I still have trouble with mail delivery failed spam. My exim.conf now is:
primary_hostname = mail.domain.com
domainlist local_domains = domain.com
domainlist domains_we_reject = *.*.*.ru:*.*.ru:*.ru:*.br:*.in:*.cn:*.rus
domainlist relay_to_domains =
hostlist relay_from_hosts = 127.0.0.1: 192.168.0.0/16
log_file_path = syslog
message_size_limit = 30M
smtp_receive_timeout=5m
smtp_accept_queue = 100
smtp_accept_max = 40
smtp_accept_max_per_host = 5
acl_smtp_rcpt = acl_check_rcpt
acl_smtp_data = acl_check_data
av_scanner = clamd:/var/run/clamav/clamd.sock
spamd_address = /var/run/spamd.sock
#spamd_address = 127.0.0.1 783
never_users = root
#host_lookup =
host_lookup = 0.0.0.0/0
host_lookup_order = byaddr
rfc1413_hosts = *
rfc1413_query_timeout = 0s
ignore_bounce_errors_after = 1d
errors_reply_to = postmaster@???
timeout_frozen_after = 3d
helo_try_verify_hosts = !+relay_from_hosts
helo_allow_chars =
begin acl
acl_check_rcpt:
check_recipient:
# stop bounce from us, lets do it by sender's server
accept domains = +local_domains
endpass
message = unknown user
verify = recipient
accept hosts = :
deny
log_message = match in spam list
dnslists = bl.spamcop.net:sbl.spamhaus.org
deny sender_domains = +domains_we_reject
message = Unknown users
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
require verify = sender
accept domains = +local_domains
endpass
verify = recipient
accept hosts = +relay_from_hosts
control = submission
domains = !+local_domains
accept authenticated = *
control = submission
accept domains = +relay_to_domains
endpass
verify = recipient
deny message = relay not permitted
acl_check_data:
deny message = Serious MIME defect detected ($demime_reason)
demime = *
deny message = This message contains a virus ($malware_name) and has
been rejected.
# skip virus check when message is larger than 1MB
condition = ${if <{$message_size}{1m}{1}{0}}
demime = *
malware = *
# Messages larger than 150k are accepted without spam scanning to reduce
spamd load
accept condition = ${if >{$message_size}{150k}{true}}
warn message = X-SA-Report: $spam_report
spam = mail:true
condition = ${if >{$spam_score_int}{0}{1}{0}}
warn message = X-SA-Status: Yes
spam = mail:true
condition = ${if >{$spam_score_int}{40}{1}{0}}
deny message = This message scored $spam_score spam points.
spam = mail:true
condition = ${if >{$spam_score_int}{120}{1}{0}}
# warn message = X-Spam_score: $spam_score\n\
# X-Spam_score_int: $spam_score_int:\n\
# X-Spam_bar: $spam_bar\n\
# X-Spam_report: $spam_report
# X-Spam_flag: Yes
# condition = ${if <{$message_size}{500k}{1}{0}}
# spam = mail:true
# deny message = This message was classified as SPAM
# condition = ${if >{$spam_score_int}{55}}
accept
begin routers
spamassassin_router:
driver = accept
transport = spamassassin
condition = ${if eq {$received_protocol}{smtp}{}}
no_verify
no_more
first_liases:
driver = redirect
domains = +local_domains
data = ${lookup{$local_part@$domain}lsearch{/etc/aliases}}
user = mail
file_transport = address_file
pipe_transport = address_pipe
allow_fail
allow_defer
localuser:
driver = accept
domains = +local_domains
check_local_user
address_data = "spam_score=40 use_spam_folder=1 mark_spam_prio=1"
transport = local_delivery
cannot_route_message = Unknown user
no_more
dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more
last_fail:
driver = redirect
allow_fail
data = :fail:No such user $local_part at $domain
no_more
begin transports
# This transport is used for delivering messages over SMTP connections.
remote_smtp:
driver = smtp
local_delivery:
driver = appendfile
user = $local_part
group = mail
maildir_format
delivery_date_add
envelope_to_add
return_path_add
mode = 0660
headers_remove=${if
and{{MARK_SPAM}{or{{IS_SPAM}{IS_LOW_PRIO}}}}{X-MSMail-Priority:X-Priority}{}}
headers_add = ${if and{{MARK_SPAM}{IS_SPAM}}{X-MSMail-Priority: Low}{}}
directory = $home/Maildir${if and{{IS_SPAM}{USE_SPAM_FLDR}}{/.SPAM}{}}
address_pipe:
driver = pipe
return_output
address_file:
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
address_reply:
driver = autoreply
antivirus:
driver = pipe
batch_max = 200
command = /bin/nice -19 /inet/src/scan/ph ${pipe_addresses}
return_output = false
return_path_add = false
user = mail
group = mail
spamassassin:
driver = pipe
use_bsmtp = true
command = /usr/exim/bin/exim -bS -oMr sa-checked
transport_filter = /usr/bin/spamc -f
home_directory = /tmp
current_directory = /tmp
user = mail
group = mail
log_output = true
return_fail_output = true
begin retry
begin rewrite
begin authenticators
dovecot_plain:
driver = dovecot
public_name = LOGIN
#server_prompts = "Username:: : Password::"
server_socket = /var/run/dovecot/auth-client
--
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