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481 lines
17 KiB
481 lines
17 KiB
######################################################################
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# #
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# Exim configuration file for Hestia Control Panel #
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# #
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######################################################################
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#SPAMASSASSIN = yes
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#SPAM_SCORE = 50
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#SPAM_REJECT_SCORE = 100
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#CLAMD = yes
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smtp_banner = $smtp_active_hostname
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smtp_active_hostname = ${lookup dnsdb{>: defer_never,ptr=$interface_address}{${listextract{1}{$value}}}{$primary_hostname}}
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add_environment = <; PATH=/bin:/usr/bin
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keep_environment =
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disable_ipv6 = true
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smtputf8_advertise_hosts =
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domainlist local_domains = dsearch;/etc/exim/domains/
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domainlist relay_to_domains = dsearch;/etc/exim/domains/
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hostlist relay_from_hosts = 127.0.0.1
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hostlist whitelist = net-iplsearch;/etc/exim/white-blocks.conf
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hostlist spammers = net-iplsearch;/etc/exim/spam-blocks.conf
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no_local_from_check
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untrusted_set_sender = *
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acl_smtp_connect = acl_check_spammers
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acl_smtp_mail = acl_check_mail
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acl_smtp_rcpt = acl_check_rcpt
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acl_smtp_data = acl_check_data
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acl_smtp_mime = acl_check_mime
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.ifdef SPAMASSASSIN
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spamd_address = 127.0.0.1 783
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.endif
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.ifdef CLAMD
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av_scanner = clamd: /run/clamav/clamd.ctl
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.endif
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log_selector = +tls_sni
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tls_advertise_hosts = *
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# We test that $tls_in_sni is a valid domain, by an arbitrary email address foo@domain.tld .
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# Then, we extract the domain with a function that would fail if the email address is invalid.
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# If the certificate exists, we will use it, otherwise the default certificate in /etc/ssl will be used.
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tls_certificate = \
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${if and {\
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{ eq {${domain:foo@$tls_in_sni}} {$tls_in_sni}}\
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{ exists{/usr/local/hestia/ssl/mail/$tls_in_sni.crt} }\
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}\
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{/usr/local/hestia/ssl/mail/$tls_in_sni.crt}\
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{/usr/local/hestia/ssl/certificate.crt}\
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}
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tls_privatekey = \
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${if and {\
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{ eq {${domain:foo@$tls_in_sni}} {$tls_in_sni}}\
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{ exists{/usr/local/hestia/ssl/mail/$tls_in_sni.key} }\
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}\
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{/usr/local/hestia/ssl/mail/$tls_in_sni.key}\
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{/usr/local/hestia/ssl/certificate.key}\
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}
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daemon_smtp_ports = 25 : 465 : 587
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tls_on_connect_ports = 465
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tls_require_ciphers = PERFORMANCE:-RSA:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3:%SERVER_PRECEDENCE
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never_users = root
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host_lookup = *
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rfc1413_hosts = *
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rfc1413_query_timeout = 0s
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ignore_bounce_errors_after = 2d
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timeout_frozen_after = 7d
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DKIM_DOMAIN = ${lc:${domain:$h_from:}}
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DKIM_FILE = /etc/exim/domains/${lc:${domain:$h_from:}}/dkim.pem
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DKIM_PRIVATE_KEY = ${if exists{DKIM_FILE}{DKIM_FILE}{0}}
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OUTGOING_IP = /etc/exim/domains/$sender_address_domain/ip
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SMTP_RELAY_FILE = ${if exists{/etc/exim/domains/${sender_address_domain}/smtp_relay.conf}{/etc/exim/domains/$sender_address_domain/smtp_relay.conf}{/etc/exim/smtp_relay.conf}}
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SMTP_RELAY_HOST = ${lookup{host}lsearch{SMTP_RELAY_FILE}}
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SMTP_RELAY_PORT = ${lookup{port}lsearch{SMTP_RELAY_FILE}}
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SMTP_RELAY_USER = ${lookup{user}lsearch{SMTP_RELAY_FILE}}
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SMTP_RELAY_PASS = ${lookup{pass}lsearch{SMTP_RELAY_FILE}}
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# Custom Filter
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system_filter = /etc/exim/system.filter
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system_filter_user = exim
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######################################################################
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# ACL CONFIGURATION #
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# Specifies access control lists for incoming SMTP mail #
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######################################################################
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acl_not_smtp = acl_not_smtp
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begin acl
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# Limit per user for PHP scripts
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acl_not_smtp:
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deny message = Website of user $authenticated_id is sending too many emails - rate overlimit = $sender_rate / $sender_rate_period
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ratelimit = 200 / 1h / $authenticated_id
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warn ratelimit = 100 / 1h / strict / $authenticated_id
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log_message = Sender rate [limitlog]: log / account / $authenticated_id / $sender_rate / $sender_rate_period
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accept
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acl_check_spammers:
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accept hosts = +whitelist
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drop message = Your host in blacklist on this server.
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log_message = Host in blacklist
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hosts = +spammers
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accept
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acl_check_mail:
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deny condition = ${if eq{$sender_helo_name}{}}
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message = HELO required before MAIL
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drop !authenticated = *
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message = Helo name contains an IP address (HELO was $sender_helo_name) and not is valid
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condition = ${if match{$sender_helo_name}{\N((\d{1,3}[.-]\d{1,3}[.-]\d{1,3}[.-]\d{1,3})|([0-9a-f]{8})|([0-9A-F]{8}))\N}{yes}{no}}
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condition = ${if match {${lookup dnsdb{>: defer_never,ptr=$sender_host_address}}\}{$sender_helo_name}{no}{yes}}
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delay = 45s
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drop !authenticated = *
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condition = ${if isip{$sender_helo_name}}
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message = Access denied - Invalid HELO name (See RFC2821 4.1.3)
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drop !authenticated = *
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condition = ${if eq{[$interface_address]}{$sender_helo_name}}
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message = $interface_address is _my_ address
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accept
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acl_check_rcpt:
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accept hosts = :
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# Limit per email account for SMTP auhenticated users
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deny message = Email account $authenticated_id is sending too many emails - rate overlimit = $sender_rate / $sender_rate_period
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set acl_c_msg_limit = ${if exists{/etc/exim/domains/${lookup{${domain:$authenticated_id}}dsearch{/etc/exim/domains/}}/limits}{${lookup {$authenticated_id} lsearch{/etc/exim/domains/${lookup{${domain:$authenticated_id}}dsearch{/etc/exim/domains/}}/limits}{$value}{${readfile{/etc/exim/limit.conf}}}}}{${readfile{/etc/exim/limit.conf}}} }
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ratelimit = $acl_c_msg_limit / 1h / strict/ $authenticated_id
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warn ratelimit = ${eval:$acl_c_msg_limit / 2} / 1h / strict / $authenticated_id
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log_message = Sender rate [limitlog]: log / email / $authenticated_id / $sender_rate / $sender_rate_period
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deny message = Restricted characters in address
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domains = +local_domains
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local_parts = ^[.] : ^.*[@%!/|]
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deny message = Restricted characters in address
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domains = !+local_domains
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local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
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require verify = sender
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accept hosts = +relay_from_hosts
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control = submission
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accept authenticated = *
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control = submission/domain=
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deny message = Rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
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hosts = !+whitelist
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dnslists = ${readfile {/etc/exim/dnsbl.conf}{:}}
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require message = relay not permitted
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domains = +local_domains : +relay_to_domains
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deny message = smtp auth required
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sender_domains = +local_domains
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!authenticated = *
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require verify = recipient
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.ifdef CLAMD
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warn set acl_m0 = no
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warn condition = ${if exists {/etc/exim/domains/$domain/antivirus}{yes}{no}}
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set acl_m0 = yes
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.endif
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.ifdef SPAMASSASSIN
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warn set acl_m1 = no
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set acl_m3 = no
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warn condition = ${if exists {/etc/exim/domains/$domain/antispam}{yes}{no}}
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set acl_m1 = yes
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warn condition = ${if exists {/etc/exim/domains/$domain/reject_spam}{yes}{no}}
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set acl_m3 = yes
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.endif
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accept
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acl_check_data:
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.ifdef CLAMD
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deny message = Message contains a virus ($malware_name) and has been rejected
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malware = */defer_ok
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condition = ${if eq{$acl_m0}{yes}{yes}{no}}
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.endif
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.ifdef SPAMASSASSIN
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warn !authenticated = *
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hosts = !+relay_from_hosts
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condition = ${if < {$message_size}{1024K}}
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condition = ${if eq{$acl_m1}{yes}{yes}{no}}
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spam = debian-spamd:true/defer_ok
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add_header = X-Spam-Score: $spam_score_int
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add_header = X-Spam-Bar: $spam_bar
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add_header = X-Spam-Report: $spam_report
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set acl_m2 = $spam_score_int
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warn condition = ${if !eq{$acl_m2}{} {yes}{no}}
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condition = ${if >{$acl_m2}{SPAM_SCORE} {yes}{no}}
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add_header = X-Spam-Status: Yes
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message = SpamAssassin detected spam (from $sender_address to $recipients).
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# Deny spam at high score if spam score > SPAM_REJECT_SCORE and delete_spam is enabled
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deny message = This message scored $spam_score spam points
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spam = debian-spamd:true
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condition = ${if eq{$acl_m3}{yes}{yes}{no}}
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condition = ${if >{$spam_score_int}{SPAM_REJECT_SCORE}{1}{0}}
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.endif
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accept
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acl_check_mime:
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deny message = Blacklisted file extension detected
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condition = ${if match {${lc:$mime_filename}}{\N(\.ace|\.ade|\.adp|\.app|\.arj|\.asp|\.aspx|\.asx|\.bas|\.bat|\.cab|\.cer|\.chm|\.cmd|\.cnt|\.com|\.cpl|\.crt|\.csh|\.der|\.diagcab|\.dll|\.efi|\.exe|\.fla|\.fon|\.fxp|\.gadget|\.grp|\.hlp|\.hpj|\.hta|\.htc|\.img|\.inf|\.ins|\.iso|\.isp|\.its|\.jar|\.jnlp|\.js|\.jse|\.ksh|\.lib|\.lnk|\.mad|\.maf|\.mag|\.mam|\.maq|\.mar|\.mas|\.mat|\.mau|\.mav|\.maw|\.mcf|\.mda|\.mdb|\.mde|\.mdt|\.mdw|\.mdz|\.msc|\.msh|\.msh1|\.msh1xml|\.msh2|\.msh2xml|\.mshxml|\.msi|\.msp|\.mst|\.msu|\.ops|\.osd|\.pcd|\.pif|\.pl|\.plg|\.prf|\.prg|\.printerexport|\.ps1|\.ps1xml|\.ps2|\.ps2xml|\.psc1|\.psc2|\.psd1|\.psdm1|\.pst|\.py|\.pyc|\.pyo|\.pyw|\.pyz|\.pyzw|\.reg|\.scf|\.scr|\.sct|\.sfx|\.shb|\.shs|\.swf|\.sys|\.theme|\.tmp|\.ttf|\.url|\.vb|\.vba|\.vbe|\.vbp|\.vbs|\.vhd|\.vhdx|\.vsmacros|\.vsw|\.vxd|\.webpnp|\.website|\.wim|\.ws|\.wsc|\.wsf|\.wsh|\.xbap|\.xll|\.xnk)$\N}{1}{0}}
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accept
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######################################################################
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# AUTHENTICATION CONFIGURATION #
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######################################################################
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begin authenticators
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smtp_relay_login:
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driver = plaintext
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public_name = LOGIN
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hide client_send = : SMTP_RELAY_USER : SMTP_RELAY_PASS
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dovecot_plain:
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driver = dovecot
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public_name = PLAIN
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server_socket = /run/dovecot/auth-client
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server_set_id = $auth1
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dovecot_login:
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driver = dovecot
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public_name = LOGIN
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server_socket = /run/dovecot/auth-client
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server_set_id = $auth1
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######################################################################
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# ROUTERS CONFIGURATION #
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# Specifies how addresses are handled #
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######################################################################
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begin routers
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send_via_unauthenticated_smtp_relay:
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driver = manualroute
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address_data = SMTP_RELAY_HOST:SMTP_RELAY_PORT
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domains = !+local_domains
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require_files = SMTP_RELAY_FILE
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condition = ${if eq{SMTP_RELAY_USER}{}}
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transport = remote_smtp
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route_list = * ${extract{1}{:}{$address_data}}::${extract{2}{:}{$address_data}}
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no_more
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no_verify
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send_via_smtp_relay:
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driver = manualroute
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address_data = SMTP_RELAY_HOST:SMTP_RELAY_PORT
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domains = !+local_domains
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require_files = SMTP_RELAY_FILE
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transport = smtp_relay_smtp
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route_list = * ${extract{1}{:}{$address_data}}::${extract{2}{:}{$address_data}}
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no_more
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no_verify
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dnslookup:
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driver = dnslookup
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domains = !+local_domains
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transport = remote_smtp
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no_more
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userforward:
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driver = redirect
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check_local_user
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file = $home/.forward
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require_files = ${local_part}:+${home}/.forward
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domains = +local_domains
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allow_filter
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no_verify
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no_expn
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check_ancestor
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file_transport = address_file
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pipe_transport = address_pipe
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reply_transport = address_reply
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procmail:
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driver = accept
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check_local_user
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require_files = ${local_part}:+${home}/.procmailrc:/usr/bin/procmail
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transport = procmail
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no_verify
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autoreplay:
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driver = accept
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require_files = /etc/exim/domains/$domain/autoreply.${local_part}.msg
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condition = ${if exists{/etc/exim/domains/$domain/autoreply.${local_part}.msg}{yes}{no}}
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retry_use_local_part
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transport = userautoreply
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unseen
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aliases:
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driver = redirect
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headers_add = X-redirected: yes
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data = ${extract{1}{:}{${lookup{$local_part@$domain}lsearch{/etc/exim/domains/$domain/aliases}}}}
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require_files = /etc/exim/domains/$domain/aliases
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redirect_router = dnslookup
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pipe_transport = address_pipe
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unseen
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localuser_fwd_only:
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driver = accept
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transport = devnull
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condition = ${if exists{/etc/exim/domains/$domain/fwd_only}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/fwd_only}{true}{false}}}}
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localuser_spam:
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driver = accept
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transport = local_spam_delivery
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condition = ${if eq {${if match{$h_X-Spam-Status:}{\N^Yes\N}{yes}{no}}} {${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}{yes}{no_such_user}}}}
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localuser:
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driver = accept
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transport = local_delivery
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condition = ${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}{true}{false}}
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catchall:
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driver = redirect
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headers_add = X-redirected: yes
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require_files = /etc/exim/domains/$domain/aliases
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data = ${extract{1}{:}{${lookup{*@$domain}lsearch{/etc/exim/domains/$domain/aliases}}}}
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file_transport = local_delivery
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redirect_router = dnslookup
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condition = ${lookup{$local_part@$domain}lsearch{/etc/exim/domains/${lookup{$domain}dsearch{/etc/exim/domains/}}/aliases}{false}{true}}
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terminate_alias:
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driver = accept
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transport = devnull
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condition = ${lookup{$local_part@$domain}lsearch{/etc/exim/domains/$domain/aliases}{true}{false}}
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######################################################################
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# TRANSPORTS CONFIGURATION #
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######################################################################
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begin transports
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smtp_relay_smtp:
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driver = smtp
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hosts_require_auth = $host_address
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hosts_require_tls = $host_address
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remote_smtp:
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driver = smtp
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helo_data = ${lookup dnsdb{>: defer_never,ptr=$sending_ip_address}{${listextract{1}{$value}}}{$primary_hostname}}
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dkim_domain = DKIM_DOMAIN
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dkim_selector = mail
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dkim_private_key = DKIM_PRIVATE_KEY
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dkim_canon = relaxed
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dkim_strict = 0
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hosts_try_fastopen = !*.l.google.com
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interface = ${if exists{OUTGOING_IP}{${readfile{OUTGOING_IP}}}}
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procmail:
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driver = pipe
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command = "/usr/bin/procmail -d $local_part"
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return_path_add
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delivery_date_add
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envelope_to_add
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user = $local_part
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initgroups
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return_output
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local_delivery:
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driver = appendfile
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maildir_format
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maildir_use_size_file
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user = ${extract{2}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}
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group = mail
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create_directory
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directory_mode = 770
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mode = 660
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use_lockfile = no
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delivery_date_add
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envelope_to_add
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return_path_add
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directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}/mail/$domain/$local_part"
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quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}M
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quota_warn_threshold = 75%
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local_spam_delivery:
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driver = appendfile
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maildir_format
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maildir_use_size_file
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user = ${extract{2}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}
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group = mail
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create_directory
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directory_mode = 770
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mode = 660
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use_lockfile = no
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delivery_date_add
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envelope_to_add
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return_path_add
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directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}/mail/$domain/$local_part/.Spam"
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quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}M
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quota_directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim/domains/$domain/passwd}}}}/mail/$domain/$local_part"
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quota_warn_threshold = 75%
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address_pipe:
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driver = pipe
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return_output
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address_file:
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driver = appendfile
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delivery_date_add
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envelope_to_add
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return_path_add
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address_reply:
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driver = autoreply
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userautoreply:
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driver = autoreply
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file = /etc/exim/domains/$domain/autoreply.${local_part}.msg
|
|
from = "${local_part}@${domain}"
|
|
headers = Content-Type: text/plain; charset=utf-8;\nContent-Transfer-Encoding: 8bit
|
|
subject = "${if def:h_Subject: {Autoreply: \"${rfc2047:$h_Subject:}\"} {Autoreply Message}}"
|
|
to = "${sender_address}"
|
|
|
|
devnull:
|
|
driver = appendfile
|
|
file = /dev/null
|
|
|
|
|
|
|
|
######################################################################
|
|
# RETRY CONFIGURATION #
|
|
######################################################################
|
|
begin retry
|
|
|
|
# Address or Domain Error Retries
|
|
# ----------------- ----- -------
|
|
* * F,2h,15m; G,16h,1h,1.5; F,4d,6h
|
|
|
|
|
|
|
|
######################################################################
|
|
# REWRITE CONFIGURATION #
|
|
######################################################################
|
|
begin rewrite
|
|
|
|
|
|
|
|
######################################################################
|