Install ISPConfig sur Debian

A faire, d'après "The perfect setup - ISPConfig on Debian Etch"

A ajouter : renforcement de postfix. Dans main.cf

smtpd_helo_required     = yes
strict_rfc821_envelopes = yes
disable_vrfy_command = yes
unknown_address_reject_code  = 554
unknown_hostname_reject_code = 554
unknown_client_reject_code   = 554
smtpd_helo_restrictions = permit_mynetworks,
                         reject_invalid_hostname,
                         regexp:/etc/postfix/helo.regexp, permit

le fichier /etc/postfix/helo.regexp a la forme (mettre les bons domaines et IP) :

^subdomain\.host\.com$/           550 Don't use my own hostname
/^xxx\.yyy\.zzz\.xxx$/             550 Don't use my own IP address
/^\[xxx\.yyy\.zzz\.xxx\]$/         550 Don't use my own IP address
/^[0-9.]+$/                        550 Your software is not RFC 2821 compliant
/^[0-9]+(\.[0-9]+){3}$/            550 Your software is not RFC 2821 compliant

Toujours dans main.cf, ajouter à smtpd_recipient_restrictions

reject_invalid_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,

A ajouter : install de postgrey (Greylist sur Postfix)

aptitude install postgrey

Ajouter dans /etc/postfix/main.cf, à la fin de smtpd_recipient_restrictions :

 check_policy_service inet:127.0.0.1:60000