Hello,
This is my main.cf file.
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no
# appending .domain is the MUA's job. append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h
readme_directory = no
# TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client.
# smtpd_milters = inet:localhost:10035 myhostname = My_Hostname mydomain = Fake_Domain.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = My_Hostname.Fake_Domain.com mydestination = My_Hostname, localhost.localdomain, localhost always_bcc = boss's_email_id smtp_sender_dependent_authentication = yes sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay_map # ('emailid [isp_smtp]:25' lines one below the other for all users) smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_password # ('emailid username:password' lines one below the other for all users) smtp_sasl_security_options = noanonymous relayhost = [smtp_of_isp]:25 smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/recipient_access, reject # ('emailid permit' lines one below the other for all recipients including customers,vendors,etc. No one outside this list can receive any mails from my server) mailbox_command = mailbox_size_limit = 51200000 recipient_delimiter = inet_interfaces = all inet_protocols = ipv4 mynetworks_style = subnet notify_classes = resource, software mynetworks = 192.168.1.0/24, 192.168.0.0/24, 127.0.0.0/8