[CentOS] Planning Mail Server (with low resources)

[Robin Mordasiewicz]

On Tue, 6 Dec 2005, Aleksandar Milivojevic wrote:

> Chris Mauritz wrote:
>
>> I'd suggest a gig of RAM and a gig of swap.  IDE disks are also cheap so 
>> it might be better to upgrade it to something like a 300 or 400gig drive 
>> now than to wait until you run out of space in the very near future.
>
> Speaking of future disk expansions.  It might be smart move to place all file 
> systems (or at least /var/spool/imap) under LVM.  That way he can simply add 
> new disks into volume group, assign additional space to logical volume where 
> /var/spool/imap file system resides, and resize file system to the new size 
> of logical volume.  The only downtime would be to physically attach new 
> disk(s).  Everything after that can be performed while the system is up and 
> running (and users are using it).

I agree. I would use openfiler and have two front end servers mounting the 
disk over NFS. This means you will have to run courier imap.

It is much easier to work with a cluster of NFS mail servers rather than 
dealing with the complexity of a murder of cyrus servers.