You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
479 lines
17 KiB
479 lines
17 KiB
######################################################################
|
|
# #
|
|
# Exim configuration file for Hestia Control Panel #
|
|
# #
|
|
######################################################################
|
|
|
|
#SPAMASSASSIN = yes
|
|
#SPAM_SCORE = 50
|
|
#SPAM_REJECT_SCORE = 100
|
|
#CLAMD = yes
|
|
|
|
smtp_banner = $smtp_active_hostname
|
|
smtp_active_hostname = ${lookup dnsdb{>: defer_never,ptr=$interface_address}{${listextract{1}{$value}}}{$primary_hostname}}
|
|
add_environment = <; PATH=/bin:/usr/bin
|
|
keep_environment =
|
|
disable_ipv6 = true
|
|
|
|
smtputf8_advertise_hosts =
|
|
domainlist local_domains = dsearch;/etc/exim4/domains/
|
|
domainlist relay_to_domains = dsearch;/etc/exim4/domains/
|
|
hostlist relay_from_hosts = 127.0.0.1
|
|
hostlist whitelist = net-iplsearch;/etc/exim4/white-blocks.conf
|
|
hostlist spammers = net-iplsearch;/etc/exim4/spam-blocks.conf
|
|
no_local_from_check
|
|
untrusted_set_sender = *
|
|
acl_smtp_connect = acl_check_spammers
|
|
acl_smtp_mail = acl_check_mail
|
|
acl_smtp_rcpt = acl_check_rcpt
|
|
acl_smtp_data = acl_check_data
|
|
acl_smtp_mime = acl_check_mime
|
|
|
|
.ifdef SPAMASSASSIN
|
|
spamd_address = 127.0.0.1 783
|
|
.endif
|
|
|
|
.ifdef CLAMD
|
|
av_scanner = clamd: /run/clamav/clamd.ctl
|
|
.endif
|
|
|
|
log_selector = +tls_sni
|
|
|
|
tls_advertise_hosts = *
|
|
|
|
# We test that $tls_in_sni is a valid domain, by an arbitrary email address foo@domain.tld .
|
|
# Then, we extract the domain with a function that would fail if the email address is invalid.
|
|
# If the certificate exists, we will use it, otherwise the default certificate in /etc/ssl will be used.
|
|
tls_certificate = \
|
|
${if and {\
|
|
{ eq {${domain:foo@$tls_in_sni}} {$tls_in_sni}}\
|
|
{ exists{/usr/local/hestia/ssl/mail/$tls_in_sni.crt} }\
|
|
}\
|
|
{/usr/local/hestia/ssl/mail/$tls_in_sni.crt}\
|
|
{/usr/local/hestia/ssl/certificate.crt}\
|
|
}
|
|
|
|
tls_privatekey = \
|
|
${if and {\
|
|
{ eq {${domain:foo@$tls_in_sni}} {$tls_in_sni}}\
|
|
{ exists{/usr/local/hestia/ssl/mail/$tls_in_sni.key} }\
|
|
}\
|
|
{/usr/local/hestia/ssl/mail/$tls_in_sni.key}\
|
|
{/usr/local/hestia/ssl/certificate.key}\
|
|
}
|
|
|
|
daemon_smtp_ports = 25 : 465 : 587
|
|
tls_on_connect_ports = 465
|
|
tls_require_ciphers = PERFORMANCE:-RSA:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3:%SERVER_PRECEDENCE
|
|
never_users = root
|
|
host_lookup = *
|
|
rfc1413_hosts = *
|
|
rfc1413_query_timeout = 0s
|
|
ignore_bounce_errors_after = 2d
|
|
timeout_frozen_after = 7d
|
|
|
|
DKIM_DOMAIN = ${lc:${domain:$h_from:}}
|
|
DKIM_FILE = /etc/exim4/domains/${lc:${domain:$h_from:}}/dkim.pem
|
|
DKIM_PRIVATE_KEY = ${if exists{DKIM_FILE}{DKIM_FILE}{0}}
|
|
|
|
OUTGOING_IP = /etc/exim4/domains/$sender_address_domain/ip
|
|
|
|
SMTP_RELAY_FILE = ${if exists{/etc/exim4/domains/${sender_address_domain}/smtp_relay.conf}{/etc/exim4/domains/$sender_address_domain/smtp_relay.conf}{/etc/exim4/smtp_relay.conf}}
|
|
SMTP_RELAY_HOST = ${lookup{host}lsearch{SMTP_RELAY_FILE}}
|
|
SMTP_RELAY_PORT = ${lookup{port}lsearch{SMTP_RELAY_FILE}}
|
|
SMTP_RELAY_USER = ${lookup{user}lsearch{SMTP_RELAY_FILE}}
|
|
SMTP_RELAY_PASS = ${lookup{pass}lsearch{SMTP_RELAY_FILE}}
|
|
|
|
# Custom Filter
|
|
system_filter = /etc/exim4/system.filter
|
|
system_filter_user = Debian-exim
|
|
|
|
######################################################################
|
|
# ACL CONFIGURATION #
|
|
# Specifies access control lists for incoming SMTP mail #
|
|
######################################################################
|
|
|
|
acl_not_smtp = acl_not_smtp
|
|
|
|
begin acl
|
|
|
|
# Limit per user for PHP scripts
|
|
acl_not_smtp:
|
|
deny message = Website of user $authenticated_id is sending too many emails - rate overlimit = $sender_rate / $sender_rate_period
|
|
ratelimit = 200 / 1h / $authenticated_id
|
|
|
|
warn ratelimit = 100 / 1h / strict / $authenticated_id
|
|
log_message = Sender rate [limitlog]: log / account / $authenticated_id / $sender_rate / $sender_rate_period
|
|
|
|
accept
|
|
|
|
acl_check_spammers:
|
|
accept hosts = +whitelist
|
|
|
|
drop message = Your host in blacklist on this server.
|
|
log_message = Host in blacklist
|
|
hosts = +spammers
|
|
|
|
accept
|
|
|
|
|
|
acl_check_mail:
|
|
deny condition = ${if eq{$sender_helo_name}{}}
|
|
message = HELO required before MAIL
|
|
|
|
drop !authenticated = *
|
|
message = Helo name contains an IP address (HELO was $sender_helo_name) and not is valid
|
|
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}}
|
|
condition = ${if match {${lookup dnsdb{>: defer_never,ptr=$sender_host_address}}\}{$sender_helo_name}{no}{yes}}
|
|
delay = 45s
|
|
|
|
drop !authenticated = *
|
|
condition = ${if isip{$sender_helo_name}}
|
|
message = Access denied - Invalid HELO name (See RFC2821 4.1.3)
|
|
|
|
drop !authenticated = *
|
|
condition = ${if eq{[$interface_address]}{$sender_helo_name}}
|
|
message = $interface_address is _my_ address
|
|
|
|
accept
|
|
|
|
|
|
acl_check_rcpt:
|
|
accept hosts = :
|
|
|
|
# Limit per email account for SMTP auhenticated users
|
|
deny message = Email account $authenticated_id is sending too many emails - rate overlimit = $sender_rate / $sender_rate_period
|
|
set acl_c_msg_limit = ${if exists{/etc/exim4/domains/${lookup{${domain:$authenticated_id}}dsearch{/etc/exim4/domains/}}/limits}{${lookup {$authenticated_id} lsearch{/etc/exim4/domains/${lookup{${domain:$authenticated_id}}dsearch{/etc/exim4/domains/}}/limits}{$value}{${readfile{/etc/exim4/limit.conf}}}}}{${readfile{/etc/exim4/limit.conf}}} }
|
|
ratelimit = $acl_c_msg_limit / 1h / strict/ $authenticated_id
|
|
|
|
warn ratelimit = ${eval:$acl_c_msg_limit / 2} / 1h / strict / $authenticated_id
|
|
log_message = Sender rate [limitlog]: log / email / $authenticated_id / $sender_rate / $sender_rate_period
|
|
|
|
deny message = Restricted characters in address
|
|
domains = +local_domains
|
|
local_parts = ^[.] : ^.*[@%!/|]
|
|
|
|
deny message = Restricted characters in address
|
|
domains = !+local_domains
|
|
local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
|
|
|
|
require verify = sender
|
|
|
|
accept hosts = +relay_from_hosts
|
|
control = submission
|
|
|
|
accept authenticated = *
|
|
control = submission/domain=
|
|
|
|
deny message = Rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
|
|
hosts = !+whitelist
|
|
dnslists = ${readfile {/etc/exim4/dnsbl.conf}{:}}
|
|
|
|
require message = relay not permitted
|
|
domains = +local_domains : +relay_to_domains
|
|
|
|
deny message = smtp auth required
|
|
sender_domains = +local_domains
|
|
!authenticated = *
|
|
|
|
require verify = recipient
|
|
|
|
.ifdef CLAMD
|
|
warn set acl_m0 = no
|
|
|
|
warn condition = ${if exists {/etc/exim4/domains/$domain/antivirus}{yes}{no}}
|
|
set acl_m0 = yes
|
|
.endif
|
|
|
|
.ifdef SPAMASSASSIN
|
|
warn set acl_m1 = no
|
|
set acl_m3 = no
|
|
warn condition = ${if exists {/etc/exim4/domains/$domain/antispam}{yes}{no}}
|
|
set acl_m1 = yes
|
|
warn condition = ${if exists {/etc/exim4/domains/$domain/reject_spam}{yes}{no}}
|
|
set acl_m3 = yes
|
|
.endif
|
|
|
|
|
|
accept
|
|
|
|
|
|
acl_check_data:
|
|
.ifdef CLAMD
|
|
deny message = Message contains a virus ($malware_name) and has been rejected
|
|
malware = */defer_ok
|
|
condition = ${if eq{$acl_m0}{yes}{yes}{no}}
|
|
.endif
|
|
|
|
.ifdef SPAMASSASSIN
|
|
warn !authenticated = *
|
|
hosts = !+relay_from_hosts
|
|
condition = ${if < {$message_size}{1024K}}
|
|
condition = ${if eq{$acl_m1}{yes}{yes}{no}}
|
|
spam = debian-spamd:true/defer_ok
|
|
add_header = X-Spam-Score: $spam_score_int
|
|
add_header = X-Spam-Bar: $spam_bar
|
|
add_header = X-Spam-Report: $spam_report
|
|
set acl_m2 = $spam_score_int
|
|
|
|
warn condition = ${if !eq{$acl_m2}{} {yes}{no}}
|
|
condition = ${if >{$acl_m2}{SPAM_SCORE} {yes}{no}}
|
|
add_header = X-Spam-Status: Yes
|
|
message = SpamAssassin detected spam (from $sender_address to $recipients).
|
|
|
|
# Deny spam at high score if spam score > SPAM_REJECT_SCORE and delete_spam is enabled
|
|
deny message = This message scored $spam_score spam points
|
|
spam = debian-spamd:true
|
|
condition = ${if eq{$acl_m3}{yes}{yes}{no}}
|
|
condition = ${if >{$spam_score_int}{SPAM_REJECT_SCORE}{1}{0}}
|
|
.endif
|
|
|
|
|
|
accept
|
|
|
|
|
|
acl_check_mime:
|
|
deny message = Blacklisted file extension detected
|
|
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}}
|
|
|
|
accept
|
|
|
|
|
|
|
|
######################################################################
|
|
# AUTHENTICATION CONFIGURATION #
|
|
######################################################################
|
|
begin authenticators
|
|
|
|
smtp_relay_login:
|
|
driver = plaintext
|
|
public_name = LOGIN
|
|
hide client_send = : SMTP_RELAY_USER : SMTP_RELAY_PASS
|
|
|
|
dovecot_plain:
|
|
driver = dovecot
|
|
public_name = PLAIN
|
|
server_socket = /run/dovecot/auth-client
|
|
server_set_id = $auth1
|
|
|
|
dovecot_login:
|
|
driver = dovecot
|
|
public_name = LOGIN
|
|
server_socket = /run/dovecot/auth-client
|
|
server_set_id = $auth1
|
|
|
|
|
|
|
|
######################################################################
|
|
# ROUTERS CONFIGURATION #
|
|
# Specifies how addresses are handled #
|
|
######################################################################
|
|
begin routers
|
|
|
|
send_via_unauthenticated_smtp_relay:
|
|
driver = manualroute
|
|
address_data = SMTP_RELAY_HOST:SMTP_RELAY_PORT
|
|
domains = !+local_domains
|
|
require_files = SMTP_RELAY_FILE
|
|
condition = ${if eq{SMTP_RELAY_USER}{}}
|
|
transport = remote_smtp
|
|
route_list = * ${extract{1}{:}{$address_data}}::${extract{2}{:}{$address_data}}
|
|
no_more
|
|
no_verify
|
|
|
|
send_via_smtp_relay:
|
|
driver = manualroute
|
|
address_data = SMTP_RELAY_HOST:SMTP_RELAY_PORT
|
|
domains = !+local_domains
|
|
require_files = SMTP_RELAY_FILE
|
|
transport = smtp_relay_smtp
|
|
route_list = * ${extract{1}{:}{$address_data}}::${extract{2}{:}{$address_data}}
|
|
no_more
|
|
no_verify
|
|
|
|
dnslookup:
|
|
driver = dnslookup
|
|
domains = !+local_domains
|
|
transport = remote_smtp
|
|
no_more
|
|
|
|
userforward:
|
|
driver = redirect
|
|
check_local_user
|
|
file = $home/.forward
|
|
require_files = ${local_part}:+${home}/.forward
|
|
domains = +local_domains
|
|
allow_filter
|
|
no_verify
|
|
no_expn
|
|
check_ancestor
|
|
file_transport = address_file
|
|
pipe_transport = address_pipe
|
|
reply_transport = address_reply
|
|
|
|
procmail:
|
|
driver = accept
|
|
check_local_user
|
|
require_files = ${local_part}:+${home}/.procmailrc:/usr/bin/procmail
|
|
transport = procmail
|
|
no_verify
|
|
|
|
autoreplay:
|
|
driver = accept
|
|
require_files = /etc/exim4/domains/$domain/autoreply.${local_part}.msg
|
|
condition = ${if exists{/etc/exim4/domains/$domain/autoreply.${local_part}.msg}{yes}{no}}
|
|
retry_use_local_part
|
|
transport = userautoreply
|
|
unseen
|
|
|
|
aliases:
|
|
driver = redirect
|
|
headers_add = X-redirected: yes
|
|
data = ${extract{1}{:}{${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/$domain/aliases}}}}
|
|
require_files = /etc/exim4/domains/$domain/aliases
|
|
redirect_router = dnslookup
|
|
pipe_transport = address_pipe
|
|
unseen
|
|
|
|
localuser_fwd_only:
|
|
driver = accept
|
|
transport = devnull
|
|
condition = ${if exists{/etc/exim4/domains/$domain/fwd_only}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/fwd_only}{true}{false}}}}
|
|
|
|
localuser_spam:
|
|
driver = accept
|
|
transport = local_spam_delivery
|
|
condition = ${if eq {${if match{$h_X-Spam-Status:}{\N^Yes\N}{yes}{no}}} {${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}{yes}{no_such_user}}}}
|
|
|
|
localuser:
|
|
driver = accept
|
|
transport = local_delivery
|
|
condition = ${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}{true}{false}}
|
|
|
|
catchall:
|
|
driver = redirect
|
|
headers_add = X-redirected: yes
|
|
require_files = /etc/exim4/domains/$domain/aliases
|
|
data = ${extract{1}{:}{${lookup{*@$domain}lsearch{/etc/exim4/domains/$domain/aliases}}}}
|
|
file_transport = local_delivery
|
|
redirect_router = dnslookup
|
|
condition = ${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/aliases}{false}{true}}
|
|
|
|
terminate_alias:
|
|
driver = accept
|
|
transport = devnull
|
|
condition = ${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/$domain/aliases}{true}{false}}
|
|
|
|
######################################################################
|
|
# TRANSPORTS CONFIGURATION #
|
|
######################################################################
|
|
begin transports
|
|
|
|
smtp_relay_smtp:
|
|
driver = smtp
|
|
hosts_require_auth = $host_address
|
|
hosts_require_tls = $host_address
|
|
|
|
remote_smtp:
|
|
driver = smtp
|
|
helo_data = ${lookup dnsdb{>: defer_never,ptr=$sending_ip_address}{${listextract{1}{$value}}}{$primary_hostname}}
|
|
dkim_domain = DKIM_DOMAIN
|
|
dkim_selector = mail
|
|
dkim_private_key = DKIM_PRIVATE_KEY
|
|
dkim_canon = relaxed
|
|
dkim_strict = 0
|
|
hosts_try_fastopen = !*.l.google.com
|
|
interface = ${if exists{OUTGOING_IP}{${readfile{OUTGOING_IP}}}}
|
|
|
|
procmail:
|
|
driver = pipe
|
|
command = "/usr/bin/procmail -d $local_part"
|
|
return_path_add
|
|
delivery_date_add
|
|
envelope_to_add
|
|
user = $local_part
|
|
initgroups
|
|
return_output
|
|
|
|
local_delivery:
|
|
driver = appendfile
|
|
maildir_format
|
|
maildir_use_size_file
|
|
user = ${extract{2}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}
|
|
group = mail
|
|
create_directory
|
|
directory_mode = 770
|
|
mode = 660
|
|
use_lockfile = no
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}/mail/$domain/$local_part"
|
|
quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}M
|
|
quota_warn_threshold = 75%
|
|
|
|
local_spam_delivery:
|
|
driver = appendfile
|
|
maildir_format
|
|
maildir_use_size_file
|
|
user = ${extract{2}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}
|
|
group = mail
|
|
create_directory
|
|
directory_mode = 770
|
|
mode = 660
|
|
use_lockfile = no
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}/mail/$domain/$local_part/.Spam"
|
|
quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}M
|
|
quota_directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/$domain/passwd}}}}/mail/$domain/$local_part"
|
|
quota_warn_threshold = 75%
|
|
|
|
address_pipe:
|
|
driver = pipe
|
|
return_output
|
|
|
|
address_file:
|
|
driver = appendfile
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
|
|
address_reply:
|
|
driver = autoreply
|
|
|
|
userautoreply:
|
|
driver = autoreply
|
|
file = /etc/exim4/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
|
|
|
|
|
|
|
|
######################################################################
|