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divert(-1)dnldnl #dnl # This is the sendmail macro config file for m4. If you make changes todnl # /etc/mail/sendmail.mc, you will need to regenerate thednl # /etc/mail/sendmail.cf file by confirming that the sendmail-cf package isdnl # installed and then performing adnl #dnl # /etc/mail/makednl #include(`/usr/share/sendmail-cf/m4/cf.m4')dnlVERSIONID(`setup for linux')dnlOSTYPE(`linux')dnldnl #dnl # Do not advertize sendmail version.dnl #dnl define(`confSMTP_LOGIN_MSG', `$j Sendmail; $b')dnldnl #dnl # default logging level is 9, you might want to set it higher todnl # debug the configurationdnl #dnl define(`confLOG_LEVEL', `9')dnldnl #dnl # Uncomment and edit the following line if your outgoing mail needs todnl # be sent out through an external mail server:dnl #dnl define(`SMART_HOST', `10.192.25.240')dnldnl #define(`confDEF_USER_ID', ``8:12'')dnldnl define(`confAUTO_REBUILD')dnldefine(`confTO_CONNECT', `1m')dnldefine(`confTRY_NULL_MX_LIST', `True')dnldefine(`confDONT_PROBE_INTERFACES', `True')dnldefine(`PROCMAIL_MAILER_PATH', `/usr/bin/procmail')dnldefine(`ALIAS_FILE', `/etc/aliases')dnldefine(`STATUS_FILE', `/var/log/mail/statistics')dnldefine(`UUCP_MAILER_MAX', `2000000')dnldefine(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnldefine(`confPRIVACY_FLAGS', `authwarnings,novrfy,noexpn,restrictqrun')dnldefine(`confAUTH_OPTIONS', `A')dnldnl #dnl # The following allows relaying if the user authenticates, and disallowsdnl # plaintext authentication (PLAIN/LOGIN) on non-TLS linksdnl #dnl define(`confAUTH_OPTIONS', `A p')dnldnl #dnl # PLAIN is the preferred plaintext authentication method and used bydnl # Mozilla Mail and Evolution, though Outlook Express and other MUAs dodnl # use LOGIN. Other mechanisms should be used if the connection is notdnl # guaranteed secure.dnl # Please remember that saslauthd needs to be running for AUTH.dnl #dnl TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnldnl define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnldnl #dnl # Rudimentary information on creating certificates for sendmail TLS:dnl # cd /etc/pki/tls/certs; make sendmail.pemdnl # Complete usage:dnl # make -C /etc/pki/tls/certs usagednl #dnl define(`confCACERT_PATH', `/etc/pki/tls/certs')dnldnl define(`confCACERT', `/etc/pki/tls/certs/ca-bundle.crt')dnldnl define(`confSERVER_CERT', `/etc/pki/tls/certs/sendmail.pem')dnldnl define(`confSERVER_KEY', `/etc/pki/tls/certs/sendmail.pem')dnldnl #dnl # This allows sendmail to use a keyfile that is shared with OpenLDAP'sdnl # slapd, which requires the file to be readble by group ldapdnl #dnl define(`confDONT_BLAME_SENDMAIL', `groupreadablekeyfile')dnldnl #dnl define(`confTO_QUEUEWARN', `4h')dnldnl define(`confTO_QUEUERETURN', `5d')dnldnl define(`confQUEUE_LA', `12')dnldnl define(`confREFUSE_LA', `18')dnldefine(`confTO_IDENT', `0')dnldnl FEATURE(delay_checks)dnlFEATURE(`no_default_msa', `dnl')dnlFEATURE(`smrsh', `/usr/sbin/smrsh')dnlFEATURE(`mailertable', `hash -o /etc/mail/mailertable.db')dnlFEATURE(`virtusertable', `hash -o /etc/mail/virtusertable.db')dnlFEATURE(redirect)dnlFEATURE(always_add_domain)dnlFEATURE(use_cw_file)dnlFEATURE(use_ct_file)dnldnl #dnl # The following limits the number of processes sendmail can fork to acceptdnl # incoming messages or process its message queues to 20.) sendmail refusesdnl # to accept connections once it has reached its quota of child processes.dnl #dnl define(`confMAX_DAEMON_CHILDREN', `20')dnldnl #dnl # Limits the number of new connections per second. This caps the overheaddnl # incurred due to forking new sendmail processes. May be useful againstdnl # DoS attacks or barrages of spam. (As mentioned below, a per-IP addressdnl # limit would be useful but is not available as an option at this writing.)dnl #dnl define(`confCONNECTION_RATE_THROTTLE', `3')dnldnl #dnl # The -t option will retry delivery if e.g. the user runs over his quota.dnl #FEATURE(local_procmail, `', `procmail -t -Y -a $h -d $u')dnlFEATURE(`access_db', `hash -T<TMPF> -o /etc/mail/access.db')dnlFEATURE(`blacklist_recipients')dnlEXPOSED_USER(`root')dnldnl #dnl # For using Cyrus-IMAPd as POP3/IMAP server through LMTP delivery uncommentdnl # the following 2 definitions and activate below in the MAILER section thednl # cyrusv2 mailer.dnl #dnl define(`confLOCAL_MAILER', `cyrusv2')dnldnl define(`CYRUSV2_MAILER_ARGS', `FILE /var/lib/imap/socket/lmtp')dnldnl #dnl # The following causes sendmail to only listen on the IPv4 loopback addressdnl # 127.0.0.1 and not on any other network devices. Remove the loopbackdnl # address restriction to accept email from the internet or intranet.dnl #DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnldnl #dnl # The following causes sendmail to additionally listen to port 587 fordnl # mail from MUAs that authenticate. Roaming users who can't reach theirdnl # preferred sendmail daemon due to port 25 being blocked or redirected finddnl # this useful.dnl #dnl DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnldnl #dnl # The following causes sendmail to additionally listen to port 465, butdnl # starting immediately in TLS mode upon connecting. Port 25 or 587 followeddnl # by STARTTLS is preferred, but roaming clients using Outlook Express can'tdnl # do STARTTLS on ports other than 25. Mozilla Mail can ONLY use STARTTLSdnl # and doesn't support the deprecated smtps; Evolution <1.1.1 uses smtpsdnl # when SSL is enabled-- STARTTLS support is available in version 1.1.1.dnl #dnl # For this to work your OpenSSL certificates must be configured.dnl #dnl DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnldnl #dnl # The following causes sendmail to additionally listen on the IPv6 loopbackdnl # device. Remove the loopback address restriction listen to the network.dnl #dnl DAEMON_OPTIONS(`port=smtp,Addr=::1, Name=MTA-v6, Family=inet6')dnldnl #dnl # enable both ipv6 and ipv4 in sendmail:dnl #dnl DAEMON_OPTIONS(`Name=MTA-v4, Family=inet, Name=MTA-v6, Family=inet6')dnl #dnl # We strongly recommend not accepting unresolvable domains if you want todnl # protect yourself from spam. However, the laptop and users on computersdnl # that do not have 24x7 DNS do need this.dnl #FEATURE(`accept_unresolvable_domains')dnldnl #dnl FEATURE(`relay_based_on_MX')dnldnl #dnl # Also accept email sent to "localhost.localdomain" as local email.dnl #LOCAL_DOMAIN(`localhost.localdomain')dnldnl #dnl # The following example makes mail from this host and any additionaldnl # specified domains appear to be sent from mydomain.comdnl #dnl MASQUERADE_AS(`mydomain.com')dnldnl #dnl # masquerade not just the headers, but the envelope as welldnl #dnl FEATURE(masquerade_envelope)dnldnl #dnl # masquerade not just @mydomainalias.com, but @*.mydomainalias.com as welldnl #dnl FEATURE(masquerade_entire_domain)dnldnl #dnl MASQUERADE_DOMAIN(localhost)dnldnl MASQUERADE_DOMAIN(localhost.localdomain)dnldnl MASQUERADE_DOMAIN(mydomainalias.com)dnldnl MASQUERADE_DOMAIN(mydomain.lan)dnlMAILER(smtp)dnlMAILER(procmail)dnldnl MAILER(cyrusv2)dnl