> My exim is 4.60 compiled.
>
> i put may config file why i have some problems
>
> The server rejects the virus and spam messages but don't send a message
>
> Then if a user i overquota, retry never sends a mail to sender.
>
>
> ################################################
>
>
> #split_spool_directory = true
> #check_spool_space = 1024M
> #smtp_check_spool_space = true
>
> message_size_limit = 10M
> #bounce_return_size_limit = 8k
>
> deliver_queue_load_max = 2.00
> queue_only_load = 1.50
> remote_max_parallel = 8
>
>
> primary_hostname = test.net
>
>
> #domainlist local_domains = @
> VIRTUAL_DOMAINS = SELECT DISTINCT domain FROM domains WHERE type =
> 'local' AND enabled = '1' AND domain = '${quote_mysql:$domain}'
> RELAY_DOMAINS = SELECT DISTINCT domain FROM domains WHERE type =
> 'relay' AND domain = '${quote_mysql:$domain}'
> ALIAS_DOMAINS = SELECT DISTINCT alias FROM domainalias WHERE alias =
> '${quote_mysql:$domain}'
> domainlist local_domains = @ : ${lookup mysql{VIRTUAL_DOMAINS}} :
> ${lookup mysql{ALIAS_DOMAINS}}
> domainlist relay_to_domains = ${lookup mysql{RELAY_DOMAINS}}
> hostlist relay_from_hosts = localhost :
> net-lsearch;/usr/local/var/state/exact/relay
> #domainlist relay_to_domains =
> #hostlist relay_from_hosts = 127.0.0.1
>
>
> hide mysql_servers = localhost::(/var/run/mysqld/mysqld.sock)/test/test/test
>
>
> # Most straightforward access control requirements can be obtained by
> # appropriate settings of the above options. In more complicated situations,
> # you may need to modify the Access Control List (ACL) which appears later in
> # this file.
>
> # The first setting specifies your local domains, for example:
> #
> # domainlist local_domains = my.first.domain : my.second.domain
> #
> # You can use "@" to mean "the name of the local host", as in the default
> # setting above. This is the name that is specified by primary_hostname,
> # as specified above (or defaulted). If you do not want to do any local
> # deliveries, remove the "@" from the setting above. If you want to accept mail
> # addressed to your host's literal IP address, for example, mail addressed to
> # "user@???", you can add "@[]" as an item in the local domains
> # list. You also need to uncomment "allow_domain_literals" below. This is not
> # recommended for today's Internet.
>
> # The second setting specifies domains for which your host is an incoming relay.
> # If you are not doing any relaying, you should leave the list empty. However,
> # if your host is an MX backup or gateway of some kind for some domains, you
> # must set relay_to_domains to match those domains. For example:
> #
> # domainlist relay_to_domains = *.myco.com : my.friend.org
> #
> # This will allow any host to relay through your host to those domains.
> # See the section of the manual entitled "Control of relaying" for more
> # information.
>
> # The third setting specifies hosts that can use your host as an outgoing relay
> # to any other host on the Internet. Such a setting commonly refers to a
> # complete local network as well as the localhost. For example:
> #
> # hostlist relay_from_hosts = 127.0.0.1 : 192.168.0.0/16
> #
> # The "/16" is a bit mask (CIDR notation), not a number of hosts. Note that you
> # have to include 127.0.0.1 if you want to allow processes on your host to send
> # SMTP mail by using the loopback address. A number of MUAs use this method of
> # sending mail.
>
> acl_smtp_rcpt = acl_check_rcpt
> acl_smtp_data = acl_check_content
> acl_smtp_helo = acl_check_helo
>
>
> av_scanner = clamd:127.0.0.1 3310
> spamd_address = 127.0.0.1 783
>
>
> # qualify_domain =
>
>
> # If you want unqualified recipient addresses to be qualified with a different
> # domain to unqualified sender addresses, specify the recipient domain here.
> # If this option is not set, the qualify_domain value is used.
>
> # qualify_recipient =
>
> # allow_domain_literals
>
>
> exim_user = exim
> exim_group = exim
> never_users = root
> trusted_users = www-data
>
>
> # The setting below causes Exim to do a reverse DNS lookup on all incoming
> # IP calls, in order to get the true host name. If you feel this is too
> # expensive, you can specify the networks for which a lookup is done, or
> # remove the setting entirely.
>
> host_lookup = *
>
>
> # The settings below, which are actually the same as the defaults in the
> # code, cause Exim to make RFC 1413 (ident) callbacks for all incoming SMTP
> # calls. You can limit the hosts to which these calls are made, and/or change
> # the timeout that is used. If you set the timeout to zero, all RFC 1413 calls
> # are disabled. RFC 1413 calls are cheap and can provide useful information
> # for tracing problem messages, but some hosts and firewalls have problems
> # with them. This can result in a timeout instead of an immediate refused
> # connection, leading to delays on starting up an SMTP session.
>
> rfc1413_hosts = *
> rfc1413_query_timeout = 0s
>
>
> # By default, Exim expects all envelope addresses to be fully qualified, that
> # is, they must contain both a local part and a domain. If you want to accept
> # unqualified addresses (just a local part) from certain hosts, you can specify
> # these hosts by setting one or both of
> #
> # sender_unqualified_hosts =
> # recipient_unqualified_hosts =
> #
> # to control sender and recipient addresses, respectively. When this is done,
> # unqualified addresses are qualified using the settings of qualify_domain
> # and/or qualify_recipient (see above).
>
>
> # If you want Exim to support the "percent hack" for certain domains,
> # uncomment the following line and provide a list of domains. The "percent
> # hack" is the feature by which mail addressed to x%y@z (where z is one of
> # the domains listed) is locally rerouted to x@y and sent on. If z is not one
> # of the "percent hack" domains, x%y is treated as an ordinary local part. This
> # hack is rarely needed nowadays; you should not enable it unless you are sure
> # that you really need it.
> #
> # percent_hack_domains =
> #
> # As well as setting this option you will also need to remove the test
> # for local parts containing % in the ACL definition below.
>
>
> # When Exim can neither deliver a message nor return it to sender, it "freezes"
> # the delivery error message (aka "bounce message"). There are also other
> # circumstances in which messages get frozen. They will stay on the queue for
> # ever unless one of the following options is set.
>
> # This option unfreezes frozen bounce messages after two days, tries
> # once more to deliver them, and ignores any delivery failures.
>
> ignore_bounce_errors_after = 2d
>
> # This option cancels (removes) frozen messages that are older than a week.
>
> timeout_frozen_after = 7d
>
>
>
> ######################################################################
> # ACL CONFIGURATION #
> # Specifies access control lists for incoming SMTP mail #
> ######################################################################
>
> begin acl
>
> acl_check_helo:
> accept hosts = :
> accept hosts = +relay_from_hosts
> drop condition = ${if match{$sender_helo_name}{MY_IP}{yes}{no} }
> message = "Dropped spammer pretending to be us"
> drop condition = ${if
> match{$sender_helo_name}{^[0-9]\.[0-9]\.[0-9]\.[0-9]}{yes}{no} }
> message = "Dropped IP-only or IP-starting helo"
> accept
> # This access control list is used for every RCPT command in an incoming
> # SMTP message. The tests are run in order until the address is either
> # accepted or denied.
>
> acl_check_rcpt:
>
> # Accept if the source is local SMTP (i.e. not over TCP/IP). We do this by
> # testing for an empty sending host field.
>
> accept hosts = :
>
> #############################################################################
> # The following section of the ACL is concerned with local parts that contain
> # @ or % or ! or / or | or dots in unusual places.
> #
>
> deny message = DNSBL listed at $dnslist_domain\n$dnslist_text
> dnslists = sbl-xbl.spamhaus.org:list.dsbl.org:dynablock.njabl.org
>
> # are often tried by people looking to circumvent relaying restrictions.
> # Therefore, although they are valid in local parts, these rules lock them
> # out, as a precaution.
> #
> # Empty components (two dots in a row) are not valid in RFC 2822, but Exim
> # allows them because they have been encountered. (Consider local parts
> # constructed as "firstinitial.secondinitial.familyname" when applied to
> # someone like me, who has no second initial.) However, a local part starting
> # with a dot or containing /../ can cause trouble if it is used as part of a
> # file name (e.g. for a mailing list). This is also true for local parts that
> # contain slashes. A pipe symbol can also be troublesome if the local part is
> # incorporated unthinkingly into a shell command line.
> #
> # Two different rules are used. The first one is stricter, and is applied to
> # messages that are addressed to one of the local domains handled by this
> # host. The line "domains = +local_domains" restricts it to domains that are
> # defined by the "domainlist local_domains" setting above. The rule blocks
> # local parts that begin with a dot or contain @ % ! / or |. If you have
> # local accounts that include these characters, you will have to modify this
> # rule.
>
> deny message = Restricted characters in address
> domains = +local_domains
> local_parts = ^[.] : ^.*[@%!/|]
>
> # The second rule applies to all other domains, and is less strict. The line
> # "domains = !+local_domains" restricts it to domains that are NOT defined by
> # the "domainlist local_domains" setting above. The exclamation mark is a
> # negating operator. This rule allows your own users to send outgoing
> # messages to sites that use slashes and vertical bars in their local parts.
> # It blocks local parts that begin with a dot, slash, or vertical bar, but
> # allows these characters within the local part. However, the sequence /../
> # is barred. The use of @ % and ! is blocked, as before. The motivation here
> # is to prevent your users (or your users' viruses) from mounting certain
> # kinds of attack on remote sites.
>
> deny message = Restricted characters in address
> domains = !+local_domains
> local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
> #############################################################################
>
> # Accept mail to postmaster in any local domain, regardless of the source,
> # and without verifying the sender.
>
> accept local_parts = postmaster
> domains = +local_domains
>
> # Deny unless the sender address can be verified.
>
> require verify = sender
>
> # Accept if the message comes from one of the hosts for which we are an
> # outgoing relay. It is assumed that such hosts are most likely to be MUAs,
> # so we set control=submission to make Exim treat the message as a
> # submission. It will fix up various errors in the message, for example, the
> # lack of a Date: header line. If you are actually relaying out out from
> # MTAs, you may want to disable this. If you are handling both relaying from
> # MTAs and submissions from MUAs you should probably split them into two
> # lists, and handle them differently.
>
> # Recipient verification is omitted here, because in many cases the clients
> # are dumb MUAs that don't cope well with SMTP error responses. If you are
> # actually relaying out from MTAs, you should probably add recipient
> # verification here.
>
> # Note that, by putting this test before any DNS black list checks, you will
> # always accept from these hosts, even if they end up on a black list. The
> # assumption is that they are your friends, and if they get onto a black
> # list, it is a mistake.
>
> accept hosts = +relay_from_hosts
> control = submission
>
> # Accept if the message arrived over an authenticated connection, from
> # any host. Again, these messages are usually from MUAs, so recipient
> # verification is omitted, and submission mode is set. And again, we do this
> # check before any black list tests.
>
> accept authenticated = *
> control = submission
>
> #############################################################################
> # There are no default checks on DNS black lists because the domains that
> # contain these lists are changing all the time. However, here are two
> # examples of how you can get Exim to perform a DNS black list lookup at this
> # point. The first one denies, whereas the second just warns.
> #
> deny message = rejected because $sender_host_address is in
> a black list at $dnslist_domain\n$dnslist_text
> log_message = found in $dnslist_domain
> dnslists = sbl.spamhaus.org : cbl.abuseat.org :
> dul.dnsbl.sorbs.net : dynablock.njabl.org
> #
> # warn message = X-Warning: $sender_host_address is in a
> black list at $dnslist_domain
> # log_message = found in $dnslist_domain
> # dnslists = black.list.example
> #############################################################################
>
> #############################################################################
> # This check is commented out because it is recognized that not every
> # sysadmin will want to do it. If you enable it, the check performs
> # Client SMTP Authorization (csa) checks on the sending host. These checks
> # do DNS lookups for SRV records. The CSA proposal is currently (May 2005)
> # an Internet draft. You can, of course, add additional conditions to this
> # ACL statement to restrict the CSA checks to certain hosts only.
> #
> # require verify = csa
> #############################################################################
>
> # Accept if the address is in a local domain, but only if the recipient can
> # be verified. Otherwise deny. The "endpass" line is the border between
> # passing on to the next ACL statement (if tests above it fail) or denying
> # access (if tests below it fail).
>
> accept domains = +local_domains
> endpass
> verify = recipient
>
> # Accept if the address is in a domain for which we are an incoming relay,
> # but again, only if the recipient can be verified.
>
> accept domains = +relay_to_domains
> endpass
> verify = recipient
>
> # Reaching the end of the ACL causes a "deny", but we might as well give
> # an explicit message.
>
> deny message = relay not permitted
>
>
> # 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.
> # Some suggested ways of configuring these tests are shown below, commented
> # out. Without any tests, this ACL accepts all messages. If you want to use
> # such tests, you must ensure that Exim is compiled with the content-scanning
> # extension (WITH_CONTENT_SCAN=yes in Local/Makefile).
>
> acl_check_content:
>
> # Deny if the message contains a virus. Before enabling this check, you
> # must install a virus scanner and set the av_scanner option above.
> #
>
> deny message = This message contains a virus ($malware_name).
> malware = *
> log_message = This message contains malware ($malware_name)
>
> deny message = This message matches a blacklisted regular
> expression ($regex_match_string)
> regex = [Vv] *[Ii] *[Aa] *[Gg] *[Rr] *[Aa]
>
> warn message = X-Spam-Score: $spam_score ($spam_bar)
> spam = spamd:true
>
> warn message = X-Spam-Flag: YES
> spam = spamd
>
> deny message = This message scored $spam_score spam points. See
> http://www.sput.nl/spam/
> #spam = spamd:true
> spam = nobody:true
> condition = ${if >{$spam_score_int}{10}{1}{0}}
>
>
>
> # Accept the message.
>
> accept
>
>
>
> ######################################################################
> # ROUTERS CONFIGURATION #
> # Specifies how addresses are handled #
> ######################################################################
> # THE ORDER IN WHICH THE ROUTERS ARE DEFINED IS IMPORTANT! #
> # An address is passed to each router in turn until it is accepted. #
> ######################################################################
>
> begin routers
>
> # This router routes to remote hosts over SMTP by explicit IP address,
> # when an email address is given in "domain literal" form, for example,
> # <user@???>. The RFCs require this facility. However, it is
> # little-known these days, and has been exploited by evil people seeking
> # to abuse SMTP relays. Consequently it is commented out in the default
> # configuration. If you uncomment this router, you also need to uncomment
> # allow_domain_literals above, so that Exim can recognize the syntax of
> # domain literal addresses.
>
> # domain_literal:
> # driver = ipliteral
> # domains = ! +local_domains
> # transport = remote_smtp
>
>
> # This router routes addresses that are not in local domains by doing a DNS
> # lookup on the domain name. The exclamation mark that appears in "domains = !
> # +local_domains" is a negating operator, that is, it can be read as "not". The
> # recipient's domain must not be one of those defined by "domainlist
> # local_domains" above for this router to be used.
> #
> # If the router is used, any domain that resolves to 0.0.0.0 or to a loopback
> # interface address (127.0.0.0/8) is treated as if it had no DNS entry. Note
> # that 0.0.0.0 is the same as 0.0.0.0/32, which is commonly treated as the
> # local host inside the network stack. It is not 0.0.0.0/0, the default route.
> # If the DNS lookup fails, no further routers are tried because of the no_more
> # setting, and consequently the address is unrouteable.
>
> dnslookup:
> driver = dnslookup
> domains = ! +local_domains
> transport = remote_smtp
> ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
> no_more
>
>
> # The remaining routers handle addresses in the local domain(s), that is those
> # domains that are defined by "domainlist local_domains" above.
>
>
> virtual_domains:
> driver = redirect
> allow_fail
> data = ${lookup mysql{select smtp from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and domains.enabled = '1' \
> and users.enabled = '1' \
> and users.domain_id = domains.domain_id}}
> headers_add = ${if >{$spam_score_int}{${lookup mysql{select
> users.sa_tag * 10 from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and users.on_spamassassin = '1' \
> and users.domain_id=domains.domain_id }{$value}fail}} {X-Spam-Flag: YES\n}{} }
> headers_remove = ${if or { { <{$spam_score_int}{1} } \
> { <{$spam_score_int}{${lookup mysql{select users.sa_tag * 10
> from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and users.on_spamassassin = 1 \
> and users.domain_id=domains.domain_id}{$value}fail}} } \
> { eq {0}{${lookup mysql{select users.sa_tag * 10 from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and users.on_spamassassin = 0 \
> and users.domain_id=domains.domain_id}{$value}fail}}} \
> } {X-Spam-Score:X-Spam-Report} }
> local_part_suffix = -*
> local_part_suffix_optional
> retry_use_local_part
> file_transport = virtual_delivery
> reply_transport = address_reply
> pipe_transport = address_pipe
>
> virtual_domain_alias:
> driver = redirect
> allow_fail
> data = ${lookup mysql{select concat('${quote_mysql:$local_part}@', domain) \
> from domains,domainalias where domainalias.alias =
> '${quote_mysql:$domain}' \
> and domainalias.domain_id = domains.domain_id}}
> retry_use_local_part
> # This router handles aliasing using a linearly searched alias file with the
> # name /etc/aliases. When this configuration is installed automatically,
> # the name gets inserted into this file from whatever is set in Exim's
> # build-time configuration. The default path is the traditional /etc/aliases.
> # If you install this configuration by hand, you need to specify the correct
> # path in the "data" setting below.
> #
> ##### NB You must ensure that the alias file exists. It used to be the case
> ##### NB that every Unix had that file, because it was the Sendmail default.
> ##### NB These days, there are systems that don't have it. Your aliases
> ##### NB file should at least contain an alias for "postmaster".
> #
> # If any of your aliases expand to pipes or files, you will need to set
> # up a user and a group for these deliveries to run under. You can do
> # this by uncommenting the "user" option below (changing the user name
> # as appropriate) and adding a "group" option if necessary. Alternatively, you
> # can specify "user" on the transports that are used. Note that the transports
> # listed below are the same as are used for .forward files; you might want
> # to set up different ones for pipe and file deliveries from aliases.
>
> system_aliases:
> driver = redirect
> allow_fail
> allow_defer
> data = ${lookup{$local_part}lsearch{/etc/aliases}}
> user = exim
> group = exim
> file_transport = address_file
> pipe_transport = address_pipe
>
>
> # This router handles forwarding using traditional .forward files in users'
> # home directories. If you want it also to allow mail filtering when a forward
> # file starts with the string "# Exim filter" or "# Sieve filter", uncomment
> # the "allow_filter" option.
>
> # If you want this router to treat local parts with suffixes introduced by "-"
> # or "+" characters as if the suffixes did not exist, uncomment the two local_
> # part_suffix options. Then, for example, xxxx-foo@??? will be treated
> # in the same way as xxxx@??? by this router. You probably want to make
> # the same change to the localuser router.
>
> # The no_verify setting means that this router is skipped when Exim is
> # verifying addresses. Similarly, no_expn means that this router is skipped if
> # Exim is processing an EXPN command.
>
> # The check_ancestor option means that if the forward file generates an
> # address that is an ancestor of the current one, the current one gets
> # passed on instead. This covers the case where A is aliased to B and B
> # has a .forward file pointing to A.
>
> # The three transports specified at the end are those that are used when
> # forwarding generates a direct delivery to a file, or to a pipe, or sets
> # up an auto-reply, respectively.
>
> userforward:
> driver = redirect
> check_local_user
> # local_part_suffix = +* : -*
> # local_part_suffix_optional
> file = $home/.forward
> # allow_filter
> no_verify
> no_expn
> check_ancestor
> file_transport = address_file
> pipe_transport = address_pipe
> reply_transport = address_reply
>
>
> # This router matches local user mailboxes. If the router fails, the error
> # message is "Unknown user".
>
> # If you want this router to treat local parts with suffixes introduced by "-"
> # or "+" characters as if the suffixes did not exist, uncomment the two local_
> # part_suffix options. Then, for example, xxxx-foo@??? will be treated
> # in the same way as xxxx@??? by this router.
>
> localuser:
> driver = accept
> check_local_user
> # local_part_suffix = +* : -*
> # local_part_suffix_optional
> transport = local_delivery
> cannot_route_message = Unknown user
>
>
>
> ######################################################################
> # TRANSPORTS CONFIGURATION #
> ######################################################################
> # ORDER DOES NOT MATTER #
> # Only one appropriate transport is called for each delivery. #
> ######################################################################
>
> # A transport is used only when referenced from a router that successfully
> # handles an address.
>
> begin transports
>
>
> # This transport is used for delivering messages over SMTP connections.
>
> remote_smtp:
> driver = smtp
>
>
> # This transport is used for local delivery to user mailboxes in traditional
> # BSD mailbox format. By default it will be run under the uid and gid of the
> # local user, and requires the sticky bit to be set on the /var/mail directory.
> # Some systems use the alternative approach of running mail deliveries under a
> # particular group instead of using the sticky bit. The commented options below
> # show how this can be done.
>
> local_delivery:
> driver = appendfile
> file = /home/usuaris/$local_part
> delivery_date_add
> envelope_to_add
> return_path_add
> group = mail
> user = $local_part
> mode = 0660
> no_mode_fail_narrower
> virtual_delivery:
>
> driver = appendfile
> #file = /var/mail/$local_part
> #file = /home/$local_part
> delivery_date_add
> envelope_to_add
> return_path_add
> group = mail
> #user = $local_part
> mode = 0660
> no_mode_fail_narrower
>
> # driver = appendfile
> # envelope_to_add
> # return_path_add
> # mode = 0600
> # maildir_format = false
> # create_directory = false
> file = ${lookup mysql{select smtp from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and users.domain_id = domains.domain_id}}
>
> user = ${lookup mysql{select users.uid from users,domains \
> where localpart = '${quote_mysql:$local_part}' \
> and domain = '${quote_mysql:$domain}' \
> and users.domain_id = domains.domain_id}}
> # group = ${lookup mysql{select users.gid from users,domains \
> # where localpart = '${quote_mysql:$local_part}' \
> # and domain = '${quote_mysql:$domain}' \
> # and users.domain_id = domains.domain_id}}
>
> # This transport is used for handling pipe deliveries generated by alias or
> # .forward files. If the pipe generates any standard output, it is returned
> # to the sender of the message as a delivery error. Set return_fail_output
> # instead of return_output if you want this to happen only when the pipe fails
> # to complete normally. You can set different transports for aliases and
> # forwards if you want to - see the references to address_pipe in the routers
> # section above.
>
> address_pipe:
> driver = pipe
> return_output
> user = ${lookup mysql{select users.uid from users,domains where
> localpart = '${quote_mysql:$local_part}' and domain =
> '${quote_mysql:$domain}' and users.domain_id = domains.domain_id}}
> group = ${lookup mysql{select users.gid from users,domains where
> localpart = '${quote_mysql:$local_part}' and domain =
> '${quote_mysql:$domain}' and users.domain_id = domains.domain_id}}
>
> address_pipe_catchall:
> driver = pipe
> return_output
> user = ${lookup mysql{select users.uid from users,domains where
> localpart = '*' and domain = '${quote_mysql:$domain}' and
> users.domain_id = domains.domain_id}}
> group = ${lookup mysql{select users.gid from users,domains where
> localpart = '*' and domain = '${quote_mysql:$domain}' and
> users.domain_id = domains.domain_id}}
>
> address_pipe_local:
> driver = pipe
> return_output
>
>
> # This transport is used for handling deliveries directly to files that are
> # generated by aliasing or forwarding.
>
> address_file:
> driver = appendfile
> delivery_date_add
> envelope_to_add
> return_path_add
>
>
> # This transport is used for handling autoreplies generated by the filtering
> # option of the userforward router.
>
> address_reply:
> driver = autoreply
>
>
>
> ######################################################################
> # RETRY CONFIGURATION #
> ######################################################################
>
> begin retry
>
> # 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 1 hour and increasing each time by a factor of 1.5, up to 16
> # hours, then retries every 6 hours until 4 days have passed since the first
> # failed delivery.
>
> # Address or Domain Error Retries
> # ----------------- ----- -------
>
> * * F,1h,15m; G,16h,1h,1.5; F,4d,6h
>
>
> ######################################################################
> # REWRITE CONFIGURATION #
> ######################################################################
>
> # There are no rewriting specifications in this default configuration file.
>
> begin rewrite
>
>
>
> ######################################################################
> # AUTHENTICATION CONFIGURATION #
> ######################################################################
>
> # There are no authenticator specifications in this default configuration file.
>
> begin authenticators
>
> plain_login:
> driver = plaintext
> public_name = PLAIN
> server_condition = ${lookup mysql{SELECT '1' FROM users \
> WHERE localpart = '${quote_mysql:$2}' \
> AND clear = '${quote_mysql:$3}'} {yes}{no}}
> server_set_id = $2
>
> fixed_login:
> driver = plaintext
> public_name = LOGIN
> server_prompts = "Username:: : Password::"
> server_condition = ${lookup mysql{SELECT '1' FROM users \
> WHERE localpart = '${quote_mysql:$1}' \
> AND clear = '${quote_mysql:$2}'} {yes}{no}}
> server_set_id = $1
>
> fixed_cram:
> driver = cram_md5
> public_name = CRAM-MD5
> server_secret = ${lookup mysql{SELECT clear FROM users \
> WHERE localpart = '${quote_mysql:$1}'}{$value}fail}
> server_set_id = $1
>
>
> # End of Exim configuration file