Differences

This shows you the differences between two versions of the page.

--- cyrus [2006/09/25 16:44]
a db4 errors
+++ cyrus [2009/05/25 00:35]
127.0.0.1 external edit
@@ Line 1: / Line 1: @@
+====== Cyrus  ======
+===== Configuration =====
+  * [[http://cyrusimap.web.cmu.edu/twiki/]]
+  * [[cyrus:performance|Performance note]]
+==== LMTP over quota-reject ====
+without taking mail and chacking over LMTP see:
+   * [[http://article.gmane.org/gmane.mail.exim.user/39609]]
+**''/etc/imapd.conf''**
+  # If  enabled,  lmtpd returns a permanent failure code when a user's
+  # mailbox is over quota.  By  default,  the  failure  is  temporary,
+  # causing the MTA to queue the message and retry later.
+  lmtp_over_quota_perm_failure: 1
+-----
+===== Cyrus 2.1.x to 2.2.x migration (debian) =====
+''//This is one of the ways to do it.//''
+==== backup ====
+  * stop all cyrus proccesses
+  * create a full backup of the mailbox spooldir ''en: /var/spool/cyrus/mail''
+    tar cvfz /safeplace/cyrus-mailboxspool-backup.tgz /var/spool/cyrus/mail
+  * dump mboxlist in textfile as cyrus user
+   su - cyrus -c "/usr/sbin/ctl_mboxlist -d > /tmp/mailboxes-dump.txt"
+  * create a backup of ''/var/lib/cyrus'' just in case everything goes to ..
+**Whole Cyrus backup guide**
+  * http://cyrusimap.web.cmu.edu/twiki/bin/view/Cyrus/Backup
+  * [[http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html|Snapshot backups]]
+==== TODO ====
+**TODO**
+===== Cyrus extra =====
+Patches:
+   * [[http://cyrus.brong.fastmail.fm/|FastMail.FM Cyrus Imapd Patches]]
+===== Working with BerkeleyDB =====
+==== Testing performances ====
+in your cyrus dbd dir do:
+   db_stat -m
+==== Twicking DBD settings ====
+**''db/DB_CONFIG''**
+  # Sample BDB configuration file.
+  # Please adjust as necessary!
+  # See http://www.openldap.org/faq/data/cache/893.html for hints and tips
+  # even if you are not using openldap.
+  # cache
+  # use "db4.2_stat -m" to measure cache performance
+  # see http://www.sleepycat.com/docs/api_c/env_set_cachesize.html
+  # syntax: gigabytes_of_cache additional_bytes_of_cache number_of_caches
+  set_cachesize 0 524288 1
+  # buffer size for transaction log
+  # The default of 32Kbytes is too small
+  # see http://www.sleepycat.com/docs/api_c/env_set_lg_bsize.html
+  set_lg_bsize 524288
+  # other options you may be interested in
+  # set_lg_dir: configure a separate directory for the transaction logs
+  # For optimum performance, these should reside on a different disk
+  # see http://www.sleepycat.com/docs/api_c/env_set_lg_dir.html
+  # set_lg_max: configure the maximum size of the transaction log file, in bytes
+  # See http://www.sleepycat.com/docs/api_c/env_set_lg_max.html
+  # Note that lg_max must at least be 4x the size of lg_bsize. The default is 10Mb.
+**''example (2-8GB RAM)''**
+  set_cachesize 2 0 8
+  set_lg_regionmax 268435456
+  set_lg_bsize 67108864
+  set_flags DB_TXN_WRITE_NOSYNC
+**''DB_CONFIG from one of the largest cyrus sites''**
+  set_cachesize 0 2097152 1
+  set_lg_regionmax 2097152
+  set_lg_bsize 2097152
+  set_lg_max 16777216
+  set_tx_max 100
+==== rehasing DB ====
+Stop cyrus server, run **''db_recover -h /var/lib/imap/db''** and start cyrus
+===== Troubleshooting =====
+==== DBERROR db4: 21 lockers ====
+Getting something like this
+   Sep 25 16:39:34 localhost cyrus/lmtp[1544]: DBERROR db4: 558 lockers
+see this: http://www.web-cyradm.org/pipermail/web-cyradm/2003-November/016829.html
+===== Sieve filtering =====
+==== Filtering Mailing Lists ====
+  require "fileinto";
+  if header :contains "X-BeenThere" "some-list" {
+    fileinto "INBOX.some-list";
+  }
+==== Marking Messages As Read ====
+  require [ "fileinto", "imapflags" ];
+  if header :contains "X-BeenThere" "some-list" {
+   if header :contains "From"
+   [
+     "somejerk@example.com",
+     "anotherjerk@example.net"
+   ]
+  {
+    addflag "\\Seen";
+  }
+  fileinto "INBOX.some-list";
+ }
+==== Spamassassin-learn / Spam-folder purge ====
+  echo "spam fooSpam"
+  /usr/bin/sa-learn --spam $SPOOLDIR/d/user/dwight/Spam/*.
+  echo "ham dwight/Trash"
+  /usr/bin/sa-learn --ham $SPOOLDIR/d/user/dwight/Trash/*.
+  /usr/bin/sa-learn --rebuild
+  su cyrus -c '/usr/lib/cyrus-imapd/ipurge -f -d 14 user/dwight/Trash'
+  su cyrus -c '/usr/lib/cyrus-imapd/ipurge -f -d 1 user/dwight/Spam'