primary_hostname = smtp.dom.ain

hide mysql_servers = localhost/exim/exim/45hrVjdgZkJGY

domainlist local_domains = ${lookup mysql{SELECT `domain` \
FROM `domain` WHERE \
`domain`='${quote_mysql:$domain}' AND \
`active`='1'}}

domainlist relay_to_domains = ${lookup mysql{SELECT `domain` \
FROM `domain` WHERE \
`domain`='${quote_mysql:$domain}' AND \
`active`='1'}}

tls_certificate = /etc/exim/tls/fullchain.pem
tls_privatekey = /etc/exim/tls/privkey.pem
tls_on_connect_ports = 465
tls_advertise_hosts = *

hostlist   relay_from_hosts = localhost:127.0.0.0/8

acl_smtp_rcpt = acl_check_rcpt
acl_smtp_data = acl_check_data
acl_not_smtp = acl_not_smtp

qualify_domain = dom.ain

qualify_recipient = dom.ain

allow_domain_literals = false

exim_user = exim

exim_group = exim

never_users = root

 rfc1413_query_timeout = 0s

sender_unqualified_hosts = +relay_from_hosts
recipient_unqualified_hosts = +relay_from_hosts

ignore_bounce_errors_after = 45m

timeout_frozen_after = 15d


helo_accept_junk_hosts = 192.168.1.0/24

auto_thaw = 1h

smtp_banner = "$primary_hostname, ESMTP EXIM $version_number"

smtp_accept_max = 50

smtp_accept_max_per_connection = 25

smtp_connect_backlog = 30

smtp_accept_max_per_host = 20

split_spool_directory = true

remote_max_parallel = 15

return_size_limit = 70k

message_size_limit = 64M

helo_allow_chars = _

smtp_enforce_sync = true

log_selector = \
     +all_parents \
     +connection_reject \
     +incoming_interface \
     +lost_incoming_connection \
     +received_sender \
     +received_recipients \
     +smtp_confirmation \
     +smtp_syntax_error \
     +smtp_protocol_error \
     +queue_run

syslog_timestamp = no

begin acl

acl_not_smtp:
        deny message = Sender rate overlimit - $sender_rate / $sender_rate_period
        ratelimit = 30 / 1h / strict
        accept

acl_check_rcpt:

accept  hosts = :

deny    message       = "incorrect symbol in address"
domains       = +local_domains
local_parts   = ^[.] : ^.*[@%!/|]

deny    message       = "incorrect symbol in address"
domains       = !+local_domains
local_parts   = ^[./|] : ^.*[@%!] : ^.*/\\.\\./

accept  local_parts   = postmaster
domains       = +local_domains

deny    message       = "HELO/EHLO required by SMTP RFC"
condition     = ${if eq{$sender_helo_name}{}{yes}{no}}

accept  authenticated = *

deny    !authenticated = *
            sender_domains = +local_domains : +relay_to_domains
            message = "Warning! Authentication required!"

deny    message       = "Your IP in HELO - access denied!"
hosts         =  * : !+relay_from_hosts : !81-196.point.local
condition     = ${if eq{$sender_helo_name}\
{$sender_host_address}{true}{false}}

deny    condition     = ${if eq{$sender_helo_name}\
{$interface_address}{yes}{no}}
hosts         = !127.0.0.1 : !localhost : *
message       = "My IP in your HELO! Access denied!"

deny    condition     = ${if match{$sender_helo_name}\
{\N^\d+$\N}{yes}{no}}
hosts         = !127.0.0.1 : !localhost : *
message       = "Incorrect HELO string"


warn
     set acl_m0 = 30s

warn
hosts = +relay_from_hosts:4.3.2.1/32:192.168.1.0/24 #disable waits for 'friendly' hosts
set acl_m0 = 0s

warn
logwrite = Delay $acl_m0 for $sender_host_name \
[$sender_host_address] with HELO=$sender_helo_name. Mail \
from $sender_address to $local_part@$domain.
delay = $acl_m0

accept  domains       = +local_domains
     endpass
     message       = "No such user"
     verify        = recipient

accept  domains       = +relay_to_domains
     endpass
     message       = "i don't know how to relay to this address"
     verify        = recipient

deny    message       = "you in blacklist - $dnslist_domain \n $dnslist_text"
         dnslists      = opm.blitzed.org : \
                              cbl.abuseat.org : \
                              bl.csma.biz

accept  hosts         = +relay_from_hosts

deny    message       = "Homo hominus lupus est"

acl_check_data:

accept

begin routers

dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more

system_aliases:
driver      = redirect
allow_fail
allow_defer
data = ${lookup mysql{SELECT `goto` FROM `alias` WHERE \
`address`='${quote_mysql:$local_part@$domain}' OR \
`address`='${quote_mysql:@$domain}'}}

dovecot_user:
driver = accept
condition = ${lookup mysql{SELECT `goto` FROM \
`alias` WHERE \
`address`='${quote_mysql:$local_part@$domain}' OR \
`address`='${quote_mysql:@$domain}'}{yes}{no}}
transport = dovecot_delivery

begin transports

remote_smtp:
  driver = smtp
  dkim_domain = ${lc:${domain:$h_from:}}
  dkim_selector = x
  dkim_private_key = /etc/exim/dkim/private.key
  dkim_canon = relaxed

dovecot_delivery:
driver = pipe
command = /usr/libexec/dovecot/deliver -d $local_part@$domain
message_prefix =
message_suffix =
delivery_date_add
envelope_to_add
return_path_add
log_output
user = exim

address_pipe:
driver = pipe
return_output

address_reply:
driver = autoreply

begin retry

*                    *       F,2h,15m; G,16h,1h,1.5; F,4d,6h

begin rewrite

begin authenticators

auth_plain:
driver = plaintext
public_name = LOGIN
server_prompts = Username:: : Password::
server_condition = "${if crypteq{$2}{${lookup mysql{SELECT `password` FROM `mailbox` WHERE `username` = '${quote_mysql:$1}'}}}{yes}{no}}"
server_set_id = $1

auth_login:
driver = plaintext
public_name = PLAIN
server_condition = "${if crypteq{$3}{${lookup mysql{SELECT `password` FROM `mailbox` WHERE `username` = '${quote_mysql:$2}'}}}{yes}{no}}"
server_prompts = :
server_set_id = $2