root@mycomputernname.mydomain

# See man 5 aliases for format
postmaster:    root
root:          srvmon@mydomain.com

newaliases

smtp_generic_maps = hash:/etc/postfix/generic

root srvmon@mydomain.com

postmap /etc/postfix/generic

smtpd_banner = $myhostname ESMTP $mail_name
biff = no
append_dot_mydomain = no
readme_directory = no
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
disable_vrfy_command=yes

smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_tls_note_starttls_offer = yes
tls_random_source = dev:/dev/urandom
smtp_use_tls=yes

myhostname = mydomain.com

myorigin = $myhostname
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = localhost
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
relayhost = 1xx.xx.xx.xxx:25
smtp_generic_maps = hash:/etc/postfix/generic