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93 lines
3.0 KiB
Plaintext
93 lines
3.0 KiB
Plaintext
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### router/200_exim4-config_primary
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#################################
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# This file holds the primary router, responsible for nonlocal mails
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.ifdef DCconfig_internet
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# configtype=internet
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#
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# deliver mail to the recipient if recipient domain is a domain we
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# relay for. We do not ignore any target hosts here since delivering to
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# a site local or even a link local address might be wanted here, and if
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# such an address has found its way into the MX record of such a domain,
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# the local admin is probably in a place where that broken MX record
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# could be fixed.
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dnslookup_relay_to_domains:
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debug_print = "R: dnslookup_relay_to_domains for $local_part@$domain"
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driver = dnslookup
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domains = ! +local_domains : +relay_to_domains
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transport = remote_smtp
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same_domain_copy_routing = yes
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dnssec_request_domains = *
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no_more
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# deliver mail directly to the recipient. This router is only reached
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# for domains that we do not relay for. Since we most probably can't
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# have broken MX records pointing to site local or link local IP
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# addresses fixed, we ignore target hosts pointing to these addresses.
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dnslookup:
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debug_print = "R: dnslookup for $local_part@$domain"
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driver = dnslookup
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domains = ! +local_domains
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transport = remote_smtp
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same_domain_copy_routing = yes
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# ignore private rfc1918 and APIPA addresses
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ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
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172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16 :\
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255.255.255.255
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dnssec_request_domains = *
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no_more
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.endif
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.ifdef DCconfig_local
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# configtype=local
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#
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# Stand-alone system, so generate an error for mail to a non-local domain
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nonlocal:
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debug_print = "R: nonlocal for $local_part@$domain"
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driver = redirect
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domains = ! +local_domains
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allow_fail
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data = :fail: Mailing to remote domains not supported
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no_more
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.endif
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.ifdef DCconfig_smarthost DCconfig_satellite
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# configtype=smarthost or configtype=satellite
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#
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# Send all non-local mail to a single other machine (smarthost).
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#
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# This means _ALL_ non-local mail goes to the smarthost. This will most
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# probably not do what you want for domains that are listed in
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# relay_domains. The most typical use for relay_domains is to control
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# relaying for incoming e-mail on secondary MX hosts. In that case,
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# it doesn't make sense to send the mail to the smarthost since the
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# smarthost will probably send the message right back here, causing a
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# loop.
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#
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# If you want to use a smarthost while being secondary MX for some
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# domains, you'll need to copy the dnslookup_relay_to_domains router
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# here so that mail to relay_domains is handled separately.
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smarthost:
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debug_print = "R: smarthost for $local_part@$domain"
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driver = manualroute
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domains = ! +local_domains
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transport = remote_smtp_smarthost
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route_list = * DCsmarthost byname
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host_find_failed = ignore
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same_domain_copy_routing = yes
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no_more
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.endif
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# The "no_more" above means that all later routers are for
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# domains in the local_domains list, i.e. just like Exim 3 directors.
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