2K).. > > Any guidance is appreciated > > Thanks > > Jim > > *The changes below produced small improvements * > > - Created static transport for internal domain to forward email to local > "VIP" ,VIP RR to 8 servers behind , the 8 servers are the MX host for the > company owned domain. > - Changed default_destination_concurrency_limit to 100 and > default_destination_recipient_limit = 1500 > > >