Merge pull request #165 from stonemaster/postfix-spam

Adapted Postfix configuration to block typical spam sending
This commit is contained in:
Thomas VIAL 2016-04-27 11:24:21 +02:00
commit 1a77cb77cc

View file

@ -24,10 +24,6 @@ smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
#smtp_tls_CAfile=
smtpd_tls_security_level = may
smtpd_use_tls=yes
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sender_restrictions = permit_mynetworks
smtp_tls_security_level = may
smtp_tls_loglevel = 1
tls_ssl_options = NO_COMPRESSION
@ -38,6 +34,17 @@ smtpd_tls_mandatory_ciphers = high
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_exclude_ciphers = aNULL, LOW, EXP, MEDIUM, ADH, AECDH, MD5, DSS, ECDSA, CAMELLIA128, 3DES, CAMELLIA256, RSA+AES, eNULL
# Settings to prevent SPAM early
smtpd_helo_required = yes
smtpd_delay_reject = yes
smtpd_helo_restrictions = permit_mynetworks, reject_invalid_helo_hostname, permit
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination,
reject_unauth_pipelining, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, reject_unknown_recipient_domain,
reject_rbl_client dnsbl.sorbs.net, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_unauth_pipelining
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unknown_sender_domain
# SASL
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = /var/spool/postfix/private/auth