gishaust wrote:
hi everyone,
I have been working on putting postfix email server on unbuntu 8.04
server and after a very steep learn curve think I am ready to go online.
But I don't know if it is secure so below is what i have done. I need to
know if I have missed anything. So does anyone have anything I really
need to look out for.
I have created a virtual email server with the following programs
ubuntu server, dovecot, mysql backend,Postfix <http://www.postfix.org/>,
Apache, <http://www.apache.org/> PHP, <http://www.php.net/>
Postfixadmin, <http://high5.net/postfixadmin/> Squirrelmail,
<http://www.squirrelmail.org/> Amavisd-new,
<http://www.ijs.si/software/amavisd/> Spamassassin.
<http://spamassassin.apache.org/>
I don't see clamav. And as Sahild said, all this stuff needs to be
secured. make sure to read about internet security. (start by
configuring iptables to only allow access to ports that need to be open,
and only for the addresses that need to access them).
my main.cf looks like this,
myhostname = mta
no, use an fqdn hostname. set it manually:
myhostname = mta.rbc.com
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = mta.rbc.com, mta, localhost.localdomain, localhost
remove "mta" from this list.
relayhost =
This is the default. remove it.
mynetworks = 127.0.0.0/8, 192.168.1.2/24
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
# Virtual Mailbox Domain Settings
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_mailbox_limit = 51200000
virtual_minimum_uid = 5000
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
virtual_mailbox_base = /home/vmail
virtual_transport = dovecot
# Additional for quota support
virtual_create_maildirsize = yes
virtual_mailbox_extended = yes
virtual_mailbox_limit_maps =
mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = Sorry, the your maildir has overdrawn
your diskspace quota, please free up some of spaces of your mailbox try
again.
virtual_overquota_bounce = yes
$ postconf virtual_mailbox_limit_maps
postconf: warning: virtual_mailbox_limit_maps: unknown parameter
The VDA patch is not supported. use at your own risks.
dovecot_destination_recipient_limit = 1
content_filter = smtp-amavis:[127.0.0.1]:10024
