Postfix

Vorarbeiten

• Domain einrichten, z.B. "dromedar.hamatoma.de"
• DNS-PTR-Record der IP-Adresse auf dromedar.hamatoma.de setzen
• Hostname auf "dromedar.hamatoma.de" setzen

Installation

apt install postfix
# "Internet-Site" wählen

Konfiguration

...
smtpd_recipient_restrictions = reject_invalid_hostname,
        reject_unknown_recipient_domain,
        reject_unauth_destination,
        reject_rbl_client sbl.spamhaus.org,
        permit

smtpd_helo_restrictions = reject_invalid_helo_hostname,
        reject_non_fqdn_helo_hostname,
        reject_unknown_helo_hostname

smtpd_client_restrictions = reject_rbl_client dnsbl.sorbs.net
virtual_alias_maps = hash:/etc/postfix/virtual
virtual_alias_domains = f-r-e-i.de

# Format maildir (statt mailbox):
home_mailbox = Maildir/
virtual_uid_maps = static:150
virtual_gid_maps = static:150
virtual_mailbox_maps    = hash:/etc/postfix/vmaps