diff options
| author | Guilhem Moulin <guilhem@fripost.org> | 2016-05-18 19:25:20 +0200 |
|---|---|---|
| committer | Guilhem Moulin <guilhem@fripost.org> | 2016-05-18 21:13:46 +0200 |
| commit | 8fc53ecddfe875be30501a89fd24f226de7575d9 (patch) | |
| tree | 7412dfd08ec407fbd57bfb15f9fef16244cd100f /roles/lists/templates/etc | |
| parent | 00ef4cf0b280b6c9acefeae9065bec99540411aa (diff) | |
postfix: Update to recommended TLS settings.
Following Viktor Dukhovni's 2015-08-06 recommendation
http://article.gmane.org/gmane.mail.postfix.user/251935
(We're using stronger ciphers and protocols in our own infrastructure.)
Diffstat (limited to 'roles/lists/templates/etc')
| -rw-r--r-- | roles/lists/templates/etc/postfix/main.cf.j2 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/roles/lists/templates/etc/postfix/main.cf.j2 b/roles/lists/templates/etc/postfix/main.cf.j2 index f3ece49..025e8d9 100644 --- a/roles/lists/templates/etc/postfix/main.cf.j2 +++ b/roles/lists/templates/etc/postfix/main.cf.j2 @@ -39,40 +39,42 @@ alias_database = local_recipient_maps = message_size_limit = 0 recipient_delimiter = + # No relay: this server is inbound-only relay_transport = error:5.1.1 Relay unavailable default_transport = error:5.1.1 Transport unavailable relay_domains = sympa.$mydomain transport_maps = cdb:$config_directory/transport sympa_destination_recipient_limit = 1 # Don't rewrite remote headers local_header_rewrite_clients = relay_clientcerts = cdb:$config_directory/relay_clientcerts smtpd_tls_security_level = may +smtpd_tls_ciphers = high +smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1 smtpd_tls_exclude_ciphers = EXPORT, LOW, MEDIUM, aNULL, eNULL, DES, RC4, MD5 smtpd_tls_cert_file = /etc/postfix/ssl/{{ ansible_fqdn }}.pem smtpd_tls_key_file = /etc/postfix/ssl/{{ ansible_fqdn }}.key smtpd_tls_dh1024_param_file = /etc/ssl/dhparams.pem smtpd_tls_session_cache_database= 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 |