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Name	Size	Permission
00_exim4-config_header	297 B	-rw-r--r--
20_exim4-config_local_deny_exc...	1.72 KB	-rw-r--r--
30_exim4-config_check_mail	265 B	-rw-r--r--
30_exim4-config_check_rcpt	15.04 KB	-rw-r--r--
40_exim4-config_check_data	3.14 KB	-rw-r--r--

Code Editor : 40_exim4-config_check_data

### acl/40_exim4-config_check_data
#################################

# This ACL is used after the contents of a message have been received. This
# is the ACL in which you can test a message's headers or body, and in
# particular, this is where you can invoke external virus or spam scanners.

acl_check_data:

# Deny if the message contains an overlong line.  Per the standards
  # we should never receive one such via SMTP.
  #
  .ifndef IGNORE_SMTP_LINE_LENGTH_LIMIT
  deny    message    = maximum allowed line length is 998 octets, \
                       got $max_received_linelength
          condition  = ${if > {$max_received_linelength}{998}}
  .endif

# Deny if the headers contain badly-formed addresses.
  #
  .ifndef NO_CHECK_DATA_VERIFY_HEADER_SYNTAX
  deny
    !acl = acl_local_deny_exceptions
    !verify = header_syntax
    message = header syntax
    log_message = header syntax ($acl_verify_message)
  .endif

# require that there is a verifiable sender address in at least
  # one of the "Sender:", "Reply-To:", or "From:" header lines.
  .ifdef CHECK_DATA_VERIFY_HEADER_SENDER
  deny
    message = No verifiable sender address in message headers
    !acl = acl_local_deny_exceptions
    !verify = header_sender
  .endif

# Deny if the message contains malware. Before enabling this check, you
  # must install a virus scanner and set the av_scanner option in the
  # main configuration.
  #
  # exim4-daemon-heavy must be used for this section to work.
  #
  # deny
  #   malware = *
  #   message = This message was detected as possible malware ($malware_name).

# Add headers to a message if it is judged to be spam. Before enabling this,
  # you must install SpamAssassin. You may also need to set the spamd_address
  # option in the main configuration.
  #
  # exim4-daemon-heavy must be used for this section to work.
  #
  # Please note that this is only suiteable as an example. See
  # /usr/share/doc/exim4-base/README.Debian.gz
  #
  # See the exim docs and the exim wiki for more suitable examples.
  #
  # # Remove internal headers
  # warn
  #   remove_header = X-Spam_score: X-Spam_score_int : X-Spam_bar : \
  #                   X-Spam_report
  #
  # warn
  #   condition = ${if <{$message_size}{120k}{1}{0}}
  #   # ":true" to add headers/acl variables even if not spam
  #   spam = nobody:true
  #   add_header = X-Spam_score: $spam_score
  #   add_header = X-Spam_bar: $spam_bar
  #   # Do not enable this unless you have shorted SpamAssassin's report
  #   #add_header = X-Spam_report: $spam_report
  #
  # Reject spam messages (score >15.0).
  # This breaks mailing list and forward messages.
  # deny
  #   message = Classified as spam (score $spam_score)
  #   condition = ${if <{$message_size}{120k}{1}{0}}
  #   condition = ${if >{$spam_score_int}{150}{true}{false}}

# This hook allows you to hook in your own ACLs without having to
  # modify this file. If you do it like we suggest, you'll end up with
  # a small performance penalty since there is an additional file being
  # accessed. This doesn't happen if you leave the macro unset.
  .ifdef CHECK_DATA_LOCAL_ACL_FILE
  .include CHECK_DATA_LOCAL_ACL_FILE
  .endif

# accept otherwise
  accept

${this.title}

Code Editor : 40_exim4-config_check_data