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[debian-users:40144] exim4 queue processing delay
fetchmail で POP サーバーからメールを取り寄せ，ローカルで動作している
exim4 に渡し，それから呼び出された procmail がメールを配送するという使
い方をしています．
最近，まっさらの PC に sarge をインストールしたところ，従来使っていた
exim_3.36 の代わりに exim4_4.30 がインストールされました．そのせいかど
うか良く分からないのですが，queue の処理が遅延して困っています．
具体的には，fetchmail で10通以上のメールを一度に取り込んだ場合に，最初
の10通だけがその場で配送され，残った分は queue の処理が行われるまで，
/var/spool/exim4/input/ 以下に滞留し続けます．
関係するパッケージのバージョンは以下の通りです．
% dpkg -l exim* | grep ii
ii exim4 4.30-8 An MTA (Mail Transport Agent)
ii exim4-base 4.30-8 EXperimental Internal Mailer
ii exim4-config 4.30-8 Debian configuration for exim4
ii exim4-daemon-light 4.30-8 Lightweight version of the Exim (v4) MTA
設定ファイル類はパッケージデフォルトのままで，変更はしていません．一応，
分量が若干多くなりますが，現用中の設定ファイルを末尾に添付しました．メー
ル配送は「ローカルのみ」を指定してあります．
$ grep -v '^#' /etc/default/exim4 | grep -v '^$'
EX4DEF_VERSION=''
QUEUERUNNER='combined'
QUEUEINTERVAL='30m'
COMMONOPTIONS=''
QUEUERUNNEROPTIONS=''
QFLAGS=''
SMTPLISTENEROPTIONS=''
元の exim_3.36 に戻すことも考えたのですが，いずれはサポートされなくな
るでしょうし，なんとかしておく必要があると思うのですが，知恵を貸してい
ただけないでしょうか．
--
土屋 雅稔 ( TSUCHIYA Masatoshi )
$ grep -v '^#' /var/lib/exim4/config.autogenerated | grep -v '^$'
exim_path = /usr/sbin/exim4
CONFDIR = /etc/exim4
MESSAGE_SIZE_LIMIT = 10M
domainlist local_domains = @:example:localhost
domainlist relay_to_domains =
hostlist relay_from_hosts = 127.0.0.1 : ::::1 :
qualify_domain = example
DCreadhost =
DCsmarthost =
local_interfaces = 127.0.0.1
LOCAL_DELIVERY=mail_spool
gecos_pattern = ^([^,:]*)
gecos_name = $1
DCconfig_local = 1
acl_smtp_rcpt = acl_check_rcpt
acl_smtp_data = acl_check_data
.ifndef DC_minimaldns
host_lookup = *
.endif
rfc1413_hosts = *
rfc1413_query_timeout = 30s
ignore_bounce_errors_after = 2d
timeout_frozen_after = 7d
freeze_tell = postmaster
.ifndef SPOOLDIR
SPOOLDIR = /var/spool/exim4
.endif
spool_directory = SPOOLDIR
trusted_users = uucp
begin acl
acl_whitelist_local_deny:
accept hosts = ${if exists{CONFDIR/local_host_whitelist}\
{CONFDIR/local_host_whitelist}\
{}}
accept senders = ${if exists{CONFDIR/local_sender_whitelist}\
{CONFDIR/local_sender_whitelist}\
{}}
acl_check_rcpt:
accept hosts = :
deny local_parts = ^.*[@%!/|] : ^\\.
accept local_parts = postmaster
domains = +local_domains
deny message = sender envelope address $sender_address is locally blacklisted here. If you think this is wrong, get in touch with postmaster
!acl = acl_whitelist_local_deny
senders = ${if exists{CONFDIR/local_sender_blacklist}\
{CONFDIR/local_sender_blacklist}\
{}}
deny message = sender IP address $sender_host_address is locally blacklisted here. If you think this is wrong, get in touch with postmaster
!acl = acl_whitelist_local_deny
hosts = ${if exists{CONFDIR/local_host_blacklist}\
{CONFDIR/local_host_blacklist}\
{}}
accept domains = +local_domains
endpass
message = unknown user
verify = recipient
accept domains = +relay_to_domains
endpass
message = unrouteable address
verify = recipient
accept hosts = +relay_from_hosts
accept authenticated = *
deny message = relay not permitted
acl_check_data:
warn condition = ${if !def:h_Message-ID: {1}}
hosts = +relay_from_hosts
message = Message-ID: <E$message_id@$primary_hostname>
accept
begin routers
.ifdef DCconfig_internet
dnslookup_relay_to_domains:
driver = dnslookup
domains = ! +local_domains : +relay_to_domains
transport = remote_smtp
same_domain_copy_routing = yes
no_more
dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
same_domain_copy_routing = yes
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16
no_more
.endif
.ifdef DCconfig_local
nonlocal:
driver = redirect
allow_fail
data = :fail: Mailing to remote domains not supported
no_more
domains = ! +local_domains
.endif
.ifdef DCconfig_smarthost DCconfig_satellite
smarthost:
driver = manualroute
domains = ! +local_domains
transport = remote_smtp
route_list = * DCsmarthost
host_find_failed = defer
same_domain_copy_routing = yes
no_more
.endif
real_local:
debug_print = "R: real_local for $local_part@$domain"
driver = accept
domains = +local_domains
local_part_prefix = real-
check_local_user
transport = LOCAL_DELIVERY
system_aliases:
debug_print = "R: system_aliases for $local_part@$domain"
driver = redirect
domains = +local_domains
allow_fail
allow_defer
data = ${lookup{$local_part}lsearch{/etc/aliases}}
file_transport = address_file
.ifdef DCconfig_satellite
hub_user:
debug_print = "R: hub_user for $local_part@$domain"
driver = redirect
domains = +local_domains
data = ${local_part}@DCreadhost
check_local_user
.endif
userforward:
debug_print = "R: userforward for $local_part@$domain"
driver = redirect
domains = +local_domains
check_local_user
file = $home/.forward
no_verify
no_expn
check_ancestor
allow_filter
directory_transport = address_directory
file_transport = address_file
pipe_transport = address_pipe
reply_transport = address_reply
skip_syntax_errors
syntax_errors_to = real-$local_part@$domain
syntax_errors_text = \
This is an automatically generated message. An error has\n\
been found in your .forward file. Details of the error are\n\
reported below. While this error persists, you will receive\n\
a copy of this message for every message that is addressed\n\
to you. If your .forward file is a filter file, or if it is\n\
a non-filter file containing no valid forwarding addresses,\n\
a copy of each incoming message will be put in your normal\n\
mailbox. If a non-filter file contains at least one valid\n\
forwarding address, forwarding to the valid addresses will\n\
happen, and those will be the only deliveries that occur.
procmail:
debug_print = "R: procmail for $local_part@$domain"
driver = accept
domains = +local_domains
check_local_user
transport = procmail_pipe
require_files = ${local_part}:${home}/.procmailrc:+/usr/bin/procmail
no_verify
no_expn
maildrop:
debug_print = "R: maildrop for $local_part@$domain"
driver = accept
domains = +local_domains
check_local_user
transport = maildrop_pipe
require_files = ${local_part}:${home}/.mailfilter:+/usr/bin/maildrop
no_verify
no_expn
local_user:
debug_print = "R: local_user for $local_part@$domain"
driver = accept
domains = +local_domains
check_local_user
local_parts = ! root
transport = LOCAL_DELIVERY
mail4root:
debug_print = "R: mail4root for $local_part@$domain"
driver = redirect
domains = +local_domains
data = /var/mail/mail
file_transport = address_file
local_parts = root
user = mail
group = mail
begin transports
address_file:
debug_print = "T: address_file for $local_part@$domain"
driver = appendfile
delivery_date_add
envelope_to_add
return_path_add
address_pipe:
debug_print = "T: address_pipe for $local_part@$domain"
driver = pipe
return_fail_output
address_reply:
debug_print = "T: autoreply for $local_part@$domain"
driver = autoreply
mail_spool:
debug_print = "T: appendfile for $local_part@$domain"
driver = appendfile
file = /var/mail/$local_part
delivery_date_add
envelope_to_add
return_path_add
group = mail
mode = 0660
mode_fail_narrower = false
maildir_home:
debug_print = "T: maildir_home for $local_part@$domain"
driver = appendfile
directory = $home/Maildir
delivery_date_add
envelope_to_add
return_path_add
maildir_format
mode = 0600
mode_fail_narrower = false
maildrop_pipe:
debug_print = "T: maildrop_pipe for $local_part@$domain"
driver = pipe
path = "/bin:/usr/bin:/usr/local/bin"
command = "/usr/bin/maildrop"
return_path_add
delivery_date_add
envelope_to_add
procmail_pipe:
debug_print = "T: procmail_pipe for $local_part@$domain"
driver = pipe
path = "/bin:/usr/bin:/usr/local/bin"
command = "/usr/bin/procmail"
return_path_add
delivery_date_add
envelope_to_add
remote_smtp:
debug_print = "T: remote_smtp for $local_part@$domain"
driver = smtp
address_directory:
debug_print = "T: address_directory for $local_part@$domain"
driver = appendfile
envelope_to_add = true
return_path_add = true
check_string = ""
escape_string = ""
maildir_format
begin retry
* * F,2h,15m; G,16h,1h,1.5; F,4d,6h
begin rewrite
*@+local_domains ${lookup{${local_part}}lsearch{/etc/email-addresses}\
{$value}fail} Ffrs
*@+local_domains "${if exists {CONFDIR/email-addresses}\
{${lookup{${local_part}}lsearch{CONFDIR/email-addresses}\
{$value}fail}}fail}" Ffrs
.ifdef DCconfig_satellite
*@+local_domains ${local_part}@DCreadhost Ffr
.endif
begin authenticators
cram_md5:
driver = cram_md5
public_name = CRAM-MD5
client_name = ${extract{1}{:}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}
client_secret = ${extract{2}{:}{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}
plain:
driver = plaintext
public_name = PLAIN
client_send = "${if !eq{$tls_cipher}{}{\
^${extract{1}{::}\
{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}\
^${extract{2}{::}\
{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}\
}fail}"
login:
driver = plaintext
public_name = LOGIN
client_send = "${if !eq{$tls_cipher}{}{}fail}\
: ${extract{1}{::}\
{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}} \
: ${extract{2}{::}\
{${lookup{$host}lsearch*{CONFDIR/passwd.client}{$value}fail}}}"