postfix

# This is main.cf, the only file I need to noodle with.

# Do not change these directory settings - they are critical to Postfix
# operation.
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix
program_directory = /usr/lib/postfix
setgid_group = postdrop

# appending .domain is the MUA's job.
append_dot_mydomain = no

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# Uncomment the next line to generate delayed mail warnings
#delay_warning_time = 4h

# This is useful - a catchall to which all mail goes if there appears
# to be no recipient.
luser_relay = local@email-address

myhostname = local_hostname
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = local_hostname, localhost
relayhost = smtp_address_of_isp
mynetworks = 127.0.0.0/8
mailbox_command = /usr/bin/procmail
mailbox_size_limit = 0
recipient_delimiter = +