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Index: Symbols and Numbers

>>> as leading characters : 4.2. Verbose (-v)

nested

10.4. Nested Angle Brackets
17.1.1.2. Strip to left of <

null address : (see addresses, null)

* in mail queue listing

4.1.2. Show Queue Mode (-bp)
23.4. Printing the Queue

@ flag : 30.8. Alphabetized F= Flags

@ symbol in addresses

17.1.1.3. Handle null address
29.4.5. Focusing for @ Syntax

\ (backslash)

in header fields : 35.3.2. Escape Character in the Header Field
in rules : 28.1.2.1. Backslashes in rules

! in UUCP addresses

17.1.4. UUCP Addresses
19.6. Alphabetized m4 Macros

: (colon) in addresses

17.1.2.1. A rule to handle List:;
34.8. Alphabetized Reference

: flag : 30.8. Alphabetized F= Flags

{} (curly braces)

5.3.2. Macros
5.3.5. Class Macros
7.1. Overview

$ (dollar sign)

$ line (qf file) : 23.9. The qf File Internals
$ rule-testing command : 38.3.1. Dump a Defined Macro with $
in macro names : 31.5. Macro Expansion: $ and $&

$ operators

8.7. Wildcard Operators

(see also wildcard operators)

$1, $2, ... : (see positional operators)

$> : 28.6.4. Rewrite Through Another Rule Set: $>set

$* : 10.2.1. The LHS

$@

9.2.2. The Host ($@)
9.3. Testing Rule Set 0
11.4.1. Rewrite the Lone Username
17.1.1.3. Handle null address
33.4.2. Specify Numbered Substitution with $@

$[ and $]

19.6. Alphabetized m4 Macros
21.2.4. The $[ and $] Operators
28.6.6. Canonicalize Hostname: $[ and $]
33.4.3. $[ and $]: A Special Case

$:

9.2.3. The User ($:)
9.3. Testing Rule Set 0
29.6.1. Further Processing: $:user
30.5.3. The $: Part
33.4.1. Specify a Default with $:

$.

14.1.3. Testing So Far
31.6. Macro Conditionals: $?, $|, and $.

$#

9.2.1. The Delivery Agent ($#)
28.6.5. Specify a Delivery Agent: $#

$- : 11.4.1. Rewrite the Lone Username

$( and $) : 33.4. Use Maps with $( and $) in Rules

$+ : 8.7. Wildcard Operators

$?

14.1.3. Testing So Far
31.6. Macro Conditionals: $?, $|, and $.

$| : 31.6. Macro Conditionals: $?, $|, and $.

$ prefixes

$&

28.6.4. Rewrite Through Another Rule Set: $>set
31.5.3. Use Value as Is with $&

$@ : 28.6.3. Rewrite-and-Return Prefix: $@

$:

28.6.2. Rewrite Once Prefix: $:
33.4. Use Maps with $( and $) in Rules

$=

12.1. The Class Command
32.2.1. Matching Any in a Class: $=

$~ : 32.2.2. Matching Any Not in a Class: $~

$@ DSN code : 30.5.2.1. The $@ dsn part

$= rule-testing command : 38.3.2. Dump a Class Macro with $=

$_ macro

20.2.4. Verify identd Information
23.9. The qf File Internals
26.1.3.9. relay= the host that sent or accepted the message
31.10. Alphabetized Reference

. (dot)

. line (qf file) : 23.9. The qf File Internals

to end messages

4.2. Verbose (-v)
30.8. Alphabetized F= Flags

host status file line : B.1. Status file lines

leading in messages : 34.8. Alphabetized Reference

trailing in FQDNs

15.3. MX Records
17.4. Rule Set 4
29.5.1. Stripping Trailing Dots

# for comments

5.1. Overview
5.2.2. Comments
27.2. Comments
38.2. Configuration Lines
in :include: lists : 25.2.1. Comments in :include: Lists
in m4 files : 19.5. Pitfalls

# lines in sendmail.cf : 3.1. Role in the Filesystem

- (hyphen) in machine conversation : 4.2. Verbose (-v)

% in addresses

17.1.5. The % Hack
21.5.1. Offsite MX Hosts

+ (plus)

in configuration file : 1.3.1. The Configuration File
marking users with : 24.4.3. Plussed Users

? for delivery agent flags

14.2. Headers Versus Delivery Agent Flags
35.4. ?flags? in Header Definitions

` and ' (single quotation marks) : 19.1.1. m4 is greedy

" (quotation marks)

13.2.8. The Unquoted Space Replacement Character

31.3.2. Syntax of the Configuration File Macro's Text

stripping from addresses

30.8. Alphabetized F= Flags
33.3.4.9. -q don't strip quotes from key (V8.7 and above)

/ character in alias

24.2.2. Delivery to Files
25.7.3. Appending to Files

/ flag : 30.8. Alphabetized F= Flags

~ for user home directory : 25.7. The User's ~/.forward File

| flag : 30.8. Alphabetized F= Flags

| in addresses : (see programs, delivering to)

| prefix

22.4.3. The F Command - Program Form
24.2.3. Delivery via Programs

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