Murder Hardware Our current (August 12, 2008) configuration follows. The load it is currently supporting can be derived from graphs server. Our peak load with this ...

This perl script will copy an existing user's mailbox to a new mailbox, preserving all imap flags. I suspect the Seen flag is lost though as that is tracked on a ...

Getting "createmailbox: Permission denied" errors when trying to create a mailbox? If virtdomains is set to "yes" or "on," cyrus tries to do a reverse lookup in order ...

This topic is intended to be a jumping off point for techniques for handling the day to day administration of a CyrusImapd or CyrusSasl system. It is important to ...

Alternate Namespace The altnamespace setting in /etc/imapd.conf changes the way the mailbox list is presented to users (including fileinto directives in Sieve ...

Cyrus Authentication An Overview A lot of questions and problems when using Cyrus IMAPd revolve around user authentication. This is largely owed to the fact that ...

We track all of the bugs / feature requests in Bugzilla. This is mostly because we are pretty forgetful and it helps us track issues specifically. If an issue is ...

CyrusCluster Overview The Question if it is possible to run Cyrus as a high availability and or load balancing cluster was often discussed on the CyrusMailingLists ...

General Contact Information Please direct all correspondence to cyrus bugs #64;andrew.cmu.edu. Note that questions about CyrusLicensing are handled slightly differently ...

Given that you have a username john #64;domain.tld, unless you escape the '@' as explained below, cyrus deliver will claim that the mailbox does not exist. instead ...

The Cyrus Team always welcomes patches sent either to one of the CyrusMailingLists or to cyrus bugs #64;andrew.cmu.edu If you want to get involved, you'll want to ...

Currently, the Cyrus project only distributes Cyrus IMAPd and Cyrus SASL as source code. If you prefer not to work directly with the source distribution you don ...

The authoritative source for documentation is in the doc/ directory inside of the distribution (see GettingCyrusSoftware). If you want to suggest a change, please ...

The Cyrus Software FAQ This will hopefully grow to be a respository of commonly asked questions on the CyrusMailingLists. If you don't find what you're looking for ...

I'm installing Cyrus on a ssytem that will have access to an IBM FAStT SAN with GPFS (a parallel filesystem allowing multiple servers to share a filesystem on ...

Can I use (insert shared file system here) to make a highly available Cyrus? In short, we don't recommend it. If you want to do it, it may possibly work but you may ...

Prior to 1994, CMU used the locally developed and non standard AndrewMailSystem (AMS) for its email communication needs. Originally written in the early 80s as part ...

TWikiGuest 21 Oct 2005

Cyrus IMAPd refers to the suite of applications based around a common high performance mail store. These applications include an IMAP Server, a POP3 Server, a LMTP ...

File Locking in Cyrus IMAP In order to guard against deadlocks, we want to maintain the same order of acquiring locks throughout the system (this may be violated in ...

Some general hints that I think may be generally useful to people hacking on the cyrus source (originally based off of the doc/internal/hacking file from Cyrus 2 ...

NOTE: This is woefully incomplete, it only covers waitevents. Minimally we should also discuss prot select and the bigbuffer stuff from 2.2, perhaps with an overview ...

There are a few ways to look at the problem of writing interoperabile software. One common suggestion is the concept of "Be liberal in what you accept, but strict ...

Cyrus LMTP Case Sensitivity and bounced e mail? If you are using a newer and standard compliant MTA to deliver mail to Cyrus IMAP's LMTP agent you may run into a ...

Please direct technical questions or issues to cyrus bugs #64;andrew.cmu.edu. Please direct any licensing issues to tech transfer #64;andrew.cmu.edu. ALL versions ...

Using a database as the main message store for Cyrus is not currently supported. According to discussions on the mailing list, there is little benefit in adding such ...

TWikiGuest 21 Oct 2005

The Lists cyrus announce@lists.andrew.cmu.edu This is a low traffic mailing list used only for announcements related to Cyrus releases. info cyrus@lists.andrew.cmu ...

Cyrus Murder (Aggregator) Overview As our development and use of cyrus progressed, it became obvious that it would be necessary to add horizontal scalability to ...

Cyrus IMAP Aggregator Design Abstract The Cyrus IMAP Aggregator transparently distributes IMAP and POP mailboxes across multiple servers. Unlike other systems for ...

Cyrus Murder Failure Modes and Notes This page is for documenting what happens when a part of the Cyrus Murder fails, how to recover from failures, and commons DOs ...

Does the CyrusMurder support High Availability configurations? The CyrusMurder clustering solution drasticly increases system wide reliability as compared to a traditional ...

Mail Delivery in A Cyrus Murder There are several alternate ways to handle mail delivery in a Cyrus murder, which may improve performance depending on your setup and ...

Cyrus Murder Mupdate Details Please note that this document is not an authoritative MUPDATE protocol reference. For that, you should refer to 3656 Abstract The Mailbox ...

I'm having problems detecting Berkley DB on my Red Hat Linux machine Modern Redhat Linux ships with a Berkeley DB compiled with pthreads, which cyrus is unable ...

When trying to compile Cyrus IMAPd on Red Hat Linux or Fedora, you may be encountering errors like these: In file included from /usr/include/openssl/ssl.h:179, ...

A Basic document is available here http://cyrusimap.web.cmu.edu/imapd/install replication.html

Cyrus SASL refers to the CMU Implementation of the SASL C API. This includes the implementation of a number of SaslMechanisms along with some database backends and ...

Cyrus SASL Components As the SASL library is a 'glue layer' between many different parts of the authentication system, there are a lot of different components that ...

TWikiGuest 21 Oct 2005

Cyrus Sasl Errors "can't getkeyhandle" utility: sasldblistusers2 version: 2.x description : the sasldblistusers2 utility reports the following error ...

Cyrus Server Metadata How do I remove server metadata, such as motd ? Use none as the value. E.g.: cyradm setinfo motd none What can be done with this metadata ...

Cyrus Sieve Cyrus Sieve is an implementation of the Sieve mail filtering language (RFC 3028). Mail filtering occurs on delivery of the message (within lmtpd). Cyrus ...

Why is a blank line added in the middle of the header lines in vacation and rejection notices when using exim? This problem results from Cyrus using CRLF sequences ...

If you're having trouble with Cyrus, please read the CyrusFAQ as well, as your question may be answered there. This page is designed to talk about general Cyrus troubleshooting ...

Because many of the Sieve features are autoresponders, Cyrus tries to be a good network citizen by adhering to the appropriate RFCs: From RFC 2821: This notification ...

Some hints for setting up virtual domains First of all see the install virtdomains.html file in your cyrus distribution. Global admins Pay attention to this in the ...