postfix

Hello, I have proxmox 3 installed on a server with about 10 VMs. So far i've installed postfix on all of the VMs. Wouldn't it be better to install postfix only on the host and have the VMs send email via the host? Or is it better to create on VM with postfix running and all the other VM use it...

Hi, after i upgraded the host system (proxmox 3 -> 4) i am havin problems with my email archive solution. I already asked for help at the specific forum. It seems like this is an container problem instead of a software problem. I have my groupware, which is Zimbra installed on the same machine...