SendMail
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Sendmail-Config inkl.
- Spamschutz mit spamassassin
- Virenscan mit ClamAV
- Razor
- Smtp_Auth
- Mimedefang, Sendmail-Filter, um Spam/Virenschutz einzubauen
Die /etc/mail/sendmail.mc muss entsprechend angepaßt werden:
divert(-1)dnl
#-----------------------------------------------------------------------------
# $Sendmail: debproto.mc,v 8.13.4 2005-06-03 16:49:22 cowboy Exp $
#
# Copyright (c) 1998-2005 Richard Nelson. All Rights Reserved.
#
# cf/debian/sendmail.mc. Generated from sendmail.mc.in by configure.
#
# sendmail.mc prototype config file for building Sendmail 8.13.4
#
# Note: the .in file supports 8.7.6 - 9.0.0, but the generated
# file is customized to the version noted above.
#
# This file is used to configure Sendmail for use with Debian systems.
#
# If you modify this file, you will have to regenerate /etc/mail/sendmail.cf
# by running this file through the m4 preprocessor via one of the following:
# * `sendmailconfig`
# * `make`
# * `m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf`
# The first two options are preferred as they will also update other files
# that depend upon the contents of this file.
#
# The best documentation for this .mc file is:
# /usr/share/doc/sendmail-doc/cf.README.gz
#
#-----------------------------------------------------------------------------
divert(0)dnl
#
# Copyright (c) 1998-2005 Richard Nelson. All Rights Reserved.
#
# This file is used to configure Sendmail for use with Debian systems.
#
define(`_USE_ETC_MAIL_')dnl
include(`/usr/share/sendmail/cf/m4/cf.m4')dnl
include(`/etc/mail/tls/starttls.m4')dnl
include(`/etc/mail/sasl/sasl.m4')dnl
define(`confAUTH_OPTIONS', `A p')dnl
VERSIONID(`$Id: sendmail.mc, v 8.13.4-3 2005-06-03 16:49:22 cowboy Exp $')
define(`confSMTP_LOGIN_MSG', `gretchen.dyndns.info Mailserver; $b')
OSTYPE(`debian')dnl
DOMAIN(`debian-mta')dnl
dnl # Items controlled by /etc/mail/sendmail.conf - DO NOT TOUCH HERE
dnl undefine(`confHOST_STATUS_DIRECTORY')dnl #DAEMON_HOSTSTATS=
dnl # Items controlled by /etc/mail/sendmail.conf - DO NOT TOUCH HERE
dnl #
dnl # General defines
dnl #
dnl # SAFE_FILE_ENV: [undefined] If set, sendmail will do a chroot()
dnl # into this directory before writing files.
dnl # If *all* your user accounts are under /home then use that
dnl # instead - it will prevent any writes outside of /home !
dnl # define(`confSAFE_FILE_ENV', `')dnl
dnl #
dnl # Daemon options - restrict to servicing LOCALHOST ONLY !!!
dnl # Remove `, Addr=' clauses to receive from any interface
dnl # If you want to support IPv6, switch the commented/uncommentd lines
FEATURE(`no_default_msa')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MTA-v6, Port=smtp, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MTA-v4, Port=smtp')dnl
dnl DAEMON_OPTIONS(`Family=inet6, Name=MSP-v6, Port=submission, Addr=::1')dnl
DAEMON_OPTIONS(`Family=inet, Name=MSP-v4, Port=submission')dnl
DAEMON_OPTIONS(`Family=inet, Port=465, Name=MTA-SSL, M=s')dnl
dnl #
dnl # Be somewhat anal in what we allow
define(`confPRIVACY_FLAGS',dnl
`needmailhelo,needexpnhelo,needvrfyhelo,restrictqrun,restrictexpand,nobodyreturn,authwarnings')dnl
dnl #
dnl # Define connection throttling and window length
define(`confCONNECTION_RATE_THROTTLE', `50')dnl
define(`confCONNECTION_RATE_WINDOW_SIZE',`10m')dnl
define(`confDOMAIN_NAME', `gretchen.dyndns.info')dnl
FEATURE(`use_cw_file')dnl
# Anti Spam
FEATURE(`enhdnsbl', `bl.spamcop.net', `"Spam blocked see: http://spamcop.net/bl.shtml?"$&{client_addr}', `t')dnl
FEATURE(`dnsbl', `relays.ordb.org', `"550 Email rejected due to sending server misconfiguration - see http://www.ordb.org/faq/\#why_rejected"')dnl
FEATURE(`dnsbl',`sbl.spamhaus.org',`Rejected - see http://spamhaus.org/')dnl
FEATURE(`dnsbl',`dnsbl.sorbs.net',`"554 Rejected " $&{client_addr} " found in dnsbl.sorbs.net"')dnl
FEATURE(`dnsbl', `blacklist.spambag.org', `"571 SPAM MAIL REJECTED from "$&{client_name}" by blacklist.spambag.org! Please see http://www.spambag.org for details.'")dnl
FEATURE(`dnsbl', `ix.dnsbl.manitu.net', `"571 SPAM MAIL REJECTED from "$&{client_name}" by ix.dnsbl.manitu.net! Please see http://ix.dnsbl.manitu.net for details.'")dnl
FEATURE(`dnsbl', `countries.blackholes.us', `"Spam blocked!i See http://www.blackholes.us/"')dnl
FEATURE(`dnsbl',`rsbl.aupads.org',`"550 Mail from " $&{client_addr} " refused: spam site. See http://www.aupads.org/cgi-bin/rsbl-lookup?host_to_find="$&{client_addr}""')dnl
FEATURE(`dnsbl',`orvedb.aupads.org',`"550 Mail from " $&{client_addr} " refused: open relay. See: http://www.aupads.org/cgi-bin/ordb-lookup?host_to_find="$&{client_add}""')dnl
FEATURE(`dnsbl',`duinv.aupads.org',`"550 Mail from host " $&{client_addr} " refused: We do not accept deliveries direct from remote dialups. Use your ISPs local SMTP server or authenticate via
POP3 first. See http://www.aupads.org/cgi-bin/duinv-lookup?host_to_find="$&{client_addr}""')dnl
FEATURE(dnsbl,`blackholes.mail-abuse.org',` Mail from $&{client_addr} rejected; see http://mail-abuse.org/cgi-bin/lookup?$& {client_addr}')dnl
FEATURE(dnsbl,`dialups.mail-abuse.org',` Mail from dial-up rejected; see http://mail-abuse.org/dul/enduser.htm')dnl
FEATURE(rhsbl,`dsn.rfc-ignorant.org',`"550 Mail from domain " $`'&{RHS} " refused. MX of domain do not accept bounces. This violates RFC 821/2505/2821 - see http://www.rfc-ignorant.org/"')
FEATURE(rhsbl,`postmaster.rfc-ignorant.org',`"550 Mail from domain " $`'&{RHS} " refused. MX of domain does not have a working postmaster address - see http://www.rfc-ignorant.org/"')
FEATURE(virtusertable, `hash -o /etc/mail/virtusertable')dnl
dnl # The access db is the basis for most of sendmail's checking
dnl #FEATURE(`access_db', , `skip')dnl
FEATURE(`access_db')dnl
FEATURE(blacklist_recipients)dnl
dnl #
dnl # The greet_pause feature stops some automail bots - but check the
dnl # provided access db for details on excluding localhosts...
FEATURE(`greet_pause', `1000')dnl 1 seconds
dnl #
dnl # Delay_checks allows sender<->recipient checking
FEATURE(`delay_checks', `friend', `n')dnl
dnl #
dnl # If we get too many bad recipients, slow things down...
define(`confBAD_RCPT_THROTTLE',`3')dnl
dnl #
dnl # Stop connections that overflow our concurrent and time connection rates
FEATURE(`conncontrol', `nodelay', `terminate')dnl
FEATURE(`ratecontrol', `nodelay', `terminate')dnl
INPUT_MAIL_FILTER(`mimedefang', `S=unix:/var/spool/MIMEDefang/mimedefang.sock, F=T, T=S:1m;R:1m')dnl
dnl specify the sender email address for all outgoing mail from the local
dnl machine. most people also want to use "masquerade_envelope" to also
dnl change the envelope addresses.
dnl use "allmasquerade" to also change the recipient addresse. don't use
dnl this feature, if you don't have the full /etc/aliases and the full
dnl /etc/passwd on your host.
FEATURE(`masquerade_envelope')dnl
MASQUERADE_AS(`gretchen.dyndns.info')dnl
FEATURE(`always_add_domain')dnl
dnl #
dnl # If you're on a dialup link, you should enable this - so sendmail
dnl # will not bring up the link (it will queue mail for later)
dnl define(`confCON_EXPENSIVE',`True')dnl
dnl #
dnl # Default Mailer setup
MAILER_DEFINITIONS
MAILER(`local')dnl
MAILER(`smtp')dnl
Tools
http://www.sendmail.org/m4/features.html http://www.sendmail.org/m4/anti_spam.html http://www.completewhois.com/rbl_lookup.htm http://www.linux-fuer-alle.de/doc_show.php?docid=239&catid=15 http://www.nl.sorbs.net/mailsystems/sendmail.shtml http://www.heise.de/ix/nixspam/dnsbl/ http://www.rfc-ignorant.org/how_to_domain.php