CasperSecurity

Current Path : /home/uiet/iRedMail-1.5.0/samples/postfix/

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Current File : //home/uiet/iRedMail-1.5.0/samples/postfix/main.cf.postscreen

#
# Postscreen
#
postscreen_greet_action = drop
postscreen_blacklist_action = drop
postscreen_dnsbl_action = drop
postscreen_dnsbl_threshold = 2

# Attention:
#   - zen.spamhaus.org free tire has 3 limits
#     (https://www.spamhaus.org/organization/dnsblusage/):
#
#     1) Your use of the Spamhaus DNSBLs is non-commercial*, and
#     2) Your email traffic is less than 100,000 SMTP connections per day, and
#     3) Your DNSBL query volume is less than 300,000 queries per day.
#
#   - FAQ: "Your DNSBL blocks nothing at all!"
#     https://www.spamhaus.org/faq/section/DNSBL%20Usage#261
#
# It's strongly recommended to use a local DNS server for cache.
postscreen_dnsbl_sites =
    zen.spamhaus.org=127.0.0.[2..11]*3
    b.barracudacentral.org=127.0.0.2*2

postscreen_dnsbl_reply_map = texthash:PH_POSTSCREEN_FILE_DNSBL_REPLY
postscreen_access_list = permit_mynetworks cidr:PH_POSTSCREEN_FILE_ACCESS_CIDR

# Require Postfix-2.11+
#postscreen_dnsbl_whitelist_threshold = -2