# TWIG Administrators Manual |
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### 8.1.1 University of Washington IMAP server The University of Washington's IMAP server is very common on open source Unixes. If you are running Linux, it may very well be using this server. For brevity this IMAP server is often called the imap-uw, UoW IMAP, etc. The official release of imap-uw manages to maintain compatibility with the traditional /var/mail style of mailbox storage that is common in the Unix world. In order to do this, it often creates "place holder" messages which the imapd daemon will ignore but are in the file store none-the-less. If you use this server, TWIG should not show these place holders. However, remember to not access those files directly. If you use qmail and/or Debian Linux, take note of the qmail patches to imapd-uw. They alter the above behavior so that the imapd is able to understand qmail's maildir format. While this is certainly helpful, it can also cause problems with TWIG's ability to retrieve a list of folders from the imapd. The patches have a bug in them at the time of this writing (September 1999) which cause the number of folders to be reported incorrectly. The results are that TWIG will list every folder twice. It is recommended that the imapd-uw software be installed without this patch and that qmail simply deliver emails to the traditional /var/mail location and format. One more behavior glitch should be noted. This server will only allow one concurrent write-capable session. All other attempts to access any folder will be demoted to read-only access. This is simply the nature of this IMAP server. In practice, this only becomes an issue if a user is accessing their email via TWIG on two computers at once (or using TWIG and pine at the same time, etc.) #### Common Settings Some common settings for TWIG when using this IMAP server include the following: $config["imap_path"] = "mail/"; ...or... $config["imap_path"] = ""; ...or... $config["imap_path"] = "Mail/"; ...or something similar, depending upon your compile-time settings. $config["imap_sentfolder"] = "sent-mail"; This one is really a matter of preference. The string "sent-mail" is often used due to its compatibility with pine. $config["imap_cyrus"] = 0; This is only set to "1" when using Cyrus and no shared folders. Cyrus and imapd-uw are mutually excusive.

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