Hi All, Waiting for your responses.
Rgds, Santosh On Tue, Jun 12, 2012 at 3:41 PM, santosh malavade <santoshmalav...@gmail.com > wrote: > Thanks Stan and Pavel for your responses. > > > On Tue, Jun 12, 2012 at 2:39 PM, Stan Hoeppner <s...@hardwarefreak.com>wrote: > >> On 6/12/2012 1:54 AM, santosh malavade wrote: >> >> > I am in the process of installing mailgateway server. >> > Which option of installation should I use ? Installing from source >> code or >> > precompiled packages. >> >> First, what message load are you designing this gateway to handle? One >> msg/sec? Ten msgs/sec? How many downstream mailboxes? Do you plan to >> use a local address table, remote LDAP, RAV? >> > > This server will be accepting messages for nine domains. During peak > hours 25msg/sec. 5000 Users. Yes, relay recipient maps will point to > local hash file. The internal servers will use LDAP for getting the > mailbox location. I did not understand what is RAV means. Pls. elaborate. > > >> >> > The red hat currently provides package >> > postfix-2.6.6-2.2.el6_1:2.x86_64< >> https://rhn.redhat.com/rhn/software/packages/details/Overview.do?pid=633415 >> > >> >> In your case I'd recommend sticking with the RHEL Postfix package unless >> there is a specific feature you know you need that's only available in a >> later release. >> >> > OS : RHEL 6 >> > RAM : 8 GB >> > > It is always mentioned to move to the latest version of the software, > considering the features the latest release provides. I wanted to > understand, when the current stable release of POSTFIX will be provided by > RHEL as package. > > > >> >> 8GB RAM is overkill for an smtp gateway. 1GB is usually more than >> sufficient. More important is disk IOPS capability. >> > > I was considering 4GB. However, this is what is given to me. :-) We > may consider awstat on the same machine. > Disk IOPS - need to understand this. I will spend some time on it. > > >> >> > Hard Disk : 500 GB >> >> And it appears you have a 7.2k RPM single disk. This should be >> sufficient if your message rate is ~30/sec or less. And 500GB is far >> more than sufficient for your spool. 10GB of spool space is usually far >> more than sufficient for a light duty gateway. I'd recommend adding >> another one and mirror the two for redundancy. >> >> > are we saying /var should be 10 GB and RAID configuration. > > > >> > CPU : Intel Xenon 2.4 GHz >> >> This should be fine. An smtp spool is disk bound, not CPU bound. In >> the absence of horribly misconfigured content filtering software this >> CPU should be able to handle hundreds of msgs/sec without breaking a >> sweat. >> > > we will not be using content filtering > > >> >> > How do I go about partitioning ? Will there be any benefits of having >> > Logical Partitions ? Will it have impact on the performance ? >> >> Are you referring to LVM? It will gain you nothing on an SMTP gateway >> and simply increase complexity needlessly. The RHEL default partition >> scheme should be fine, unless it gives you less than 20GB for /var. >> >> > I have recently come across a vendor who was insisting non LVM based > configuration siting performance reasons. Hence, I thought checking it > with the list. I personally feel the LVM provides the flexibility of > resizing. > > > Is there any detailed documentation ? > > > Rgds, > > > Santosh > > > >> -- >> Stan >> > >
