# From /var/lib/misc / UD:
#
-# mail-forward.cdb - aliases for @d.o
-# user-forward.cdb - aliases for @thishost.d.o
+# mail-forward.db - aliases for @d.o
+# user-forward.db - aliases for @thishost.d.o
+#
+# Note that the BDB files generated by ud-ldap use keys that are not
+# null-terminated, so Exim needs to use the "dbmnz" lookup type, rather
+# than "dbm".
# Exim's wildcard mechanism is a bit odd in that to say "any address in
# debian.org including debian.org" you must use two patterns,
*.aspmx.l.google.com : *.gmail-smtp-in.l.google.com
domainlist single_domain_mx = +google_mxen
+domainlist ipv4_only_domain_mx = +google_mxen
<%- if @is_mailrelay -%>
# Domains we relay for; that is domains that aren't considered local but we
# expensive, you can specify the networks for which a lookup is done, or
# remove the setting entirely.
host_lookup = *
-dns_ipv4_lookup = +google_mxen
# If this option is set, then any process that is running as one of the
# listed users may pass a message to Exim and specify the sender's
gecos_name = $1
# Do *not* include the body of the original message in a bounce
-# The combinaton of bounce_return_message and bounce_return_body
+# The combination of bounce_return_message and bounce_return_body
# allows us to return only the headers within a bounce
bounce_return_message = true
{${lookup{$local_part}lsearch*{${extract{directory}{VDOMAINDATA}{${value}/grey_users}}}{$local_part}{}}}{}}}\
{${lookup{$local_part}lsearch{/etc/exim4/grey_users}{$local_part}{}}}} : \
${lookup{$local_part}lsearch{/var/lib/misc/$primary_hostname/mail-greylist}{$local_part}{}}
+HAS_DEFAULT_OPTIONS = ${if eq{${lookup{$local_part}dbmnz{/var/lib/misc/$primary_hostname/default-mail-options.db}{$value}{TRUE}}}{TRUE}}
<%- if @is_rtmaster -%>
+# This subject rewrite is embedded in double-quoted strings. As such, some of
+# the items need more escaping than usual, otherwise \N becomes simply "N" and
+# the following "\[" a literal "[".
+# Note that the lack of space in "Subject:${" is intentional, as the raw Subject
+# header will include the leading space, if present.
+RT_SUBJECT = Subject:${if and {{first_delivery}{match {${sg {$rh_Subject:}{\\n([ \\t])}{ }}}{\\N(?i)(.*?)\\[?debian rt\\]?[:\\t ]*(.*)\\N}}}{$1$2}{$h_subject:}}
RT_QUEUE_MAP = /srv/rt.debian.org/mail/rt_queue_map
<%- end -%>
accept condition = ${if !eq {$acl_m_rprf}{}}
warn domains = +virtual_domains
- condition = ${if exists {${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.cdb}}}}
- condition = ${if eq{${lookup{$local_part}cdb{${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.cdb}}}{$value}{}}}{markup}}
+ condition = ${if exists {${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.db}}}}
+ condition = ${if eq{${lookup{$local_part}dbmnz{${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.db}}}{$value}{}}}{markup}}
set acl_m_rprf = markup
accept condition = ${if !eq {$acl_m_rprf}{}}
warn domains = +virtual_domains
- condition = ${if exists {${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.cdb}}}}
- condition = ${if eq{${lookup{$local_part}cdb{${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.cdb}}}{$value}{}}}{blackhole}}
+ condition = ${if exists {${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.db}}}}
+ condition = ${if eq{${lookup{$local_part}dbmnz{${extract{directory}{VDOMAINDATA}{${value}/contentinspectionaction.db}}}{$value}{}}}{blackhole}}
set acl_m_rprf = blackhole
accept condition = ${if !eq {$acl_m_rprf}{}}
warn domains = +local_domains
- condition = ${if eq{${lookup{$local_part}cdb{/var/lib/misc/${primary_hostname}/mail-contentinspectionaction.cdb}{$value}{}}}{markup}}
+ condition = ${if eq{${lookup{$local_part}dbmnz{/var/lib/misc/${primary_hostname}/mail-contentinspectionaction.db}{$value}{}}}{markup}}
set acl_m_rprf = markup
accept condition = ${if !eq {$acl_m_rprf}{}}
warn domains = +local_domains
- condition = ${if eq{${lookup{$local_part}cdb{/var/lib/misc/${primary_hostname}/mail-contentinspectionaction.cdb}{$value}{}}}{blackhole}}
+ condition = ${if eq{${lookup{$local_part}dbmnz{/var/lib/misc/${primary_hostname}/mail-contentinspectionaction.db}{$value}{}}}{blackhole}}
set acl_m_rprf = blackhole
accept condition = ${if !eq {$acl_m_rprf}{}}
# These are in HELO acl so that they are only run once. They increment a counter,
# so we don't want it to increment per rcpt to.
+ # high trust
warn dnslists = list.dnswl.org&0.0.0.3
log_message = Hit on list.dnswl.org for $sender_host_address
set acl_c_scr = ${eval:$acl_c_scr-30}
+ # >= medium trust
warn dnslists = list.dnswl.org&0.0.0.2
log_message = Hit on list.dnswl.org for $sender_host_address
set acl_c_scr = ${eval:$acl_c_scr-20}
+ # any form of listing
warn dnslists = list.dnswl.org
log_message = Hit on list.dnswl.org for $sender_host_address
set acl_c_scr = ${eval:$acl_c_scr-10}
condition = ${if eq{$host_lookup_failed}{1}}
set acl_c_scr = ${eval:$acl_c_scr+20}
+ # HELO looks like a dynamic address (with RDNS match)
warn !hosts = +debianhosts
condition = ${if eq{$host_lookup_failed}{0}}
condition = ${if match{$sender_host_name}{\N(^[^\.]*[0-9]\-+[0-9]|^[^\.]*[0-9]{5,}[^\.]|^([^\.]+\.)?[0-9][^ \.]*\.[^\.]+\..+\.[a-z]|^[^\.]*[0-9]\.[^\.]*[0-9]-[0-9]|^(dyn|cable|dhcp|dialup|ppp|adsl)[^\.]*[0-9])\N}}
set acl_c_scr = ${eval:$acl_c_scr+20}
+ # HELO looks like a dynamic address
warn !hosts = +debianhosts
condition = ${if match{$sender_helo_name}{\N(^[^\.]*[0-9]\-+[0-9]|^[^\.]*[0-9]{5,}[^\.]|^([^\.]+\.)?[0-9][^ \.]*\.[^\.]+\..+\.[a-z]|^[^\.]*[0-9]\.[^\.]*[0-9]-[0-9]|^(dyn|cable|dhcp|dialup|ppp|adsl)[^\.]*[0-9])\N}}
set acl_c_scr = ${eval:$acl_c_scr+20}
+ # mail from a dynamic IP address range
warn !hosts = +debianhosts
dnslists = dul.dnsbl.sorbs.net
set acl_c_scr = ${eval:$acl_c_scr+15}
message = Different profile, please retry
log_message = Only one profile at a time, please
+ # Set a flag to indicate whether the current recipient
+ # has explicitly requested greylisting
+ warn set acl_m_grey_recip = 0
+
+ warn local_parts = GREYLIST_LOCAL_PARTS
+ domains = +handled_domains
+ set acl_m_grey_recip = 1
+
# Defer after too many bad RCPT TO's. Legit MTAs will retry later.
# This is a rough pass at preventing address harvesting or other mail blasts.
condition = ${lookup{$sender_address_local_part}lsearch{${extract{directory}{VSENDERDOMAINDATA}{${value}/neversenders}}}{true}}
message = no mail should ever come from <$sender_address>
+ deny domains = +virtual_domains
+ senders = :
+ condition = ${if exists {${extract{directory}{VDOMAINDATA}{${value}/neversenders}}}}
+ condition = ${lookup{$local_part}lsearch{${extract{directory}{VDOMAINDATA}{${value}/neversenders}}}{true}}
+ message = <$local_part@$domain> does not send mail; rejecting bogus NDR
+
warn condition = ${if eq{$acl_m_prf}{localonly}}
set acl_m_lrc = ${if eq{$acl_m_lrc}{}{$local_part@$domain}{$acl_m_lrc, $local_part@$domain}}
deny condition = ${if !eq {$acl_m_prf}{PopconMail}}
!verify = sender
+ warn !hosts = +debianhosts
+ condition = ${if !eq {$acl_m_prf}{PopconMail}}
+ condition = ${if >{${eval:$acl_c_scr+0}}{0}}
+ ratelimit = 10 / 60m / per_rcpt / strict / $sender_host_address
+ log_message = Sender rate $sender_rate / $sender_rate_period (limit: $sender_rate_limit)
+
defer !hosts = +debianhosts
condition = ${if !eq {$acl_m_prf}{PopconMail}}
condition = ${if >{${eval:$acl_c_scr+0}}{0}}
<%- end -%>
<%- if @is_rtmaster -%>
warn condition = ${if eq{$acl_m_prf}{RTMail}}
- set acl_m12 = ${if def:acl_m12 {$acl_m12} {${if or{{match{$local_part}{\N[^+]+\+\d+\N}}{match{$local_part}{\N[^+]+\+new\N}}{match{$local_part}{3520}}{match{$local_part}{3645}}} {RTMailRecipientHasSubaddress}}}}
- # temporary hack because weasel screwed up and gave people an rt-3520@ address, which doesn't really work normally. and rt-3645
- #set acl_m12 = ${if def:acl_m12 {$acl_m12} {${if or{{match{$local_part}{\N[^+]+\+\d+\N}}{match{$local_part}{\N[^+]+\+new\N}}} {RTMailRecipientHasSubaddress}}}}
-
+ set acl_m12 = ${if def:acl_m12 {$acl_m12} {${if or{{match{$local_part}{\N[^+]+\+\d+\N}}{match{$local_part}{\N[^+]+\+new\N}}} {RTMailRecipientHasSubaddress}}}}
<%- end -%>
<%- if has_variable?("greylistd") && @greylistd -%>
defer
message = $sender_host_address is not yet authorized to deliver mail from <$sender_address> to <$local_part@$domain>.
log_message = greylisted.
- local_parts = ${if match_domain{$domain}{+virtual_domains}\
- {${if exists {${extract{directory}{VDOMAINDATA}{${value}/grey_users}}}\
- {${lookup{$local_part}lsearch*{${extract{directory}{VDOMAINDATA}{${value}/grey_users}}}{$local_part}{}}}{}}}\
- {${lookup{$local_part}lsearch{/etc/exim4/grey_users}{$local_part}{}} : \
- ${lookup{$local_part}lsearch{/var/lib/misc/$primary_hostname/mail-greylist}{$local_part}{}}}}
+ condition = ${if or { \
+ {eq{$acl_m_grey_recip}{1}} \
+ {bool_lax{HAS_DEFAULT_OPTIONS}} \
+ } \
+ }
!senders = :
!hosts = : +debianhosts : WHITELIST : \
${if exists {/etc/greylistd/whitelist-hosts}\
{/etc/greylistd/whitelist-hosts}{}} : \
${if exists {/var/lib/greylistd/whitelist-hosts}\
{/var/lib/greylistd/whitelist-hosts}{}}
+ !dnslists = list.dnswl.org&0.0.0.3
condition = ${if !eq {$acl_m_prf}{PopconMail}}
!authenticated = *
domains = +handled_domains
warn
!senders = :
!hosts = : +debianhosts : WHITELIST
+ !dnslists = list.dnswl.org&0.0.0.3
condition = ${if !eq {$acl_m_prf}{PopconMail}}
condition = ${if ! def:acl_m_grey}
set acl_m_grey = $pid.$tod_epoch.$sender_host_port
defer
!senders = :
!hosts = : +debianhosts : WHITELIST
+ !dnslists = list.dnswl.org&0.0.0.3
condition = ${if !eq {$acl_m_prf}{PopconMail}}
!authenticated = *
domains = +handled_domains
- local_parts = GREYLIST_LOCAL_PARTS
+ condition = ${if or { \
+ {eq{$acl_m_grey_recip}{1}} \
+ {bool_lax{HAS_DEFAULT_OPTIONS}} \
+ } \
+ }
set acl_m_pgr = request=smtpd_access_policy\n\
protocol_state=RCPT\n\
protocol_name=${uc:$received_protocol}\n\
instance=${acl_m_grey}\n\
helo_name=${sender_helo_name}\n\
-<%- if scope.call_function('versioncmp', [@lsbmajdistrelease, '8']) <= 0 -%>
- client_address=${substr_-3:${mask:$sender_host_address/24}}\n\
-<%- else -%>
client_address=${sender_host_address}\n\
-<%- end -%>
client_name=${sender_host_name}\n\
sender=${sender_address}\n\
recipient=$local_part@$domain\n\n
${readsocket{/var/run/postgrey/socket}{$acl_m_pgr}\
{5s}{}{action=DUNNO}}\
}{action=}{}}
- message = ${sg{$acl_m_pgr}{^\\w+\\s*}{}}
+ message = ${sg{$acl_m_pgr}{\N^\w+\s*\N}{}}
log_message = greylisted.
condition = ${if eq{${uc:${substr{0}{5}{$acl_m_pgr}}}}{DEFER}}
warn
!senders = :
!hosts = : +debianhosts : WHITELIST
+ !dnslists = list.dnswl.org&0.0.0.3
condition = ${if !eq {$acl_m_prf}{PopconMail}}
!authenticated = *
domains = +handled_domains
- local_parts = GREYLIST_LOCAL_PARTS
+ condition = ${if or { \
+ {eq{$acl_m_grey_recip}{1}} \
+ {bool_lax{HAS_DEFAULT_OPTIONS}} \
+ } \
+ }
condition = ${if eq{${uc:${substr_0_7:$acl_m_pgr}}}{PREPEND}}
- message = ${sg{$acl_m_pgr}{^\\w+\\s*}{}}
+ message = ${sg{$acl_m_pgr}{\N^\w+\s*\N}{}}
<%- end -%>
deny hosts = ${if exists{/etc/exim4/host_blacklist}{/etc/exim4/host_blacklist}{}}
domains = +handled_domains
!hosts = +debianhosts : WHITELIST
+ deny message = host $sender_host_address is listed in $dnslist_domain; see $dnslist_text
+ dnslists = noserver.dnsbl.sorbs.net
+ domains = +handled_domains
+ !hosts = +debianhosts : WHITELIST
+
+ deny message = host $sender_host_address is listed in $dnslist_domain; see $dnslist_text
+ condition = ${if bool_lax{HAS_DEFAULT_OPTIONS}}
+ dnslists = relays.dnsbl.sorbs.net : xbl.spamhaus.org
+ domains = +handled_domains
+ !hosts = +debianhosts : WHITELIST
+
<%- end -%>
deny message = domain $sender_address_domain is listed in $dnslist_domain; see $dnslist_text
dnslists = ${if match_domain{$domain}{+virtual_domains}\
domains = +handled_domains
!hosts = +debianhosts : WHITELIST
+ deny message = domain $sender_address_domain is listed in $dnslist_domain; see $dnslist_text
+ dnslists = nomail.rhsbl.sorbs.net/$sender_address_domain
+ domains = +handled_domains
+ !hosts = +debianhosts : WHITELIST
+
+ deny message = domain $sender_address_domain is listed in $dnslist_domain; see $dnslist_text
+ condition = ${if bool_lax{HAS_DEFAULT_OPTIONS}}
+ dnslists = dbl.spamhaus.org/$sender_address_domain
+ domains = +handled_domains
+ !hosts = +debianhosts : WHITELIST
+
<%- unless @use_smarthost -%>
deny domains = +handled_domains
local_parts = ${if match_domain{$domain}{+virtual_domains}\
condition = ${if !eq{$acl_m_srb}{false}}
message = X-Surbl-Hit: $primary_hostname: $acl_m_srb
+ # Dump MIME parts to disk. "default" creates sequentially-named files
+ # in <spool_directory>/scan/<message_id>/ which should then be
+ # automagically unlinked after processing.
+ warn decode = default
+
+ # Log some information about attachments for debugging
+ warn log_message = MIME part [$mime_part_count] -> [${extract{-1}{.}{${lc:$mime_filename}}}] [$mime_content_type]
+
accept
<%- end -%>
<%- if has_variable?("clamd") && @clamd -%>
discard condition = ${if eq {$acl_m_prf}{blackhole}}
- <%- if scope.call_function('versioncmp', [@lsbmajdistrelease, '8']) <= 0 -%>
- demime = *
- <%- end -%>
malware = */defer_ok
log_message = discarded malware message for $recipients
deny condition = ${if !eq {$acl_m_prf}{markup}}
condition = ${if !eq {$acl_m_prf}{PopconMail}}
- <%- if scope.call_function('versioncmp', [@lsbmajdistrelease, '8']) <= 0 -%>
- demime = *
- <%- end -%>
malware = */defer_ok
message = malware detected: $malware_name: message rejected
warn condition = ${if eq {$acl_m_prf}{markup}}
- <%- if scope.call_function('versioncmp', [@lsbmajdistrelease, '8']) <= 0 -%>
- demime = *
- <%- end -%>
malware = */defer_ok
message = X-malware detected: $malware_name
begin rewrite
\N^buildd_(.*)@fasolo\.debian\.org$\N buildd_$1@buildd.debian.org T
-*@debian.org ${lookup{$1}cdb{/var/lib/misc/${primary_hostname}/mail-forward.cdb}{$value}fail} T
-*@people.debian.org ${lookup{$1}cdb{/var/lib/misc/${primary_hostname}/mail-forward.cdb}{$value}fail} T
+*@debian.org ${lookup{$1}dbmnz{/var/lib/misc/${primary_hostname}/mail-forward.db}{$value}fail} T
+*@people.debian.org ${lookup{$1}dbmnz{/var/lib/misc/${primary_hostname}/mail-forward.db}{$value}fail} T
#*@${primary_hostname} "${if exists{/etc/exim4/email-addresses}{${lookup{$1}lsearch{/etc/exim4/email-addresses}{$value}fail}}fail}" fFs
{match_domain{$item}{+single_domain_mx}}\
{remote_smtp_single_domain}{remote_smtp}\
}
- ignore_target_hosts = +reservedaddrs
+ ignore_target_hosts = +reservedaddrs : \
+ ${if forany{${lookup dnsdb{>: mxh=$domain}}}\
+ {match_domain{$item}{+ipv4_only_domain_mx}}\
+ {::::/0}{}\
+ }
no_more
postmasterish:
driver = redirect
allow_defer
allow_fail
- data = ${if exists{/var/lib/misc/$primary_hostname/user-forward.cdb}\
- {${lookup{$local_part}cdb\
- {/var/lib/misc/$primary_hostname/user-forward.cdb}}}}
+ data = ${if exists{/var/lib/misc/$primary_hostname/user-forward.db}\
+ {${lookup{$local_part}dbmnz\
+ {/var/lib/misc/$primary_hostname/user-forward.db}}}}
domains = +local_domains
file_transport = address_file
local_part_suffix = -*
pipe_transport = rt_pipe
data = "|/usr/bin/rt-mailgate --queue '${lookup{${sg{$local_part}{-comment}{}}}lsearch{RT_QUEUE_MAP}}' --url https://rt.debian.org/ --ca-file /etc/ssl/ca-debian/ca-certificates.crt --action ${if match{$local_part}{.*-comment.*}{comment}{correspond}}"
headers_remove = Subject
- headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nSubject: ${if and {{first_delivery}{match {$h_subject:}{(?is)(.*?)\\\\[?debian rt\\\\]?[:\\s]*(.*)}}} {$1$2}{$h_subject:}}"
+ headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nRT_SUBJECT"
# FIXME: figure out how to generalize this approach so that all of the following would work
# - rt+NNNN@rt.debian.org : attach correspondence to ticket (verbose)
pipe_transport = rt_pipe
data = "|/usr/bin/rt-mailgate --queue '${lookup{${sg{$local_part}{-comment}{}}}lsearch{RT_QUEUE_MAP}}' --url https://rt.debian.org/ --ca-file /etc/ssl/ca-debian/ca-certificates.crt --action ${if match{$local_part}{.*-comment.*}{comment}{correspond}}"
headers_remove = Subject
- headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nX-RT-Mode: quiesce\nSubject: ${if and {{first_delivery}{match {$h_subject:}{(?is)(.*?)\\\\[?debian rt\\\\]?[:\\s]*(.*)}}} {$1$2}{$h_subject:}}"
+ headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nX-RT-Mode: quiesce\nRT_SUBJECT"
rt_otherwise:
debug_print = "R: rt for $local_part@$domain"
pipe_transport = rt_pipe
data = "|/usr/bin/rt-mailgate --queue '${lookup{${sg{$local_part}{-(comment|done)}{}}}lsearch{RT_QUEUE_MAP}}' --url https://rt.debian.org/ --ca-file /etc/ssl/ca-debian/ca-certificates.crt --extension ticket --action ${if match{$local_part}{.*-comment.*}{comment}{${if match{$local_part}{.*-done.*}{correspond-resolve}{correspond}}}}"
headers_remove = Subject
- headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nSubject: ${if and {{first_delivery}{match {$h_subject:}{(?i)(.*?)\\\\[?debian rt\\\\]?[:\\s]*(.*)}}} {$1$2}{$h_subject:}}"
+ headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}\nRT_SUBJECT"
<%- end -%>
# Exim fails the router if it can't change to the user/group for delivery
group = ${extract{group}{VDOMAINDATA}}
# Manually construct the forwarding address, preserving the
# local_part_suffix if the remote host is master.
- data = ${if and {{exists{${extract{directory}{VDOMAINDATA}{${value}/mail-forward.cdb}}}}\
- {! eq {${lookup{$local_part}cdb\
- {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.cdb}}}}}\
+ data = ${if and {{exists{${extract{directory}{VDOMAINDATA}{${value}/mail-forward.db}}}}\
+ {! eq {${lookup{$local_part}dbmnz\
+ {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.db}}}}}\
{}}}\
- {${local_part:${lookup{$local_part}cdb\
- {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.cdb}}}}}\
- ${if eq {${domain:${lookup{$local_part}cdb\
- {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.cdb}}}}}}{master.debian.org}{$local_part_suffix} {}}\
+ {${local_part:${lookup{$local_part}dbmnz\
+ {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.db}}}}}\
+ ${if eq {${domain:${lookup{$local_part}dbmnz\
+ {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.db}}}}}}{master.debian.org}{$local_part_suffix} {}}\
@\
- ${domain:${lookup{$local_part}cdb\
- {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.cdb}}}}}}}
+ ${domain:${lookup{$local_part}dbmnz\
+ {${extract{directory}{VDOMAINDATA}{${value}/mail-forward.db}}}}}}}
domains = +virtual_domains
file_transport = address_file
headers_add = "Delivered-To: ${local_part}${local_part_suffix}@${domain}"
# RETRY CONFIGURATION #
######################################################################
-# This single retry rule applies to all domains and all errors. It specifies
-# retries every 15 minutes for 2 hours, then increasing retry intervals,
-# starting at 2 hours and increasing each time by a factor of 1.5, up to 16
-# hours, then retries every 8 hours until 4 days have passed since the first
-# failed delivery.
-
# Domain Error Retries
# ------ ----- -------
-
begin retry
+## Note that retry rules specify when an address / host / mail should
+## become eligible for retrying. They do not specify when the retry
+## attempt will actually occur, as this is dependent on queue run
+## frequency and timing.
+
+# For mail to debian.org addresses, this rule starts with
+# retries every 10 minutes for 2 hours, then increasing retry intervals,
+# starting at 2 hours and increasing each time by a factor of 1.5, up to 16
+# hours, then retries every 8 hours until 14 days have passed since the first
+# failed delivery.
debian.org * F,2h,10m; G,16h,2h,1.5; F,14d,8h
+
+# Bounces should get retried every 10 minutes for up to 2 hours
* * senders=: F,2h,10m
+
+# Temporary errors at RCPT TO get retried at 5 minute intervals for
+# 2 hours, then 10 minute intervals for 4 hours, and finally at 15
+# minute intervals for 4 days. This assumes that the cause of the
+# error will get resolved quickly in most cases.
* rcpt_4xx F,2h,5m; F,4h,10m; F,4d,15m
+
+# For all remaining mails, addresses and hosts, this rule starts with
+# retries every 15 minutes for 2 hours, then increasing retry intervals,
+# starting at 2 hours and increasing each time by a factor of 1.5, up to 16
+# hours, then retries every 8 hours until 4 days have passed since the first
+# failed delivery.
* * F,2h,15m; G,16h,2h,1.5; F,4d,8h
# End of Exim 4 configuration
projects / mirror / dsa-puppet.git / blobdiff