myvesta/install/debian/12/exim/exim4.conf.template
myvesta 5eb0607319
Update exim4.conf.template - avoid ACL error
failed to expand ACL string "${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/aliases}{true}{false}}": failed to open /etc/exim4/domains//aliases for linear search: No such file or directory
2024-11-10 18:23:52 +01:00

488 lines
18 KiB
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######################################################################
# #
# Exim configuration file for Vesta Control Panel #
# #
######################################################################
#SPAMASSASSIN = yes
#SPAM_SCORE = 50
#CLAMD = yes
disable_ipv6=true
add_environment=<; PATH=/bin:/usr/bin
keep_environment=
smtputf8_advertise_hosts =
SRS_SECRET = ${readfile{/etc/exim4/srs.conf}}
#local_interfaces = 0.0.0.0
#smtp_active_hostname = ${lookup{$interface_address}lsearch{/etc/exim4/virtual/helo_data}{$value}}
#smtp_banner = "$smtp_active_hostname ESMTP $tod_full"
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
LIMIT_PER_EMAIL_ACCOUNT_MAX_RECIPIENTS = 15
LIMIT_PER_HOSTING_ACCOUNT_MAX_RECIPIENTS = 5
LIMIT_PER_EMAIL_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR = 40
LIMIT_PER_HOSTING_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR = 40
recipients_max = 150
recipients_max_reject = true
# log_selector = +smtp_connection
smtp_accept_max = 50
smtp_accept_max_per_host = 4
.ifdef SPAMASSASSIN
spamd_address = 127.0.0.1 783
.endif
.ifdef CLAMD
av_scanner = clamd: /var/run/clamav/clamd.ctl
.endif
tls_advertise_hosts = *
tls_certificate = /usr/local/vesta/ssl/certificate.crt
tls_privatekey = /usr/local/vesta/ssl/certificate.key
daemon_smtp_ports = 25 : 465 : 587 : 2525
tls_on_connect_ports = 465
never_users = root
host_lookup = *
rfc1413_hosts = *
rfc1413_query_timeout = 0s
ignore_bounce_errors_after = 2d
timeout_frozen_after = 7d
DKIM_DOMAIN = ${lc:${domain:$h_from:}}
DKIM_FILE = /etc/exim4/domains/${lookup{${lc:${domain:$h_from:}}}dsearch{/etc/exim4/domains/}}/dkim.pem
DKIM_PRIVATE_KEY = ${if exists{DKIM_FILE}{DKIM_FILE}{0}}
######################################################################
# ACL CONFIGURATION #
# Specifies access control lists for incoming SMTP mail #
######################################################################
acl_not_smtp = acl_not_smtp
begin acl
acl_not_smtp:
deny message = Too many recipients, limit is $acl_c_max_recipients recipients
set acl_c_max_recipients=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_hosting_account_max_recipients}{$value}{LIMIT_PER_HOSTING_ACCOUNT_MAX_RECIPIENTS}}
condition = ${if >{$rcpt_count}{$acl_c_max_recipients}}
deny message = Hosting account is sending too much emails [limitlog]: deny / account / $authenticated_id / $sender_rate / $sender_rate_period [limit=$acl_c_limit_per_hour]
set acl_c_limit_per_hour=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_hosting_account_max_sent_emails_per_hour}{$value}{LIMIT_PER_HOSTING_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR}}
ratelimit = $acl_c_limit_per_hour / 1h / $authenticated_id
warn ratelimit = 0 / 1h / strict / $authenticated_id
set acl_c_limit_per_hour=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_hosting_account_max_sent_emails_per_hour}{$value}{LIMIT_PER_HOSTING_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR}}
log_message = Sender rate [limitlog]: log / account / $authenticated_id / $sender_rate / $sender_rate_period [limit=$acl_c_limit_per_hour]
warn set acl_m3 = yes
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 a 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 = :
deny message = Too many recipients, limit is $acl_c_max_recipients recipients
set acl_c_max_recipients=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_email_account_max_recipients}{$value}{LIMIT_PER_EMAIL_ACCOUNT_MAX_RECIPIENTS}}
condition = ${if >{$rcpt_count}{$acl_c_max_recipients}}
deny message = Email account is sending too much emails [limitlog]: deny / email / $authenticated_id / $sender_rate / $sender_rate_period [limit=$acl_c_limit_per_hour]
set acl_c_limit_per_hour=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_email_account_max_sent_emails_per_hour}{$value}{LIMIT_PER_EMAIL_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR}}
ratelimit = $acl_c_limit_per_hour / 1h / $authenticated_id
warn ratelimit = 0 / 1h / strict / $authenticated_id
set acl_c_limit_per_hour=${lookup{$authenticated_id}lsearch{/etc/exim4/limit_per_email_account_max_sent_emails_per_hour}{$value}{LIMIT_PER_EMAIL_ACCOUNT_MAX_SENT_EMAILS_PER_HOUR}}
log_message = Sender rate [limitlog]: log / email / $authenticated_id / $sender_rate / $sender_rate_period [limit=$acl_c_limit_per_hour]
warn set acl_m3 = no
warn !authenticated = *
hosts = !+relay_from_hosts
condition = ${if eq{${lookup{$domain}dsearch{/etc/exim4/domains/}}}{}{false}{true}}
condition = ${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/aliases}{true}{false}}
set acl_m3 = yes
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 requried
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
warn condition = ${if exists {/etc/exim4/domains/$domain/antispam}{yes}{no}}
set acl_m1 = yes
.endif
accept
acl_check_data:
deny senders = /etc/exim4/deny_senders
.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}{600K}}
condition = ${if eq{$acl_m1}{yes}{yes}{no}}
spam = nobody: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).
.endif
accept
acl_check_mime:
deny message = Blacklisted file extension detected
condition = ${if match {${lc:$mime_filename}}{\N(\.ade|\.adp|\.bat|\.chm|\.cmd|\.com|\.cpl|\.exe|\.hta|\.ins|\.isp|\.jse|\.lib|\.lnk|\.mde|\.msc|\.msp|\.mst|\.pif|\.scr|\.sct|\.shb|\.sys|\.vb|\.vbe|\.vbs|\.vxd|\.wsc|\.wsf|\.wsh|\.jar)$\N}{1}{0}}
accept
######################################################################
# AUTHENTICATION CONFIGURATION #
######################################################################
begin authenticators
dovecot_plain:
driver = dovecot
public_name = PLAIN
server_socket = /var/run/dovecot/auth-client
server_set_id = $auth1
dovecot_login:
driver = dovecot
public_name = LOGIN
server_socket = /var/run/dovecot/auth-client
server_set_id = $auth1
######################################################################
# ROUTERS CONFIGURATION #
# Specifies how addresses are handled #
######################################################################
begin routers
#smarthost:
# driver = manualroute
# domains = ! +local_domains
# transport = remote_smtp
# route_list = * smartrelay.vestacp.com
# no_more
# no_verify
dnslookup:
driver = dnslookup
# if outbound, and forwarding has been done, use an alternate transport
domains = ! +local_domains
transport = ${if eq {$local_part@$domain} \
{$original_local_part@$original_domain} \
{remote_smtp} {remote_forwarded_smtp}}
no_more
localuser_spam:
driver = accept
transport = local_spam_delivery
condition = ${if eq {${if match{$h_X-Spam-Status:}{\N^Yes\N}{yes}{no}}} {${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}{yes}{no_such_user}}}}
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/${lookup{$domain}dsearch{/etc/exim4/domains/}}/autoreply.${local_part}.msg
condition = ${if exists{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/autoreply.${local_part}.msg}{yes}{no}}
retry_use_local_part
transport = userautoreply
unseen
inbound_srs:
driver = redirect
senders = :
domains = +local_domains
# detect inbound bounces which are converted to SRS, and decode them
condition = ${if inbound_srs {$local_part} {SRS_SECRET}}
data = $srs_recipient
inbound_srs_failure:
driver = redirect
senders = :
domains = +local_domains
# detect inbound bounces which look converted to SRS but are invalid
condition = ${if inbound_srs {$local_part} {}}
allow_fail
data = :fail: Invalid SRS recipient address
aliases:
driver = redirect
headers_add = X-redirected: yes
data = ${extract{1}{:}{${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/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/${lookup{$domain}dsearch{/etc/exim4/domains/}}/fwd_only}{true}{false}}}}
localuser:
driver = accept
transport = local_delivery
condition = ${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}{true}{false}}
catchall:
driver = redirect
headers_add = X-redirected: yes
require_files = /etc/exim4/domains/$domain/aliases
data = ${extract{1}{:}{${lookup{*@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/aliases}}}}
file_transport = local_delivery
redirect_router = dnslookup
terminate_alias:
driver = accept
transport = devnull
condition = ${lookup{$local_part@$domain}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/aliases}{true}{false}}
######################################################################
# TRANSPORTS CONFIGURATION #
######################################################################
begin transports
remote_smtp:
driver = smtp
#interface = ${if eq{$acl_m3}{yes}{FIRSTIP}{${lookup{$sender_address_domain}lsearch{/etc/exim4/virtual/interfaces} {$value}{SECONDIP}}}}
#helo_data = "${if eq{$acl_m3}{yes}{FIRSTHOST}{${lookup{$sending_ip_address}lsearch{/etc/exim4/virtual/helo_data}{$value}{SECONDHOST}}}}"
dkim_domain = DKIM_DOMAIN
dkim_selector = mail
dkim_private_key = DKIM_PRIVATE_KEY
dkim_canon = relaxed
dkim_strict = 0
hosts_try_fastopen =
hosts_try_chunking = !93.188.3.0/24
message_linelength_limit = 1G
remote_forwarded_smtp:
driver = smtp
dkim_domain = DKIM_DOMAIN
dkim_selector = mail
dkim_private_key = DKIM_PRIVATE_KEY
dkim_canon = relaxed
dkim_strict = 0
hosts_try_fastopen =
hosts_try_chunking = !93.188.3.0/24
message_linelength_limit = 1G
# modify the envelope from, for mails that we forward
max_rcpt = 1
return_path = ${srs_encode {SRS_SECRET} {$return_path} {$original_domain}}
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{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}
group = mail
create_directory
directory_mode = 770
mode = 660
use_lockfile = no
delivery_date_add
envelope_to_add
return_path_add
directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}/${lookup{$local_part}dsearch{${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}}}"
quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}M
quota_warn_threshold = 75%
local_spam_delivery:
driver = appendfile
maildir_format
maildir_use_size_file
user = ${extract{2}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}
group = mail
create_directory
directory_mode = 770
mode = 660
use_lockfile = no
delivery_date_add
envelope_to_add
return_path_add
directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}/${lookup{$local_part}dsearch{${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}}}/.Spam"
quota = ${extract{6}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}M
quota_directory = "${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}/${lookup{$local_part}dsearch{${extract{5}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/passwd}}}}/mail/${lookup{$domain}dsearch{/etc/exim4/domains/}}}}"
quota_warn_threshold = 75%
address_pipe:
driver = pipe
return_output
address_file:
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
address_reply:
driver = autoreply
userautoreply:
driver = autoreply
file = /etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/autoreply.${extract{1}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/accounts}}}}.msg
from = "${extract{1}{:}{${lookup{$local_part}lsearch{/etc/exim4/domains/${lookup{$domain}dsearch{/etc/exim4/domains/}}/accounts}}}}@${lookup{$domain}dsearch{/etc/exim4/domains/}}"
headers = Content-Type: text/plain; charset=utf-8;\nContent-Transfer-Encoding: 8bit
subject = "${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
######################################################################