487 lines
12 KiB
Plaintext
487 lines
12 KiB
Plaintext
#--MACROS
|
|
|
|
SMTP_PORT = 25 : 465 : 587
|
|
LOCAL_INTERFACES = <; 0.0.0.0 ; ::0
|
|
CONFDIR = /etc/exim4
|
|
|
|
LOCAL_DOMAINS = @:localhost:dsearch;/etc/exim4/domains
|
|
ETC_MAILNAME =
|
|
LOCAL_DELIVERY = mail_spool
|
|
CHECK_RCPT_LOCAL_LOCALPARTS = ^[.] : ^.*[@%%!/|`#&?]
|
|
CHECK_RCPT_REMOTE_LOCALPARTS = ^[./|] : ^.*[@%%!`#&?] : ^.*/\\.\\./
|
|
|
|
DKIM_ENABLE = 1
|
|
DKIM_SELECTOR = x
|
|
DKIM_PRIVATE_KEY = /etc/exim4/dkim.key
|
|
DKIM_CANON = relaxed
|
|
DKIM_STRICT = 1
|
|
|
|
TLS_ENABLE = 1
|
|
TLS_ADVERTISE_HOSTS = *
|
|
TLS_CERTIFICATE = /etc/exim4/exim.crt
|
|
TLS_PRIVATEKEY = /etc/exim4/exim.key
|
|
TLS_VERIFY_CERTIFICATES = ${if exists{/etc/ssl/certs/ca-certificates.crt} {/etc/ssl/certs/ca-certificates.crt} {/dev/null}}
|
|
|
|
COURIERSOCKET = /var/run/courier/authdaemon/socket
|
|
|
|
ACL_SMTP_MAIL = acl_check_mail
|
|
ACL_SMTP_RCPT = acl_check_rcpt
|
|
ACL_SMTP_DATA = acl_check_data
|
|
|
|
# SPAMD_ENABLE = 1
|
|
# CLAMAV_ENABLE = 1
|
|
|
|
#--CONFIGURATION
|
|
|
|
hostlist relay_from_hosts = <; 127.0.0.1 ; ::1
|
|
|
|
keep_environment =
|
|
helo_accept_junk_hosts = *
|
|
|
|
daemon_smtp_ports = SMTP_PORT
|
|
local_interfaces = LOCAL_INTERFACES
|
|
domainlist local_domains = LOCAL_DOMAINS
|
|
qualify_domain = ETC_MAILNAME
|
|
|
|
gecos_pattern = ^([^,:]*)
|
|
gecos_name = $1
|
|
|
|
acl_smtp_mail = ACL_SMTP_MAIL
|
|
acl_smtp_rcpt = ACL_SMTP_RCPT
|
|
acl_smtp_data = ACL_SMTP_DATA
|
|
|
|
.ifdef SPAMD_ENABLE
|
|
spamd_address = 127.0.0.1 783
|
|
.endif
|
|
|
|
.ifdef CLAMAV_ENABLE
|
|
av_scanner = clamd:/var/run/clamav/clamd.ctl
|
|
.endif
|
|
|
|
local_from_check = false
|
|
local_sender_retain = true
|
|
untrusted_set_sender = *
|
|
|
|
ignore_bounce_errors_after = 2d
|
|
timeout_frozen_after = 7d
|
|
freeze_tell = postmaster
|
|
spool_directory = /var/spool/exim4
|
|
|
|
trusted_users = uucp
|
|
|
|
.ifdef TLS_ENABLE
|
|
tls_on_connect_ports = 465
|
|
tls_advertise_hosts = TLS_ADVERTISE_HOSTS
|
|
tls_certificate = TLS_CERTIFICATE
|
|
tls_privatekey = TLS_PRIVATEKEY
|
|
tls_verify_certificates = TLS_VERIFY_CERTIFICATES
|
|
.endif
|
|
|
|
|
|
begin acl
|
|
|
|
acl_check_mail:
|
|
.ifdef CHECK_MAIL_HELO_ISSUED
|
|
deny
|
|
message = no HELO given before MAIL command
|
|
condition = ${if def:sender_helo_name {no}{yes}}
|
|
.endif
|
|
|
|
accept
|
|
|
|
acl_check_rcpt:
|
|
accept
|
|
hosts = :
|
|
control = dkim_disable_verify
|
|
|
|
.ifdef CHECK_RCPT_LOCAL_LOCALPARTS
|
|
deny
|
|
domains = +local_domains
|
|
local_parts = CHECK_RCPT_LOCAL_LOCALPARTS
|
|
message = restricted characters in address
|
|
.endif
|
|
|
|
.ifdef CHECK_RCPT_REMOTE_LOCALPARTS
|
|
deny
|
|
domains = !+local_domains
|
|
local_parts = CHECK_RCPT_REMOTE_LOCALPARTS
|
|
message = restricted characters in address
|
|
.endif
|
|
|
|
accept
|
|
.ifndef CHECK_RCPT_POSTMASTER
|
|
local_parts = postmaster
|
|
.else
|
|
local_parts = CHECK_RCPT_POSTMASTER
|
|
.endif
|
|
domains = +local_domains
|
|
|
|
.ifdef CHECK_RCPT_VERIFY_SENDER
|
|
deny
|
|
message = Sender verification failed
|
|
!verify = sender
|
|
.endif
|
|
|
|
accept
|
|
authenticated = *
|
|
control = submission/sender_retain
|
|
control = dkim_disable_verify
|
|
|
|
accept
|
|
hosts = +relay_from_hosts
|
|
control = submission/sender_retain
|
|
control = dkim_disable_verify
|
|
|
|
require
|
|
message = relay not permitted
|
|
domains = +local_domains
|
|
|
|
require
|
|
verify = recipient
|
|
|
|
.ifdef CHECK_RCPT_SPF
|
|
deny
|
|
message = [SPF] $sender_host_address is not allowed to send mail from \
|
|
${if def:sender_address_domain {$sender_address_domain}{$sender_helo_name}}. \
|
|
Please see \
|
|
http://www.openspf.org/Why?scope=${if def:sender_address_domain \
|
|
{mfrom}{helo}};identity=${if def:sender_address_domain \
|
|
{$sender_address}{$sender_helo_name}};ip=$sender_host_address
|
|
log_message = SPF check failed.
|
|
condition = ${run{/usr/bin/spfquery.mail-spf-perl --ip \
|
|
\"$sender_host_address\" --identity \
|
|
${if def:sender_address_domain \
|
|
{--scope mfrom --identity \"$sender_address\"}\
|
|
{--scope helo --identity \"$sender_helo_name\"}}}\
|
|
{no}{${if eq {$runrc}{1}{yes}{no}}}}
|
|
|
|
defer
|
|
message = Temporary DNS error while checking SPF record. Try again later.
|
|
condition = ${if eq {$runrc}{5}{yes}{no}}
|
|
|
|
warn
|
|
condition = ${if <={$runrc}{6}{yes}{no}}
|
|
add_header = Received-SPF: ${if eq {$runrc}{0}{pass}\
|
|
{${if eq {$runrc}{2}{softfail}\
|
|
{${if eq {$runrc}{3}{neutral}\
|
|
{${if eq {$runrc}{4}{permerror}\
|
|
{${if eq {$runrc}{6}{none}{error}}}}}}}}}\
|
|
} client-ip=$sender_host_address; \
|
|
${if def:sender_address_domain \
|
|
{envelope-from=${sender_address}; }{}}\
|
|
helo=$sender_helo_name
|
|
|
|
warn
|
|
log_message = Unexpected error in SPF check.
|
|
condition = ${if >{$runrc}{6}{yes}{no}}
|
|
.endif
|
|
|
|
|
|
.ifdef CHECK_RCPT_IP_DNSBLS
|
|
warn
|
|
dnslists = CHECK_RCPT_IP_DNSBLS
|
|
add_header = X-Warning: $sender_host_address is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
|
|
log_message = $sender_host_address is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
|
|
.endif
|
|
|
|
.ifdef CHECK_RCPT_DOMAIN_DNSBLS
|
|
warn
|
|
!senders = ${if exists{CONFDIR/local_domain_dnsbl_whitelist}\
|
|
{CONFDIR/local_domain_dnsbl_whitelist}\
|
|
{}}
|
|
dnslists = CHECK_RCPT_DOMAIN_DNSBLS
|
|
add_header = X-Warning: $sender_address_domain is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
|
|
log_message = $sender_address_domain is listed at $dnslist_domain ($dnslist_value: $dnslist_text)
|
|
.endif
|
|
|
|
accept
|
|
|
|
|
|
acl_check_data:
|
|
|
|
accept authenticated = *
|
|
|
|
.ifdef CLAMAV_ENABLE
|
|
deny malware = *
|
|
message = This message was detected as possible malware ($malware_name).
|
|
.endif
|
|
|
|
.ifdef SPAMD_ENABLE
|
|
warn spam = debian-spamd
|
|
add_header = X-Spam-Score: $spam_score ($spam_bar)
|
|
add_header = X-Spam-Report: $spam_report
|
|
add_header = Subject: ***SPAM (score:$spam_score)*** $h_Subject:
|
|
control = fakereject
|
|
.endif
|
|
|
|
deny message = Message headers fail syntax check
|
|
!verify = header_syntax
|
|
|
|
accept
|
|
|
|
begin routers
|
|
|
|
maildir_spam:
|
|
driver = accept
|
|
transport = maildir_spam_delivery
|
|
condition = ${if def:h_X-Spam-Score: {true}}
|
|
condition = ${if >{$spam_score_int}{1}}
|
|
condition = ${if match {$h_Subject:}{SPAM}}
|
|
|
|
vforward:
|
|
debug_print = "R: vforward for $local_part@$domain"
|
|
driver = redirect
|
|
allow_defer
|
|
allow_fail
|
|
domains = +local_domains
|
|
file = /etc/exim4/forward/$local_part@$domain
|
|
file_transport = address_file
|
|
pipe_transport = address_pipe
|
|
|
|
vdomain:
|
|
debug_print = "R: vdomain for $local_part@$domain"
|
|
driver = accept
|
|
domains = dsearch;/etc/exim4/domains
|
|
local_parts = lsearch;/etc/exim4/domains/$domain
|
|
transport = vmail
|
|
|
|
dnslookup:
|
|
debug_print = "R: dnslookup for $local_part@$domain"
|
|
driver = dnslookup
|
|
domains = ! +local_domains
|
|
transport = remote_smtp
|
|
headers_remove = received
|
|
same_domain_copy_routing = yes
|
|
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
|
|
172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16
|
|
no_more
|
|
|
|
nonlocal:
|
|
debug_print = "R: nonlocal for $local_part@$domain"
|
|
driver = redirect
|
|
domains = ! +local_domains
|
|
allow_fail
|
|
data = :fail: Mailing to remote domains not supported
|
|
no_more
|
|
|
|
|
|
COND_LOCAL_SUBMITTER = "\
|
|
${if match_ip{$sender_host_address}{:@[]}\
|
|
{1}{0}\
|
|
}"
|
|
|
|
real_local:
|
|
debug_print = "R: real_local for $local_part@$domain"
|
|
driver = accept
|
|
domains = +local_domains
|
|
condition = COND_LOCAL_SUBMITTER
|
|
local_part_prefix = real-
|
|
check_local_user
|
|
transport = LOCAL_DELIVERY
|
|
|
|
procmail:
|
|
debug_print = "R: procmail for $local_part@$domain"
|
|
driver = accept
|
|
domains = +local_domains
|
|
check_local_user
|
|
transport = procmail_pipe
|
|
# emulate OR with "if exists"-expansion
|
|
require_files = ${local_part}:\
|
|
${if exists{/etc/procmailrc}\
|
|
{/etc/procmailrc}{${home}/.procmailrc}}:\
|
|
+/usr/bin/procmail
|
|
no_verify
|
|
no_expn
|
|
|
|
maildrop:
|
|
debug_print = "R: maildrop for $local_part@$domain"
|
|
driver = accept
|
|
domains = +local_domains
|
|
check_local_user
|
|
transport = maildrop_pipe
|
|
require_files = ${local_part}:${home}/.mailfilter:+/usr/bin/maildrop
|
|
no_verify
|
|
no_expn
|
|
|
|
local_user:
|
|
debug_print = "R: local_user for $local_part@$domain"
|
|
driver = accept
|
|
domains = +local_domains
|
|
check_local_user
|
|
local_parts = ! root
|
|
transport = LOCAL_DELIVERY
|
|
cannot_route_message = Unknown user
|
|
|
|
system_aliases:
|
|
debug_print = "R: system_aliases for $local_part@$domain"
|
|
driver = redirect
|
|
domains = +local_domains
|
|
allow_fail
|
|
allow_defer
|
|
data = ${lookup{$local_part}lsearch{/etc/aliases}}
|
|
file_transport = address_file
|
|
user = mail
|
|
group = mail
|
|
|
|
mail4root:
|
|
debug_print = "R: mail4root for $local_part@$domain"
|
|
driver = redirect
|
|
domains = +local_domains
|
|
data = /var/mail/mail
|
|
file_transport = address_file
|
|
local_parts = root
|
|
user = mail
|
|
group = mail
|
|
|
|
|
|
begin transports
|
|
|
|
maildir_spam_delivery:
|
|
driver = appendfile
|
|
maildir_format = true
|
|
directory = /var/vmail/$domain/spam
|
|
user = mail
|
|
create_directory
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
group = mail
|
|
mode = 0600
|
|
|
|
vmail:
|
|
debug_print = "T: vmail for $local_part@$domain"
|
|
driver = appendfile
|
|
user = mail
|
|
maildir_format = true
|
|
directory = /var/vmail/$domain/$local_part
|
|
create_directory
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
group = mail
|
|
mode = 0600
|
|
|
|
mail_spool:
|
|
debug_print = "T: appendfile for $local_part@$domain"
|
|
driver = appendfile
|
|
file = /var/mail/$local_part
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
group = mail
|
|
mode = 0660
|
|
mode_fail_narrower = false
|
|
|
|
maildir_home:
|
|
debug_print = "T: maildir_home for $local_part@$domain"
|
|
driver = appendfile
|
|
.ifdef MAILDIR_HOME_MAILDIR_LOCATION
|
|
directory = MAILDIR_HOME_MAILDIR_LOCATION
|
|
.else
|
|
directory = $home/Maildir
|
|
.endif
|
|
.ifdef MAILDIR_HOME_CREATE_DIRECTORY
|
|
create_directory
|
|
.endif
|
|
.ifdef MAILDIR_HOME_CREATE_FILE
|
|
create_file = MAILDIR_HOME_CREATE_FILE
|
|
.endif
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
maildir_format
|
|
.ifdef MAILDIR_HOME_DIRECTORY_MODE
|
|
directory_mode = MAILDIR_HOME_DIRECTORY_MODE
|
|
.else
|
|
directory_mode = 0700
|
|
.endif
|
|
.ifdef MAILDIR_HOME_MODE
|
|
mode = MAILDIR_HOME_MODE
|
|
.else
|
|
mode = 0600
|
|
.endif
|
|
mode_fail_narrower = false
|
|
|
|
maildrop_pipe:
|
|
debug_print = "T: maildrop_pipe for $local_part@$domain"
|
|
driver = pipe
|
|
path = "/bin:/usr/bin:/usr/local/bin"
|
|
command = "/usr/bin/maildrop"
|
|
return_path_add
|
|
delivery_date_add
|
|
envelope_to_add
|
|
|
|
procmail_pipe:
|
|
debug_print = "T: procmail_pipe for $local_part@$domain"
|
|
driver = pipe
|
|
path = "/bin:/usr/bin:/usr/local/bin"
|
|
command = "/usr/bin/procmail"
|
|
return_path_add
|
|
delivery_date_add
|
|
envelope_to_add
|
|
|
|
remote_smtp:
|
|
debug_print = "T: remote_smtp for $local_part@$domain"
|
|
driver = smtp
|
|
.ifdef DKIM_ENABLE
|
|
dkim_domain = $sender_address_domain
|
|
.ifdef DKIM_SELECTOR
|
|
dkim_selector = DKIM_SELECTOR
|
|
.endif
|
|
.ifdef DKIM_PRIVATE_KEY
|
|
dkim_private_key = DKIM_PRIVATE_KEY
|
|
.endif
|
|
.ifdef DKIM_CANON
|
|
dkim_canon = DKIM_CANON
|
|
.endif
|
|
.ifdef DKIM_STRICT
|
|
dkim_strict = DKIM_STRICT
|
|
.endif
|
|
.ifdef DKIM_SIGN_HEADERS
|
|
dkim_sign_headers = DKIM_SIGN_HEADERS
|
|
.endif
|
|
.endif
|
|
|
|
address_file:
|
|
debug_print = "T: address_file for $local_part@$domain"
|
|
driver = appendfile
|
|
delivery_date_add
|
|
envelope_to_add
|
|
return_path_add
|
|
|
|
address_pipe:
|
|
debug_print = "T: address_pipe for $local_part@$domain"
|
|
driver = pipe
|
|
return_fail_output
|
|
|
|
address_reply:
|
|
debug_print = "T: autoreply for $local_part@$domain"
|
|
driver = autoreply
|
|
|
|
|
|
|
|
begin retry
|
|
* * F,2h,15m; G,16h,1h,1.5; F,4d,6h
|
|
|
|
|
|
begin rewrite
|
|
|
|
begin authenticators
|
|
|
|
login:
|
|
driver = plaintext
|
|
public_name = LOGIN
|
|
server_prompts = Username:: : Password::
|
|
server_condition = ${extract {address} {${readsocket{COURIERSOCKET} \
|
|
{AUTH ${strlen:exim\nlogin\n$1\n$2\n}\nexim\nlogin\n$1\n$2\n} }} {yes} fail}
|
|
server_set_id = $1
|
|
|
|
plain:
|
|
driver = plaintext
|
|
public_name = PLAIN
|
|
server_prompts = :
|
|
server_condition = ${extract {address} {${readsocket{COURIERSOCKET} \
|
|
{AUTH ${strlen:exim\nlogin\n$2\n$3\n}\nexim\nlogin\n$2\n$3\n} }} {yes} fail}
|
|
server_set_id = $2
|
|
server_advertise_condition = ${if eq{$tls_cipher}{} {no} {yes}}
|