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smtpd_banner = $myhostname ESMTP $mail_name
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2
# TLS parameters
smtpd_tls_cert_file = /etc/letsencrypt/live/mail.{{ domain }}/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/mail.{{ domain }}/privkey.pem
smtpd_tls_security_level = encrypt
smtp_tls_CApath=/etc/ssl/certs
smtp_tls_CAfile=/etc/ssl/certs/ca-certificates.crt
smtp_tls_security_level = encrypt
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
myhostname = {{ mail_domain }}
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = $mydomain
mydestination = $myhostname, $mydomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = ipv4
smtpd_tls_auth_only = yes
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
tls_preempt_cipherlist = yes
smtpd_tls_ciphers = high
smtpd_tls_mandatory_ciphers = high
smtp_tls_ciphers = high
smtp_tls_mandatory_ciphers = high
smtpd_tls_exclude_ciphers = aNULL, eNULL, EXP, LOW, MEDIUM, PSK, SRP, SHA1, kRSA, CAMELLIA, ARIA, DSS, RSA+AES, ADH, AECDH
smtp_tls_exclude_ciphers = aNULL, eNULL, EXP, LOW, MEDIUM, PSK, SRP, SHA1, kRSA, CAMELLIA, ARIA, DSS, RSA+AES, ADH, AECDH
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous, noplaintext
smtpd_sasl_tls_security_options = noanonymous
smtpd_helo_required = yes
smtpd_sender_login_maps = proxy:hash:/etc/postfix/login_maps
smtpd_helo_restrictions = reject_unknown_helo_hostname, reject_non_fqdn_helo_hostname
smtpd_sender_restrictions = reject_sender_login_mismatch, reject_non_fqdn_sender, reject_unknown_sender_domain
smtpd_recipient_restrictions = reject_non_fqdn_recipient, reject_unknown_recipient_domain, permit_sasl_authenticated, reject_unauth_destination, check_policy_service unix:private/postgrey, check_policy_service unix:private/policyd-spf, reject_rbl_client zen.spamhaus.org
smtpd_data_restrictions = reject_unauth_pipelining
disable_vrfy_command = yes
local_recipient_maps = proxy:hash:/etc/postfix/local_maps $alias_maps
home_mailbox = Mail/Inbox/
mailbox_command = /usr/lib/dovecot/deliver
header_checks = regexp:/etc/postfix/header_checks
body_checks = regexp:/etc/postfix/body_checks
postscreen_dnsbl_sites = zen.spamhaus.org
postscreen_dnsbl_action = enforce
postscreen_greet_action = enforce
policyd-spf_time_limit = 3600
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