The Gnus Newsreader

Starting Up	Finding news can be a pain.
Group Buffer	Selecting, subscribing and killing groups.
Summary Buffer	Reading, saving and posting articles.
Article Buffer	Displaying and handling articles.
Composing Messages	Information on sending mail and news.
Select Methods	Gnus reads all messages from various select methods.
Scoring	Assigning values to articles.
Searching	Mail and News search engines.
Various	General purpose settings.
The End	Farewell and goodbye.
Appendices	Terminology, Emacs intro, FAQ, History, Internals.
GNU Free Documentation License	The license for this documentation.
Index	Variable, function and concept index.
Key Index	Key Index.

Detailed Node Listing

Starting Gnus
Finding the News	Choosing a method for getting news.
The Server is Down	How can I read my mail then?
Slave Gnusae	You can have more than one Gnus active at a time.
Fetching a Group	Starting Gnus just to read a group.
New Groups	What is Gnus supposed to do with new groups?
Changing Servers	You may want to move from one server to another.
Startup Files	Those pesky startup files—.newsrc.
Auto Save	Recovering from a crash.
The Active File	Reading the active file over a slow line Takes Time.
Startup Variables	Other variables you might change.
New Groups
Checking New Groups	Determining what groups are new.
Subscription Methods	What Gnus should do with new groups.
Filtering New Groups	Making Gnus ignore certain new groups.
Group Buffer
Group Buffer Format	Information listed and how you can change it.
Group Maneuvering	Commands for moving in the group buffer.
Selecting a Group	Actually reading news.
Subscription Commands	Unsubscribing, killing, subscribing.
Group Data	Changing the info for a group.
Group Levels	Levels? What are those, then?
Group Score	A mechanism for finding out what groups you like.
Marking Groups	You can mark groups for later processing.
Foreign Groups	Creating and editing groups.
Group Parameters	Each group may have different parameters set.
Listing Groups	Gnus can list various subsets of the groups.
Sorting Groups	Re-arrange the group order.
Group Maintenance	Maintaining a tidy .newsrc file.
Browse Foreign Server	You can browse a server. See what it has to offer.
Exiting Gnus	Stop reading news and get some work done.
Group Topics	A folding group mode divided into topics.
Non-ASCII Group Names	Accessing groups of non-English names.
Misc Group Stuff	Other stuff that you can to do.
Group Buffer Format
Group Line Specification	Deciding how the group buffer is to look.
Group Mode Line Specification	The group buffer mode line.
Group Highlighting	Having nice colors in the group buffer.
Group Topics
Topic Commands	Interactive E-Z commands.
Topic Variables	How to customize the topics the Lisp Way.
Topic Sorting	Sorting each topic individually.
Topic Topology	A map of the world.
Topic Parameters	Parameters that apply to all groups in a topic.
Misc Group Stuff
Scanning New Messages	Asking Gnus to see whether new messages have arrived.
Group Information	Information and help on groups and Gnus.
Group Timestamp	Making Gnus keep track of when you last read a group.
File Commands	Reading and writing the Gnus files.
Sieve Commands	Managing Sieve scripts.
Summary Buffer
Summary Buffer Format	Deciding how the summary buffer is to look.
Summary Maneuvering	Moving around the summary buffer.
Choosing Articles	Reading articles.
Paging the Article	Scrolling the current article.
Reply Followup and Post	Posting articles.
Delayed Articles	Send articles at a later time.
Marking Articles	Marking articles as read, expirable, etc.
Limiting	You can limit the summary buffer.
Threading	How threads are made.
Sorting the Summary Buffer	How articles and threads are sorted.
Asynchronous Fetching	Gnus might be able to pre-fetch articles.
Article Caching	You may store articles in a cache.
Persistent Articles	Making articles expiry-resistant.
Sticky Articles	Article buffers that are not reused.
Article Backlog	Having already read articles hang around.
Saving Articles	Ways of customizing article saving.
Decoding Articles	Gnus can treat series of (uu)encoded articles.
Article Treatment	The article buffer can be mangled at will.
MIME Commands	Doing MIMEy things with the articles.
Charsets	Character set issues.
Article Commands	Doing various things with the article buffer.
Summary Sorting	Sorting the summary buffer in various ways.
Finding the Parent	No child support? Get the parent.
Alternative Approaches	Reading using non-default summaries.
Tree Display	A more visual display of threads.
Mail Group Commands	Some commands can only be used in mail groups.
Various Summary Stuff	What didn’t fit anywhere else.
Exiting the Summary Buffer	Returning to the Group buffer, or reselecting the current group.
Crosspost Handling	How crossposted articles are dealt with.
Duplicate Suppression	An alternative when crosspost handling fails.
Security	Decrypt and Verify.
Mailing List	Mailing list minor mode.
Summary Buffer Format
Summary Buffer Lines	You can specify how summary lines should look.
To From Newsgroups	How to not display your own name.
Summary Buffer Mode Line	You can say how the mode line should look.
Summary Highlighting	Making the summary buffer all pretty and nice.
Choosing Articles
Choosing Commands	Commands for choosing articles.
Choosing Variables	Variables that influence these commands.
Reply, Followup and Post
Summary Mail Commands	Sending mail.
Summary Post Commands	Sending news.
Summary Message Commands	Other Message-related commands.
Canceling and Superseding
Marking Articles
Unread Articles	Marks for unread articles.
Read Articles	Marks for read articles.
Other Marks	Marks that do not affect readedness.
Setting Marks	How to set and remove marks.
Generic Marking Commands	How to customize the marking.
Setting Process Marks	How to mark articles for later processing.
Threading
Customizing Threading	Variables you can change to affect the threading.
Thread Commands	Thread based commands in the summary buffer.
Customizing Threading
Loose Threads	How Gnus gathers loose threads into bigger threads.
Filling In Threads	Making the threads displayed look fuller.
More Threading	Even more variables for fiddling with threads.
Low-Level Threading	You thought it was over… but you were wrong!
Decoding Articles
Uuencoded Articles	Uudecode articles.
Shell Archives	Unshar articles.
PostScript Files	Split PostScript.
Other Files	Plain save and binhex.
Decoding Variables	Variables for a happy decoding.
Viewing Files	You want to look at the result of the decoding?
Decoding Variables
Rule Variables	Variables that say how a file is to be viewed.
Other Decode Variables	Other decode variables.
Uuencoding and Posting	Variables for customizing uuencoding.
Article Treatment
Article Highlighting	You want to make the article look like fruit salad.
Article Fontisizing	Making emphasized text look nice.
Article Hiding	You also want to make certain info go away.
Article Washing	Lots of way-neat functions to make life better.
Article Header	Doing various header transformations.
Article Buttons	Click on URLs, Message-IDs, addresses and the like.
Article Button Levels	Controlling appearance of buttons.
Article Date	Grumble, UT!
Article Display	Display various stuff—X-Face, Picons, Smileys, Gravatars
Article Signature	What is a signature?
Article Miscellanea	Various other stuff.
Alternative Approaches
Pick and Read	First mark articles and then read them.
Binary Groups	Auto-decode all articles.
Various Summary Stuff
Summary Group Information	Information oriented commands.
Searching for Articles	Multiple article commands.
Summary Generation Commands
Really Various Summary Commands	Those pesky non-conformant commands.
Article Buffer
Hiding Headers	Deciding what headers should be displayed.
Using MIME	Pushing articles through MIME before reading them.
HTML	Reading HTML messages.
Customizing Articles	Tailoring the look of the articles.
Article Keymap	Keystrokes available in the article buffer.
Misc Article	Other stuff.
Composing Messages
Mail	Mailing and replying.
Posting Server	What server should you post and mail via?
POP before SMTP	You cannot send a mail unless you read a mail.
Mail and Post	Mailing and posting at the same time.
Archived Messages	Where Gnus stores the messages you’ve sent.
Posting Styles	An easier way to specify who you are.
Drafts	Postponing messages and rejected messages.
Rejected Articles	What happens if the server doesn’t like your article?
Signing and encrypting	How to compose secure messages.
Select Methods
Server Buffer	Making and editing virtual servers.
Getting News	Reading USENET news with Gnus.
Using IMAP	Reading mail from IMAP.
Getting Mail	Reading your personal mail with Gnus.
Browsing the Web	Getting messages from a plethora of Web sources.
Other Sources	Reading directories, files.
Combined Groups	Combining groups into one group.
Email Based Diary	Using mails to manage diary events in Gnus.
Gnus Unplugged	Reading news and mail offline.
Server Buffer
Server Buffer Format	You can customize the look of this buffer.
Server Commands	Commands to manipulate servers.
Example Methods	Examples server specifications.
Creating a Virtual Server	An example session.
Server Variables	Which variables to set.
Servers and Methods	You can use server names as select methods.
Unavailable Servers	Some servers you try to contact may be down.
Getting News
NNTP	Reading news from an NNTP server.
News Spool	Reading news from the local spool.
NNTP
Direct Functions	Connecting directly to the server.
Indirect Functions	Connecting indirectly to the server.
Common Variables	Understood by several connection functions.
Getting Mail
Mail in a Newsreader	Important introductory notes.
Getting Started Reading Mail	A simple cookbook example.
Splitting Mail	How to create mail groups.
Mail Sources	How to tell Gnus where to get mail from.
Mail Back End Variables	Variables for customizing mail handling.
Fancy Mail Splitting	Gnus can do hairy splitting of incoming mail.
Group Mail Splitting	Use group customize to drive mail splitting.
Incorporating Old Mail	What about the old mail you have?
Expiring Mail	Getting rid of unwanted mail.
Washing Mail	Removing cruft from the mail you get.
Duplicates	Dealing with duplicated mail.
Not Reading Mail	Using mail back ends for reading other files.
Choosing a Mail Back End	Gnus can read a variety of mail formats.
Mail Sources
Mail Source Specifiers	How to specify what a mail source is.
Mail Source Customization	Some variables that influence things.
Fetching Mail	Using the mail source specifiers.
Choosing a Mail Back End
Unix Mail Box	Using the (quite) standard Un*x mbox.
Babyl	Babyl was used by older versions of Rmail.
Mail Spool	Store your mail in a private spool?
MH Spool	An mhspool-like back end.
Maildir	Another one-file-per-message format.
Mail Folders	Having one file for each group.
Comparing Mail Back Ends	An in-depth looks at pros and cons.
Browsing the Web
Archiving Mail
Web Searches	Creating groups from articles that match a string.
RSS	Reading RDF site summary.
Customizing W3	Doing stuff to Emacs/W3 from Gnus.
Other Sources
Directory Groups	You can read a directory as if it was a newsgroup.
Anything Groups	Dired? Who needs dired?
Document Groups	Single files can be the basis of a group.
Mail-To-News Gateways	Posting articles via mail-to-news gateways.
The Empty Backend	The backend that never has any news.
Document Groups
Document Server Internals	How to add your own document types.
Combined Groups
Virtual Groups	Combining articles from many groups.
Email Based Diary
The NNDiary Back End	Basic setup and usage.
The Gnus Diary Library	Utility toolkit on top of nndiary.
Sending or Not Sending	A final note on sending diary messages.
The NNDiary Back End
Diary Messages	What makes a message valid for nndiary.
Running NNDiary	NNDiary has two modes of operation.
Customizing NNDiary	Bells and whistles.
The Gnus Diary Library
Diary Summary Line Format	A nicer summary buffer line format.
Diary Articles Sorting	A nicer way to sort messages.
Diary Headers Generation	Not doing it manually.
Diary Group Parameters	Not handling them manually.
Gnus Unplugged
Agent Basics	How it all is supposed to work.
Agent Categories	How to tell the Gnus Agent what to download.
Agent Commands	New commands for all the buffers.
Agent Visuals	Ways that the agent may effect your summary buffer.
Agent as Cache	The Agent is a big cache too.
Agent Expiry	How to make old articles go away.
Agent Regeneration	How to recover from lost connections and other accidents.
Agent and flags	How the Agent maintains flags.
Agent and IMAP	How to use the Agent with IMAP.
Outgoing Messages	What happens when you post/mail something?
Agent Variables	Customizing is fun.
Example Setup	An example ~/.gnus.el file for offline people.
Batching Agents	How to fetch news from a cron job.
Agent Caveats	What you think it’ll do and what it does.
Agent Categories
Category Syntax	What a category looks like.
Category Buffer	A buffer for maintaining categories.
Category Variables	Customize’r’Us.
Agent Commands
Group Agent Commands	Configure groups and fetch their contents.
Summary Agent Commands	Manually select then fetch specific articles.
Server Agent Commands	Select the servers that are supported by the agent.
Scoring
Summary Score Commands	Adding score entries for the current group.
Group Score Commands	General score commands.
Score Variables	Customize your scoring. (My, what terminology).
Score File Format	What a score file may contain.
Score File Editing	You can edit score files by hand as well.
Adaptive Scoring	Big Sister Gnus knows what you read.
Home Score File	How to say where new score entries are to go.
Followups To Yourself	Having Gnus notice when people answer you.
Scoring On Other Headers	Scoring on non-standard headers.
Scoring Tips	How to score effectively.
Reverse Scoring	That problem child of old is not problem.
Global Score Files	Earth-spanning, ear-splitting score files.
Kill Files	They are still here, but they can be ignored.
Converting Kill Files	Translating kill files to score files.
Advanced Scoring	Using logical expressions to build score rules.
Score Decays	It can be useful to let scores wither away.
Advanced Scoring
Advanced Scoring Syntax	A definition.
Advanced Scoring Examples	What they look like.
Advanced Scoring Tips	Getting the most out of it.
Searching
nnir	Searching with various engines.
nnmairix	Searching with Mairix.
nnir
What is nnir?	What does nnir do.
Basic Usage	How to perform simple searches.
Setting up nnir	How to set up nnir.
Setting up nnir
Associating Engines	How to associate engines.
Various
Process/Prefix	A convention used by many treatment commands.
Interactive	Making Gnus ask you many questions.
Symbolic Prefixes	How to supply some Gnus functions with options.
Formatting Variables	You can specify what buffers should look like.
Window Layout	Configuring the Gnus buffer windows.
Faces and Fonts	How to change how faces look.
Mode Lines	Displaying information in the mode lines.
Highlighting and Menus	Making buffers look all nice and cozy.
Daemons	Gnus can do things behind your back.
Undo	Some actions can be undone.
Predicate Specifiers	Specifying predicates.
Moderation	What to do if you’re a moderator.
Image Enhancements	Modern versions of Emacs/XEmacs can display images.
Fuzzy Matching	What’s the big fuzz?
Thwarting Email Spam	Simple ways to avoid unsolicited commercial email.
Spam Package	A package for filtering and processing spam.
The Gnus Registry	A package for tracking messages by Message-ID.
Other modes	Interaction with other modes.
Various Various	Things that are really various.
Formatting Variables
Formatting Basics	A formatting variable is basically a format string.
Mode Line Formatting	Some rules about mode line formatting variables.
Advanced Formatting	Modifying output in various ways.
User-Defined Specs	Having Gnus call your own functions.
Formatting Fonts	Making the formatting look colorful and nice.
Positioning Point	Moving point to a position after an operation.
Tabulation	Tabulating your output.
Wide Characters	Dealing with wide characters.
Image Enhancements
X-Face	Display a funky, teensy black-and-white image.
Face	Display a funkier, teensier colored image.
Smileys	Show all those happy faces the way they were meant to be shown.
Picons	How to display pictures of what you’re reading.
Gravatars	Display the avatar of people you read.
XVarious	Other XEmacsy Gnusey variables.
Thwarting Email Spam
The problem of spam	Some background, and some solutions
Anti-Spam Basics	Simple steps to reduce the amount of spam.
SpamAssassin	How to use external anti-spam tools.
Hashcash	Reduce spam by burning CPU time.
Spam Package
Spam Package Introduction
Filtering Incoming Mail
Detecting Spam in Groups
Spam and Ham Processors
Spam Package Configuration Examples
Spam Back Ends
Extending the Spam package
Spam Statistics Package
Spam Statistics Package
Creating a spam-stat dictionary
Splitting mail using spam-stat
Low-level interface to the spam-stat dictionary
Appendices
XEmacs	Requirements for installing under XEmacs.
History	How Gnus got where it is today.
On Writing Manuals	Why this is not a beginner’s guide.
Terminology	We use really difficult, like, words here.
Customization	Tailoring Gnus to your needs.
Troubleshooting	What you might try if things do not work.
Gnus Reference Guide	Rilly, rilly technical stuff.
Emacs for Heathens	A short introduction to Emacsian terms.
Frequently Asked Questions	The Gnus FAQ
History
Gnus Versions	What Gnus versions have been released.
Why?	What’s the point of Gnus?
Compatibility	Just how compatible is Gnus with GNUS?
Conformity	Gnus tries to conform to all standards.
Emacsen	Gnus can be run on a few modern Emacsen.
Gnus Development	How Gnus is developed.
Contributors	Oodles of people.
New Features	Pointers to some of the new stuff in Gnus.
New Features
ding Gnus	New things in Gnus 5.0/5.1, the first new Gnus.
September Gnus	The Thing Formally Known As Gnus 5.2/5.3.
Red Gnus	Third time best—Gnus 5.4/5.5.
Quassia Gnus	Two times two is four, or Gnus 5.6/5.7.
Pterodactyl Gnus	Pentad also starts with P, AKA Gnus 5.8/5.9.
Oort Gnus	It’s big. It’s far out. Gnus 5.10/5.11.
No Gnus	Very punny. Gnus 5.12/5.13
Ma Gnus	Celebrating 25 years of Gnus.
Customization
Slow/Expensive Connection	You run a local Emacs and get the news elsewhere.
Slow Terminal Connection	You run a remote Emacs.
Little Disk Space	You feel that having large setup files is icky.
Slow Machine	You feel like buying a faster machine.
Gnus Reference Guide
Gnus Utility Functions	Common functions and variable to use.
Back End Interface	How Gnus communicates with the servers.
Score File Syntax	A BNF definition of the score file standard.
Headers	How Gnus stores headers internally.
Ranges	A handy format for storing mucho numbers.
Group Info	The group info format.
Extended Interactive	Symbolic prefixes and stuff.
Emacs/XEmacs Code	Gnus can be run under all modern Emacsen.
Various File Formats	Formats of files that Gnus use.
Back End Interface
Required Back End Functions	Functions that must be implemented.
Optional Back End Functions	Functions that need not be implemented.
Error Messaging	How to get messages and report errors.
Writing New Back Ends	Extending old back ends.
Hooking New Back Ends Into Gnus	What has to be done on the Gnus end.
Mail-like Back Ends	Some tips on mail back ends.
Various File Formats
Active File Format	Information on articles and groups available.
Newsgroups File Format	Group descriptions.
Emacs for Heathens
Keystrokes	Entering text and executing commands.
Emacs Lisp	The built-in Emacs programming language.