Arf, the delay to receive my mail is too long. I don't understand why. For example, when I test mail from different server, the delay is near 48h ... :/
Do you want new error, warn and mail logs from my mail server ?
4 virtual machines with Debian Lenny updated on proxmox (openvz) with ISPConfig 18.104.22.168
ns1 : http(s), ftp(s), DNS Master, ISPConfig
sql : MySQL database users
mail : All mail system
ns2 : DNS Slave