Untitled

apt-get install postfix

 

dpkg-reconfigure postfix

 

General type of mail configuration: Internet Site

NONE doesn't appear to be requested in current config

System mail name: smtp.eagleman.net  

Root and postmaster mail recipient: <admin_user_name>  Other destinations for mail: server1.example.com, example.com, localhost.example.com, localhost

Force synchronous updates on mail queue?: No

Local networks: 127.0.0.0/8

Yes doesn't appear to be requested in current config

Mailbox size limit (bytes): 0

Local address extension character: +

Internet protocols to use: all

sudo postconf -e 'home_mailbox = Maildir/'

 

sudo postconf -e 'mailbox_command ='

 

 

sudo postconf -e 'smtpd_sasl_local_domain ='

sudo postconf -e 'smtpd_sasl_auth_enable = yes'

sudo postconf -e 'smtpd_sasl_security_options = noanonymous'

sudo postconf -e 'broken_sasl_auth_clients = yes'

sudo postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'

sudo postconf -e 'inet_interfaces = all'

 

 

 

vi /etc/postfix/sasl/smtpd.conf

pwcheck_method: saslauthd

mech_list: plain login

 

 

touch smtpd.key

chmod 600 smtpd.key

openssl genrsa 1024 > smtpd.key

openssl req -new -key smtpd.key -x509 -days 3650 -out smtpd.crt # has prompts

openssl req -new -x509 -extensions v3_ca -keyout cakey.pem -out cacert.pem -days 3650 # has prompts

sudo mv smtpd.key /etc/ssl/private/

sudo mv smtpd.crt /etc/ssl/certs/

sudo mv cakey.pem /etc/ssl/private/

sudo mv cacert.pem /etc/ssl/certs/

 

sudo postconf -e 'smtp_tls_security_level = may'

sudo postconf -e 'smtpd_tls_security_level = may'

sudo postconf -e 'smtpd_tls_auth_only = no'

sudo postconf -e 'smtp_tls_note_starttls_offer = yes'

sudo postconf -e 'smtpd_tls_key_file = /etc/ssl/private/smtpd.key'

sudo postconf -e 'smtpd_tls_cert_file = /etc/ssl/certs/smtpd.crt'

sudo postconf -e 'smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem'

sudo postconf -e 'smtpd_tls_loglevel = 1'

sudo postconf -e 'smtpd_tls_received_header = yes'

sudo postconf -e 'smtpd_tls_session_cache_timeout = 3600s'

sudo postconf -e 'tls_random_source = dev:/dev/urandom'

sudo postconf -e 'myhostname = server1.example.com' # remember to change this to yours

 

/etc/init.d/postfix restart