primary_hostname = example.com

domainlist local_domains = @ : localhost : dsearch;/etc/exim/domains
domainlist relay_to_domains =
hostlist   relay_from_hosts = 127.0.0.1

acl_smtp_rcpt = acl_check_rcpt
acl_smtp_mime = acl_check_mime

tls_advertise_hosts = *
tls_certificate = /etc/pki/tls/certs/exim.pem
tls_privatekey = /etc/pki/tls/private/exim.pem

daemon_smtp_ports = 25 : 465 : 587

tls_on_connect_ports = 465

never_users = root

host_lookup = *

rfc1413_hosts = *
rfc1413_query_timeout = 5s

ignore_bounce_errors_after = 2d

timeout_frozen_after = 7d

auth_advertise_hosts = 

#message_size_limit = 1M


begin acl

acl_check_rcpt:

  accept  hosts = :

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

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

  accept  local_parts   = postmaster
          domains       = +local_domains

  accept  senders       = FETCHMAIL-DAEMON@*
          hosts         = localhost

  require verify        = sender

#  accept  domains       = +local_domains
#          endpass
#          verify        = recipient

  accept  domains       = +local_domains
          domains       = lsearch;/etc/exim/postini_filtered
          hosts         = *.postini.com
          endpass
          verify        = recipient

  accept  domains       = +local_domains
          domains       = !lsearch;/etc/exim/postini_filtered
          endpass
          verify        = recipient

  accept  domains       = +relay_to_domains
          endpass
          verify        = recipient

  accept  hosts         = +relay_from_hosts

  accept  authenticated = *

  deny    message       = relay not permitted


acl_check_mime:

  # File extension filtering.
  deny message = Blacklisted file extension detected
       condition = ${if match \
                        {${lc:$mime_filename}} \
                        {\N(\.exe|\.pif|\.bat|\.scr|\.lnk|\.com)$\N} \
                     {1}{0}}

  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

my_domains:
  driver = accept
  domains = dsearch;/etc/exim/domains
  local_parts = lsearch;/etc/exim/domains/$domain
  transport = my_mailboxes

virtual:
  driver = redirect
  allow_fail
  domains = dsearch;/etc/exim/virtual
  data = ${lookup{$local_part}lsearch*@{/etc/exim/virtual/$domain}}

userforward:
  driver = redirect
  check_local_user
  file = $home/.forward
  no_verify
  no_expn
  check_ancestor
  file_transport = address_file
  pipe_transport = address_pipe
  reply_transport = address_reply

system_aliases:
  driver = redirect
  allow_fail
  allow_defer
  domains = @
  data = ${lookup{$local_part}lsearch{/etc/aliases}}
  file_transport = address_file
  pipe_transport = address_pipe

redirectrootmail:
  driver = redirect
  local_parts = root
  data = mail@example.com

redirectusermail:
  driver = redirect
  domains = +local_domains
  condition = ${if exists{/etc/exim/userforward/$local_part}{true}{false}}
  data = ${readfile{/etc/exim/userforward/$local_part}}

localuser:
  driver = accept
  check_local_user
  transport = local_delivery
  cannot_route_message = Unknown user


begin transports

remote_smtp:
  driver = smtp

local_delivery:
  driver = appendfile
  file = /var/mail/$local_part
  delivery_date_add
  envelope_to_add
  return_path_add
  group = mail
  mode = 0660

address_pipe:
  driver = pipe
  return_output

address_file:
  driver = appendfile
  delivery_date_add
  envelope_to_add
  return_path_add

address_reply:
  driver = autoreply

#my_mailboxes:
#  driver = appendfile
#  quota = 100M
#  envelope_to_add
#  file = /var/exim/virtual/$domain/$local_part
#  user = mail

my_mailboxes:
  driver = appendfile
  quota = 100M
  delivery_date_add
  envelope_to_add
  file = ${extract{5}{:}{${lookup{${lookup{$domain}lsearch*{/etc/exim/userdomains}{$value}}}lsearch{/etc/passwd}{$value}}}}/mail/${domain}/${local_part}/mbox
  group = mail
  mode = 0660
  user = "${lookup{$domain}lsearch* {/etc/exim/userdomains}{$value}}"


begin retry

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


begin rewrite


begin authenticators

lookup_cram:
  driver = cram_md5
  public_name = CRAM-MD5
  server_secret = ${lookup{$1}lsearch{/etc/exim/authrelay}{$value}fail}
  server_set_id = $1

fixed_plain:
  driver = plaintext
  public_name = PLAIN
  server_prompts = :
  server_condition = ${lookup{$2}lsearch{/etc/exim/authrelay}{${if eq{$value}{$3}{yes}{no}}}{no}}
  server_set_id = $2

fixed_login:
  driver = plaintext
  public_name = LOGIN
  server_prompts = User Name : Password
  server_condition = ${lookup{$1}lsearch{/etc/exim/authrelay}{${if eq{$value}{$2}{yes}{no}}}{no}}
  server_set_id = $1