diff options
Diffstat (limited to 'roles/IMAP/templates/etc')
| -rw-r--r-- | roles/IMAP/templates/etc/postfix/main.cf.j2 | 49 | ||||
| l--------- | roles/IMAP/templates/etc/postfix/relay_clientcerts.j2 | 1 |
2 files changed, 45 insertions, 5 deletions
diff --git a/roles/IMAP/templates/etc/postfix/main.cf.j2 b/roles/IMAP/templates/etc/postfix/main.cf.j2 index 46f64aa..40c8d32 100644 --- a/roles/IMAP/templates/etc/postfix/main.cf.j2 +++ b/roles/IMAP/templates/etc/postfix/main.cf.j2 @@ -28,11 +28,8 @@ multi_instance_enable = yes # This server is a Mail Delivery Agent mynetworks_style = host -inet_interfaces = 172.16.0.1 -{% if 'MX' in group_names %} - 127.0.0.1 -{% endif %} -inet_protocols = ipv4 +inet_interfaces = all + # No local delivery mydestination = @@ -64,3 +61,45 @@ recipient_canonical_maps = pcre:$config_directory/recipient_canonical.pcre local_header_rewrite_clients = # Tolerate occasional high latency smtpd_timeout = 1200s + + +relay_clientcerts = cdb:$config_directory/relay_clientcerts +smtpd_tls_security_level = may +smtpd_tls_cert_file = /etc/postfix/ssl/{{ ansible_fqdn }}.pem +smtpd_tls_key_file = /etc/postfix/ssl/{{ ansible_fqdn }}.key +smtpd_tls_session_cache_database= btree:$data_directory/smtpd_tls_session_cache +smtpd_tls_received_header = yes +smtpd_tls_ask_ccert = yes +smtpd_tls_session_cache_timeout = 3600s +smtpd_tls_fingerprint_digest = sha256 + + +strict_rfc821_envelopes = yes +smtpd_delay_reject = yes +disable_vrfy_command = yes + +smtpd_client_restrictions = + permit_mynetworks + permit_tls_clientcerts + # We are the only ones using this proxy, but if things go wrong we + # want to know why + defer + +smtpd_helo_required = yes +smtpd_helo_restrictions = + reject_invalid_helo_hostname + +smtpd_sender_restrictions = + reject_non_fqdn_sender + reject_unknown_sender_domain + +smtpd_recipient_restrictions = + # RFC requirements + reject_non_fqdn_recipient + reject_unknown_recipient_domain + permit_mynetworks + permit_tls_clientcerts + reject + +smtpd_data_restrictions = + reject_unauth_pipelining diff --git a/roles/IMAP/templates/etc/postfix/relay_clientcerts.j2 b/roles/IMAP/templates/etc/postfix/relay_clientcerts.j2 new file mode 120000 index 0000000..b375aa0 --- /dev/null +++ b/roles/IMAP/templates/etc/postfix/relay_clientcerts.j2 @@ -0,0 +1 @@ +../../../../out/templates/etc/postfix/relay_clientcerts.j2
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