Frank,
Here we have approx. 200K users with 4000 concurrent connections (90% POP3 users) All servers in virtual environment Vmware, supermicro servers and Netapp Metrocluster storage solutions (nfs storage with 10G ethernet network) POP3 sessions take betwen 40 and 300 milisecons at connect, auth and list. All accounts lives in LDAP, CentOS 5 and exim like a mta relay.
Regards
El 17-04-2012 4:54, Frank Bonnet escribió:
Hello
I need some feedbacks advices of experienced admins I will have to setup in few monthes an email system for approx 50K "intensives" users.
The only mandatory thing will be I must use HP proliant servers
The operating system will be FreeBSD or Linux
Thank you for any advices
-- Mauricio López Riffo Red Hat Certified Engineer 804006455319519 Administrador de Servicios Internet Área Ingeniería Gtd Internet S.A. http://www.grupogtd.com/ Moneda 920, Oficina 602 - Fono : +562 4139742