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1 | prayer for Debian |
1 | prayer for Debian |
2 | ----------------- |
2 | ----------------- |
3 | 3 | ||
4 | The Debian version of Prayer is built with SSL support with session |
4 | The Debian version of Prayer is built with SSL support with session |
5 | cache using libdb4.3, gzip Content-Transfer-Encoding, LDAP, and System |
5 | cache using libdb4.6, gzip Content-Transfer-Encoding, LDAP, and System |
6 | V mutex support. The previous version, which was only uloaded to the |
6 | V mutex support. The previous version, which was only uloaded to the |
7 | experimental distribution, was heavily patched to add UTF-8 and IPv6 |
7 | experimental distribution, was heavily patched to add UTF-8 and IPv6 |
8 | support among other things. All that has been incorporated and |
8 | support among other things. All that has been incorporated and |
9 | improved by upstream in 1.1.0. The remaining patches concern changes |
9 | improved by upstream in 1.1.0. The remaining patches concern changes |
10 | to default configuration regarding directory structure, and minor |
10 | to the default configuration as detailed below, or fix bugs. You can |
- | 11 | always find information about patches in changelog.Debian.gz. |
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- | 12 | ||
- | 13 | To enable Prayer, you must edit /etc/default/prayer and change |
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- | 14 | ENABLED=0 to ENABLED=1. But before you do that you should go through |
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- | 15 | /etc/prayer/prayer.cf and adapt it to your needs. In particular, if |
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- | 16 | you already run a web server on this machine you need to change |
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- | 17 | use_http_port (and use_https_port) to something else. |
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- | 18 | ||
- | 19 | Debian-specific configuration defaults: |
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- | 20 | ||
- | 21 | * Static files (templates, icons, CSS files) are installed in |
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- | 22 | /usr/share/prayer in accordance with policy. The prefix option |
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- | 23 | points there, while var_prefix, the location of pid files |
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- | 24 | (pid_dir), sockets (socket_dir), and the SSL session cache |
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- | 25 | (ssl_session_dir), is /var/run/prayer and subdirectories. Log |
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- | 26 | files are written to /var/log/prayer (log_dir) and /tmp is used to |
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- | 27 | temporarily store uploaded attachments (tmp_dir). |
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- | 28 | ||
- | 29 | * Prayer by default runs as user prayer (created on install) and |
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- | 30 | group nogroup. The prayer user is added to the ssl-cert group on |
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- | 31 | installation, so that it can access keys in /etc/ssl/private. |
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- | 32 | ||
- | 33 | * ssl_cert_file and ssl_privatekey_file point to the "snake oil" |
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- | 34 | certificate and key created by the ssl-cert package, so that you |
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- | 35 | only have to uncomment use_https_port to enable encryption. For a |
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- | 36 | production server you should of course install a real certificate. |
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- | 37 | ||
- | 38 | * Support for SSL session caching is compiled in, but caching is |
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- | 39 | disabled by default, as it probably doesn't make that much a |
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- | 40 | difference on modern hardware. To enable it, uncomment the |
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- | 41 | ssl_session_timeout setting in prayer.cf. You should also arrange |
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- | 42 | for prayer-ssl-prune and prayer-db-prune to be run periodically, |
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- | 43 | for example by placing symlinks to them in /etc/cron.hourly or |
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- | 44 | /etc/cron.daily. |
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- | 45 | ||
- | 46 | * The default IMAP folders for sent mail (sent_mail_folder) and |
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- | 47 | drafts (postponed_folder) are "Sent" and "Drafts", respectively, |
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- | 48 | the default for Mozilla Thunderbird and others (although many IMAP |
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11 | cosmetic changes to the folder list. |
49 | clients unfortunately use localized folder names). |
- | 50 | ||
- | 51 | * socket_split_dir is off by default to reduce complexity when |
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- | 52 | testing. You will probably only need it if you have lots of |
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- | 53 | simultaneous users and a file system without directory indexes. |
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- | 54 | ||
- | 55 | Customizing templates: |
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- | 56 | ||
- | 57 | To use customized templates you must set template_use_compiled to |
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- | 58 | FALSE in prayer.cf. Then copy the template (.t file) you wish to |
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- | 59 | customize from /usr/share/prayer/templates to the corresponding |
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- | 60 | location under /etc/prayer/templates and edit it there. Prayer will |
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- | 61 | still use the compiled-in versions of the remaining templates, thanks |
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- | 62 | to a small patch. |
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12 | 63 | ||
13 | Quirks: |
64 | Quirks: |
14 | 65 | ||
15 | * If your IMAP server supports STARTTLS, then Prayer (actually the |
66 | * If your IMAP server supports STARTTLS, then Prayer (actually the |
16 | libc-client IMAP client library) will use it automatically. To |
67 | libc-client IMAP client library) will use it automatically. To |
Line 25... | Line 76... | ||
25 | * If your IMAP server is Dovecot (or any of a number of others, |
76 | * If your IMAP server is Dovecot (or any of a number of others, |
26 | probably), then you must change prefs_folder_name to something not |
77 | probably), then you must change prefs_folder_name to something not |
27 | containing a dot. Unfortunately this means that the preference |
78 | containing a dot. Unfortunately this means that the preference |
28 | folder will be fully visible. |
79 | folder will be fully visible. |
29 | 80 | ||
- | 81 | * Prayer doesn't handle signals gracefully yet, which means that it |
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- | 82 | will leave SysV semaphores lying around when it is stopped or |
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- | 83 | restarted. You can use ipcs to find them and ipcrm to delete them. |
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- | 84 | ||
- | 85 | * While Prayer does its best to remove potentially harmful tags from |
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- | 86 | HTML email, it doesn't try to convert it to XHTML. This means that |
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- | 87 | Prayer's output is conformant XHTML only when not viewing HTML |
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- | 88 | mail. |
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- | 89 | ||
- | 90 | * Prayer deletes mail the IMAP way, which is by marking messages as |
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- | 91 | deleted and leaving them in their folders. Prayer always lists |
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- | 92 | deleted messages (with a special icon) and expunges (deletes |
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- | 93 | permanently) deleted messages only when explicitly requested. |
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- | 94 | Before that they can be undeleted at any time by "unmarking" them. |
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- | 95 | ||
- | 96 | Most mail client software deletes mail by moving it to a "trash" |
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- | 97 | folder, which in reality means creating a copy in the trash folder |
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- | 98 | and marking the original deleted. Messages that are marked as |
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- | 99 | deleted are usually never listed, cannot be unmarked, and are often |
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- | 100 | automatically expunged. These two approaches are rather |
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- | 101 | incompatible, but some software can take either. |
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- | 102 | ||
30 | -- Magnus Holmgren <holmgren@debian.org>, Tue, 13 May 2008 22:27:11 +0200 |
103 | -- Magnus Holmgren <holmgren@debian.org>, Mon, 23 Jun 2008 20:57:05 +0200 |
31 | 104 |