* Re: [Comm] Courier IMAP
2002-10-28 12:52 ` Dmitry Lebkov
@ 2002-10-28 13:45 ` Прокопьев Евгений
2002-10-28 14:34 ` Dmitry Lebkov
0 siblings, 1 reply; 4+ messages in thread
From: Прокопьев Евгений @ 2002-10-28 13:45 UTC (permalink / raw)
To: community
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Dmitry Lebkov wrote:
> Доброго времени суток,
>
> О софте из Сизифа - пожалуйста в sisyphus@altlinux.ru!
>
> On Mon, 28 Oct 2002 15:14:10 +0300
> Прокопьев Евгений <john@rmts.donpac.ru> wrote:
>
>
>>Здравствуйте!
>>
>>Установил courier-imap и courier-imap-utils из src.rpm в сизифе. В
>>/etc/courier-imap/imapd написал
>>
>>MAXDAEMONS=200
>>MAXPERIP=25
>>IMAPDSTART=YES
>
>
> Приведи остальные параметры из файла imapd. Они там в большинстве
> случаев должны иметь некие правильные значания.
в аттаче
>>Запустил сервисы courier-imapd и courier-authdaemon и вижу
>>
>>[root@john root]# netstat -pan --inet | grep 143
>>tcp 0 0 127.0.0.1:143 0.0.0.0:*
>>LISTEN 5770/couriertcpd
>>
>>Подключиться к IMAP из Мозиллы не могу, отвечают "в соединении с
>>сервером localhost отказано". Что я делаю не так?
>
>
> telnet 127.0.0.1 143 что сообщает?
[john@john john]$ telnet 127.0.0.1 143
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
* OK Courier-IMAP ready. Copyright 1998-2002 Double Precision, Inc. See
COPYING for distribution information.
>>Дополнительные вопросы по теме:
>>
>>1. С Courier IMAP часто используют maildrop. Обязательно ли это и в чем
>>преимущество перед mailbox_command = /usr/sbin/sendmail
>
>
> Courier-IMAP используют с maildrop, т.к. оба поддерживают один формат
> почтовых ящиков - Maildir. Кроме как с этим форматом, Courier-IMAP ни
> с каким другим не работает.
Тогда мантейнеру: почему maildrop нет в зависимостях?
>>2. Существует еще Courier "mail/groupware server", почему тогда вместе
>>Courier IMAP чаще используют Postfix и Qmail, чем его?
>
>
> Пакеты maildrop и courier-imap являются частями проекта Courier-MTA.
> Подробности см. на http://www.courier-mta.org.
Я именно там это и вычитал. Но не совсем понял: вроде бы есть в природе
"родной" Courier MTA (аналог Postfix),
но его почему-то особо не используют, а прикручивают "чужие" MTA. Почему?
--
С уважением, Прокопьев Евгений
[-- Attachment #2: imapd --]
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##VERSION: $Id: imapd.dist.in,v 1.14 2002/06/12 13:55:10 mrsam Exp $
#
# imapd created from imapd.dist by sysconftool
#
# Do not alter lines that begin with ##, they are used when upgrading
# this configuration.
#
# Copyright 1998 - 2002 Double Precision, Inc. See COPYING for
# distribution information.
#
# This configuration file sets various options for the Courier-IMAP server
# when used with the couriertcpd server.
# A lot of the stuff here is documented in the manual page for couriertcpd.
#
# NOTE - do not use \ to split long variable contents on multiple lines.
# This will break the default imapd.rc script, which parses this file.
#
##NAME: ADDRESS:0
#
# Address to listen on, can be set to a single IP address.
#
# ADDRESS=127.0.0.1
ADDRESS=127.0.0.1
##NAME: PORT:1
#
# Port numbers that connections are accepted on. The default is 143,
# the standard IMAP port.
#
# Multiple port numbers can be separated by commas. When multiple port
# numbers are used it is possible to select a specific IP address for a
# given port as "ip.port". For example, "127.0.0.1.900,192.68.0.1.900"
# accepts connections on port 900 on IP addresses 127.0.0.1 and 192.68.0.1
# The previous ADDRESS setting is a default for ports that do not have
# a specified IP address.
PORT=143
##NAME: AUTHSERVICE:0
#
# It's possible to authenticate using a different 'service' parameter
# depending on the connection's port. This only works with authentication
# modules that use the 'service' parameter, such as PAM. Example:
#
AUTHSERVICE143=imap
AUTHSERVICE993=imap
##NAME: MAXDAEMONS:0
#
# Maximum number of IMAP servers started
#
MAXDAEMONS=200
##NAME: MAXPERIP:0
#
# Maximum number of connections to accept from the same IP address
MAXPERIP=25
##NAME: PIDFILE:0
#
# File where couriertcpd will save its process ID
#
PIDFILE=/var/run/imapd.pid
##NAME: TCPDOPTS:0
#
# Miscellaneous couriertcpd options that shouldn't be changed.
#
TCPDOPTS="-nodnslookup -noidentlookup"
# rpc.dracd IP-address. drac-1.11 package is required
#
# DRACADDRESS=127.0.0.1
##NAME: AUTHMODULES:0
#
# Authentication modules. Here's the default list:
#
# authdaemon
#
# The default is set during the initial configuration.
#
AUTHMODULES="authdaemon"
##NAME: AUTHMODULES_ORIG:0
#
# For use by webadmin
AUTHMODULES_ORIG="authdaemon"
##NAME: IMAP_CAPABILITY:0
#
# IMAP_CAPABILITY specifies what most of the response should be to the
# CAPABILITY command.
#
# If you have properly configured Courier to use CRAM-MD5 or CRAM-SHA1
# authentication (see INSTALL), set IMAP_CAPABILITY as follows:
#
# IMAP_CAPABILITY="IMAP4rev1 CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA AUTH=CRAM-MD5 AUTH=CRAM-SHA1"
#
# Otherwise, leave it set to the default value. The IDLE keyword can also
# be added, in experimental mode.
#
IMAP_CAPABILITY="IMAP4rev1 CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA"
##NAME: IMAP_CAPABILITY_ORIG:0
#
# For use by webadmin
IMAP_CAPABILITY_ORIG="IMAP4rev1 CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT AUTH=CRAM-MD5 AUTH=CRAM-SHA1 IDLE"
##NAME: IMAP_IDLE_TIMEOUT:0
#
# If you want to try out the IDLE extension, this setting controls how often
# the server polls for changes to the folder, in IDLE mode (in seconds).
IMAP_IDLE_TIMEOUT=60
##NAME: IMAP_CAPABILITY_TLS:0
#
# The following setting will advertise SASL PLAIN authentication after
# STARTTLS is established. If you want to allow SASL PLAIN authentication
# with or without TLS then just comment this out, and add AUTH=PLAIN to
# IMAP_CAPABILITY
IMAP_CAPABILITY_TLS="$IMAP_CAPABILITY AUTH=PLAIN"
##NAME: IMAP_TLS_ORIG:0
#
# For use by webadmin
IMAP_CAPABILITY_TLS_ORIG="$IMAP_CAPABILITY_ORIG AUTH=PLAIN"
##NAME: IMAP_DISABLETHREADSORT:0
#
# Set IMAP_DISABLETHREADSORT to disable the THREAD and SORT commands -
# server side sorting and threading.
#
# Those capabilities will still be advertised, but the server will reject
# them. Set this option if you want to disable all the extra load from
# server-side threading and sorting. Not advertising those capabilities
# will simply result in the clients reading the entire folder, and sorting
# it on the client side. That will still put some load on the server.
# advertising these capabilities, but rejecting the commands, will stop this
# silliness.
#
IMAP_DISABLETHREADSORT=0
##NAME: IMAP_CHECK_ALL_FOLDERS:0
#
# Set IMAP_CHECK_ALL_FOLDERS to 1 if you want the server to check for new
# mail in every folder. Not all IMAP clients use the IMAP's new mail
# indicator, but some do. Normally new mail is checked only in INBOX,
# because it is a comparatively time consuming operation, and it would be
# a complete waste of time unless mail filters are used to deliver
# mail directly to folders.
#
# When IMAP clients are used which support new mail indication, and when
# mail filters are used to sort incoming mail into folders, setting
# IMAP_CHECK_ALL_FOLDERS to 1 will allow IMAP clients to announce new
# mail in folders. Note that this will result in slightly more load on the
# server.
#
IMAP_CHECK_ALL_FOLDERS=0
##NAME: IMAP_OBSOLETE_CLIENT:0
#
# Set IMAP_OBSOLETE_CLIENT if your IMAP client expects \\NoInferiors to mean
# what \\HasNoChildren really means.
IMAP_OBSOLETE_CLIENT=0
##NAME: IMAP_ULIMITD:0
#
# IMAP_ULIMITD sets the maximum size of the data segment of the server
# process. The value of IMAP_ULIMITD is simply passed to the "ulimit -d"
# command. The argument to ulimit -d sets the upper limit on the size
# of the data segment of the server process, in kilobytes. The default
# value of 65536 sets a very generous limit of 64 megabytes, which should
# be more than plenty for anyone.
#
# This feature is used as an additional safety check that should stop
# any potential denial-of-service attacks that exploit any kind of
# a memory leak to exhaust all the available memory on the server.
# It is theoretically possible that obscenely huge folders will also
# result in the server running out of memory when doing server-side
# sorting (by my calculations you have to have at least 100,000 messages
# in a single folder, for that to happen).
IMAP_ULIMITD=65536
##NAME: IMAP_USELOCKS:0
#
# Set IMAP_USELOCKS to 1 if you experience weird problems when using IMAP
# clients that open multiple connections to the server. I would hope that
# most IMAP clients are sane enough not to issue commands to multiple IMAP
# channels which conflict with each other.
#
IMAP_USELOCKS=0
##NAME: IMAP_EMPTYTRASH:0
#
# The following setting is optional, and causes messages from the given
# folder to be automatically deleted after the given number of days.
# IMAP_EMPTYTRASH is a comma-separated list of folder:days. The default
# setting, below, purges 7 day old messages from the Trash folder.
# Another useful setting would be:
#
# IMAP_EMPTYTRASH=Trash:7,Sent:30
#
# This would also delete messages from the Sent folder (presumably copies
# of sent mail) after 30 days. This is a global setting that is applied to
# every mail account, and is probably useful in a controlled, corporate
# environment.
#
# You might want to disable this setting in certain situations - it results
# in a stat() of every file in each folder, at login and logout.
#
IMAP_EMPTYTRASH=Trash:7
##NAME: IMAP_MOVE_EXPUNGE_TO_TRASH:0
#
# Set IMAP_MOVE_EXPUNGE_TO_TRASH to move expunged messages to Trash. This
# effectively allows an undo of message deletion by fishing the deleted
# mail from trash. Trash can be manually expunged as usually, and mail
# will get automatically expunged from Trash according to IMAP_EMPTYTRASH.
#
# NOTE: shared folders are still expunged as usual. Shared folders are
# not affected.
#
IMAP_MOVE_EXPUNGE_TO_TRASH=0
##NAME: OUTBOX:0
#
# The next set of options deal with the "Outbox" enhancement.
# Uncomment the following setting to create a special folder, named
# INBOX.Outbox
#
# OUTBOX=.Outbox
##NAME: SENDMAIL:0
#
# If OUTBOX is defined, mail can be sent via the IMAP connection by copying
# a message to the INBOX.Outbox folder. For all practical matters,
# INBOX.Outbox looks and behaves just like any other IMAP folder. If this
# folder doesn't exist it must be created by the IMAP mail client, just
# like any other IMAP folder. The kicker: any message copied or moved to
# this folder is will be E-mailed by the Courier-IMAP server, by running
# the SENDMAIL program. Therefore, messages copied or moved to this
# folder must be well-formed RFC-2822 messages, with the recipient list
# specified in the To:, Cc:, and Bcc: headers. Courier-IMAP relies on
# SENDMAIL to read the recipient list from these headers (and delete the Bcc:
# header) by running the command "$SENDMAIL -oi -t -f $SENDER", with the
# message piped on standard input. $SENDER will be the return address
# of the message, which is set by the authentication module.
#
# DO NOT MODIFY SENDMAIL, below, unless you know what you're doing.
#
SENDMAIL=/usr/bin/sendmail
##NAME: HEADERFROM:0
#
# For administrative and oversight purposes, the return address, $SENDER
# will also be saved in the X-IMAP-Sender mail header. This header gets
# added to the sent E-mail (but it doesn't get saved in the copy of the
# message that's saved in the folder)
#
# WARNING - By enabling OUTBOX above, *every* IMAP mail client will receive
# the magic OUTBOX treatment. Therefore advance LARTing is in order for
# _all_ of your lusers, until every one of them is aware of this. Otherwise if
# OUTBOX is left at its default setting - a folder name that might be used
# accidentally - some people may be in for a rude surprise. You can redefine
# the name of the magic folder by changing OUTBOX, above. You should do that
# and pick a less-obvious name. Perhaps brand it with your organizational
# name ( OUTBOX=.WidgetsAndSonsOutbox )
HEADERFROM=X-IMAP-Sender
##NAME: IMAPDSTART:0
#
# IMAPDSTART is not used directly. Rather, this is a convenient flag to
# be read by your system startup script in /etc/rc.d/init.d/courier-imapd.
#
# The default setting is going to be NO, until Courier is shipped by default
# with enough platforms so that people get annoyed with having to flip it to
# YES every time.
IMAPDSTART=YES
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