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Index: S
- s class
: 32.5. Alphabetized Reference
- =S command (rule-testing mode)
: 8.5. The Workspace
- S configuration command
- 
  - 5.3.4. Rule Sets
  - 8.3. Rule Sets
  - 27.2. Comments
  - 29.1. The S Configuration Command
 
- -s database switch
: 33.3.4.10. -s  space replacement character (V8.7 and above)
- s flag
: 30.8. Alphabetized F= Flags
- S flag
: 30.8. Alphabetized F= Flags
- S line (host status file)
: B.1. Status file lines
- S line (qf file)
- 
  - 23.4. Printing the Queue
  - 23.9. The qf File Internals
 
- $s macro
- 
  - 23.9. The qf File Internals
  - 31.10. Alphabetized Reference
  - 36.7. Alphabetized Reference
 
- $S macro
: 31.10. Alphabetized Reference
- s option
: (see SuperSafe (s) option)
- S option
: (see StatusFile (S) option)
- S rule-testing command
: 38.4.1. Show Rules in a Rule Set with =S
- -s switch
: 36.7. Alphabetized Reference
- S= equate
- 
  - 6.3. The local Delivery Agent
  - 6.3.1. Skipping Rule Sets
  - 11.2. Rule Set S=
  - 29.6.2. Selecting S= and R=
  - 30.4. The Equates
 
- SafeFileEnvironment option
- 
  - 22.8.3.6. The SafeFileEnvironment option
  - 24.2.2. Delivery to Files
  - 34.8. Alphabetized Reference
 
- SaveFromLine (f) option
- 
  - 34.8. Alphabetized Reference
  - 36.7. Alphabetized Reference
 
- saving
- 
  - aliases in symbol table
  
- 
    - 24.5.4. No DBM Aliasing
    - 33.8. Alphabetized Reference
  
 
- bounced messages in qf file
: 23.3.6. Savemail Panic
 
- scanf command
: 32.1.2.1. scanf(3) variations
- SCANF macro
: 18.8. Alphabetized Reference
- security
- 
  - 18.2. Vendor Versus Compiling
  - 22. Security
  - bogus qf files
  
- 
    - 23.3. A Bogus qf File (V8 only): Qf
    - 23.9. The qf File Internals
  
 
- C line (qf file)
: 23.9. The qf File Internals
  - check_relay rule set
: 29.10.3. The check_relay Rule Set
  - default user identities
: 13.2.5. The Default User Identities
  - environment variables and
  
- 
    - 5.3.12. Environment variables
    - 22.2. The Environment
  
 
- -f switch and
  
- 
    - 14.6. Trusted User
    - 22.8.1. Trusted Users
  
 
- file permissions
: 13.2.4. The Default File Permissions
  - files and
: (see appending to files)
  - firewalls
: (see firewalls)
  - forged mail
  
- 
    - 13.2.1. The Location of the Queue Directory
    - 22.7. Forged Mail
  
 
- :include: lists
: 25.2.2. Tradeoffs
  - IP_SRCROUTE macro
: 18.8. Alphabetized Reference
  - preventing workstation as gateway
: 20.2.2. Workstation Refuses to Act as a Mail Gateway
  - queuing everything
: 34.8. Alphabetized Reference
  - rejecting mail from certain sites
: 20.2.6. Reject Mail from Spamming or Mail-bombing Sites
  - RunAsUser option
: 34.8. Alphabetized Reference
  - safe sendmail options
: 34.1.4. Options that Are Safe
  - sendmail restricted shell
: 19.6. Alphabetized m4 Macros
  - sendmail.cf and
: 22.4. The Configuration File
  - SUID_ROOT_FILES_OK macro
: 18.8. Alphabetized Reference
  - trusted users
: 19.6. Alphabetized m4 Macros
 
- selecting delivery agents
: (see rule set 0)
- semiprivileged users
: 22.5. Permissions
- sender
- 
  - 29.6.2. Selecting S= and R=
  - (see also S= equate)
  - address of
: (see sender's address)
  - check_mail rule set
: 29.10.1. The check_mail Rule Set
  - of envelope, logging
: 26.1.3.3. from= show envelope sender
  - full name for
  
- 
    - 36.7. Alphabetized Reference
    - (see $x macro)
  
 
- headers for
: 35.6.2. Sender Headers
  - running sendmail as
: 36.7. Alphabetized Reference
  - unknown
: 35.10. Alphabetized Reference
 
- "Sender:" header line
: 35.10. Alphabetized Reference
- sender's address
- 
  - 6.3. The local Delivery Agent
  - 11.1. Flow of the Sender's Address
  - 23.4. Printing the Queue
  - 23.9. The qf File Internals
  - 31.10. Alphabetized Reference
  - 36.7. Alphabetized Reference
  - (see also $f macro; $g macro; rule set 1)
  - default format of
: 31.10. Alphabetized Reference
  - genericstable feature
: 19.6. Alphabetized m4 Macros
  - hostname part
: (see $s macro)
  - rewriting
: 11.4.1. Rewrite the Lone Username
  - testing with check_compat
: 29.10.4. The check_compat Rule Set
 
- sending messages
- 
  - 13.4. Sending Mail
  - 14.5. Sending Real Mail
 
- sendmail
- 
  - configuration macros
: 18.8. Alphabetized Reference
  - (dis)advantages to
: 18.1. To Use or Not to Use
  - exit values
: 36.5. sendmail's exit() Status
  - future of
: The Future
  - history of
  
- 
    - History
    - 27.5. The V Configuration Command
  
 
- installing and configuring
  
- 
    - 2.1. Get the Source
    - 18.6. Install sendmail
  
 
- location of
: 36.1. Alternative argv[0] Names
  - m4 diversions, reserved
: 19.1.4. m4 diversions
  - obtaining source code
  
- 
    - 2.1. Get the Source
    - 18.3. Obtain the Source
  
 
- pid for
: (see $p macro)
  - readying for DNS
: 21.1.2. Make sendmail DNS Aware
  - required options
: 13.2. Required Options
  - restricted shell
: 19.6. Alphabetized m4 Macros
  - running manually
: 1.4. Run sendmail by Hand
  - starting operating mode
: 31.10. Alphabetized Reference
  - Sun Microsystem's enhancements to
: D. Sun Enhancements
  - version of
: (see version)
 
- "savemail panic" message
: 23.3.6. Savemail Panic
- sendmail.cf configuration file
- 
  - 1.3.1. The Configuration File
  - 3.1. Role in the Filesystem
  - 5. The sendmail.cf File
  - 22.4. The Configuration File
  - 27. The Configuration File
  - 36.4.4. Fourth: Read the Configuration File
  - commands
: 5.1. Overview
  - defining macros in
: 31.3. Configuration File Definitions
  - freezing
: 36.7. Alphabetized Reference
  - inappropriate options for
: 34.1.3. Appropriateness of Options
  - installing
: 15.6. Install the client.cf File
  - location of
: 36.7. Alphabetized Reference
  - pathname for
: 18.8. Alphabetized Reference
  - rule-testing mode and
: 38.2. Configuration Lines
  - testing
: 15.1. Test the Configuration File
  - troubleshooting
: 27.6. Pitfalls
 
- sendmail.ct file
: 19.6. Alphabetized m4 Macros
- sendmail.cw file
: 19.6. Alphabetized m4 Macros
- sendmail.pid file, pathname for
: 18.8. Alphabetized Reference
- sendmail.st file
: 26.2.1. The sendmail.st File
- sendmailvars file
: D.4. L and G Configuration Commands
- "sendmailvars:" header line
: D.4. L and G Configuration Commands
- SendMimeErrors (j) option
: 34.8. Alphabetized Reference
- sequence database class
: 33.8. Alphabetized Reference
- servers
- 
  - caching servers
: 21.1. Overview
  - local
: 19.6. Alphabetized m4 Macros
  - name servers
: 21.1. Overview
  - offsite
: 21.5.2. Offsite Servers
 
- ServiceSwitchFile option
- 
  - 21.2.3. Look Up Addresses for Delivery
  - 24.1.1. The aliases(5) file's location
  - 34.8. Alphabetized Reference
 
- seteuid, setreuid routines
: 22.1.1. Test seteuid and setreuid
- SevenBitInput (7) option
: 34.8. Alphabetized Reference
- severity level, warning
- 
  - 26.1.1. syslog(3)
  - 26.1.2. Tuning syslog.conf
 
- shells file
: (see /etc/shells file)
- show queue mode
: 4.1.2. Show Queue Mode (-bp)
- showq command (SMTP)
: 22.3.1. SMTP debug
- signals
: 26.3. Signaling the Daemon
- Simple Mail Transfer Protocol
: (see SMTP)
- single quotation marks (` and ')
: 19.1.1. m4 is greedy
- single-character options
: (see options, sendmail)
- SingleLineFromHeader option
- 
  - 18.8. Alphabetized Reference
  - 34.8. Alphabetized Reference
 
- SingleThreadDelivery option
- 
  - 34.1.3. Appropriateness of Options
  - 34.8. Alphabetized Reference
 
- SITE macro (m4)
: 19.6. Alphabetized m4 Macros
- SITECONFIG macro (m4)
: 19.4.6. UUCP
- size
- 
  - determining free disk space
: 18.8. Alphabetized Reference
  - df file
: 23.4. Printing the Queue
  - guest messages
: 20.2.3. Limit the Size of Guest Messages
  - messages
  
- 
    - 26.1.3.10. size= the size of the message
    - 30.4. The Equates
    - 34.8. Alphabetized Reference
  
 
- prescan buffer
: 18.8. Alphabetized Reference
  - queue
: 18.8. Alphabetized Reference
  - setting maxima
: 18.8. Alphabetized Reference
  - syslog buffers
: 18.8. Alphabetized Reference
 
- SIZE keyword (ESMTP)
: 34.8. Alphabetized Reference
- size= equate (syslog output)
: 26.1.3.10. size= the size of the message
- slocal program
: 25.7.5.3. The slocal program
- Smail3.x
: 18.1. To Use or Not to Use
- smart hosts
- 
  - 19.6. Alphabetized m4 Macros
  - 29.6.4. Forwarding to a Knowledgeable Host
  - 31.10. Alphabetized Reference
 
- SMART_HOST macro (m4)
- 
  - 19.6. Alphabetized m4 Macros
  - 31.10. Alphabetized Reference
 
- smrsh feature
: 19.6. Alphabetized m4 Macros
- smrsh program
: 22.8.2. The smrsh Program
- SMTP (Simple Mail Transfer Protocol)
- 
  - 4.2. Verbose (-v)
  - 18.8. Alphabetized Reference
  - EHLO command
  
- 
    - 4.2. Verbose (-v)
    - 34.8. Alphabetized Reference
  
 
- ETRN command
: 23.6.2.4. Process the queue via ESMTP ETRN
  - EXPN command
  
- 
    - 22.3.2. SMTP vrfy and expn
    - 22.8.3.5. The PrivacyOptions option
  
 
- Extended
: (see ESMTP)
  - forging mail with
: 22.7.2. Forging with SMTP
  - greeting message
: 31.10. Alphabetized Reference
  - HELO command
  
- 
    - 18.8. Alphabetized Reference
    - 30.8. Alphabetized F= Flags
    - 34.8. Alphabetized Reference
  
 
- incoming connection rate
: 34.8. Alphabetized Reference
  - MAIL command
  
- 
    - 29.10.1. The check_mail Rule Set
    - 34.8. Alphabetized Reference
  
 
- multiple connections
: 34.8. Alphabetized Reference
  - multiple timeouts
: 34.8. Alphabetized Reference
  - RCPT command
  
- 
    - 23.9. The qf File Internals
    - 29.10.2. The check_rcpt Rule Set
    - 36.7. Alphabetized Reference
  
 
- refusing on high load
: 34.8. Alphabetized Reference
  - running on stdin
: 36.7. Alphabetized Reference
  - SMTP probes
: 22.3. SMTP Probes
  - status codes
: B.1. Status file lines
  - VRFY command
  
- 
    - 22.3.2. SMTP vrfy and expn
    - 22.8.3.5. The PrivacyOptions option
    - 30.8. Alphabetized F= Flags
  
 
 
- smtpd daemon
: 36.1.5. smtpd
- SMTPDEBUG macro
- 
  - 18.8. Alphabetized Reference
  - 22.3.1. SMTP debug
 
- SmtpGreetingMessage option
- 
  - 31.10. Alphabetized Reference
  - 34.8. Alphabetized Reference
 
- SMTPLINELIM macro
: 18.8. Alphabetized Reference
- SOA records
: 15.3. MX Records
- software error
: 36.5.7. EX_SOFTWARE  An Internal Software Error
- Solaris
- 
  - 18.8. Alphabetized Reference
  - D. Sun Enhancements
 
- sorting by priority
: (see priority, message)
- sorting queue
: 34.8. Alphabetized Reference
- source code
- 
  - db library package
: C.2. Get the Source
  - obtaining
: 18.3. Obtain the Source
 
- source code, obtaining
: 2.1. Get the Source
- source-routing, IP
: 18.8. Alphabetized Reference
- space
: (see whitespace)
- spams
: 20.2.6. Reject Mail from Spamming or Mail-bombing Sites
- special
- 
  - aliases
: 24.4. Special Aliases
  - characters
  
- 
    - 31.3.2. Syntax of the Configuration File Macro's Text
    - 35.3. Header Field Contents
    - 35.3.4.1. Balancing special characters
  
 
- operators
: (see wildcard operators)
  - rule sets
: (see rule sets)
 
- special-delivery precedence
: 14.4. Precedence
- SPT_TYPE macro
: 18.8. Alphabetized Reference
- src directory
: 2.3. What's What in src
- stab database class
: 33.8. Alphabetized Reference
- Start of Authority
: (see SOA records)
- startup operating mode
: 31.10. Alphabetized Reference
- stat= equate (syslog output)
: 26.1.3.11. stat= status of delivery
- statistics
: 26.2. Statistics
- 
  - cron program and
: 26.2.3. Using cron for Daily and Weekly Statistics
  - specifying file for
: 34.8. Alphabetized Reference
  - StatusFile option and
: 22.4.5. The S Option and the Statistics File
  - syslog utility and
: 26.1.4. Gathering Statistics from syslog
 
- status
- 
  - host status file
: B.1. Status file lines
  - SMTP codes for
: B.1. Status file lines
  - UNIX exit values
: B.1. Status file lines
 
- "Status:" header line
: B.1. Status file lines
- StatusFile (S) option
- 
  - 22.4.5. The S Option and the Statistics File
  - 26.2.1. The sendmail.st File
  - 34.8. Alphabetized Reference
 
- stdin, running SMTP on
: 36.7. Alphabetized Reference
- STDIR= directive
: 18.4.8. STDIR=
- stickyhost feature
: 19.6. Alphabetized m4 Macros
- string-type arguments
: 34.5. Option Argument Types
- strings command
: 33.1. Enable at Compile Time
- stripping
- 
  - character high bit
: 30.8. Alphabetized F= Flags
  - comments from headers
: 30.8. Alphabetized F= Flags
  - newlines from "From:" headers
: 34.8. Alphabetized Reference
  - quotation marks
  
- 
    - 30.8. Alphabetized F= Flags
    - 33.3.4.9. -q  don't strip quotes from key (V8.7 and above)
  
 
 
- stuck locks
: 23.2.3.3. Locks can get stuck
- subdomain name
- 
  - 7.3.1. The hostname
  - 12.1.7. Adding the Domain
  - (see also $m macro)
 
- "Subject:" header line
- 
  - 1.6. The Body
  - 35.10. Alphabetized Reference
 
- subroutines, rules as
: 28.6.4. Rewrite Through Another Rule Set: $>set
- success data, DSN delivery
: 30.5.2.1. The $@ dsn part
- suid root
: (see root user)
- SUID_ROOT_FILES_OK macro
: 18.8. Alphabetized Reference
- Sun vendor specification
: 27.5.1. The vendor
- Sun's enhancements to sendmail
: D. Sun Enhancements
- SuperSafe (s) option
- 
  - 23.6.1. Periodically with -q
  - 34.8. Alphabetized Reference
 
- suppressing header lines
: 20.3. Alphabetized V8.8 Subroutines
- suspicious characters
- 
  - 22.8.2. The smrsh Program
  - 23.3.4. Unknown Control Character in qf File
 
- svc.conf file
: 7.3.1. The hostname
- switch database class
: 33.8. Alphabetized Reference
- switched services
: 34.8. Alphabetized Reference
- switches, command-line
- 
  - 18.2. Vendor Versus Compiling
  - 36.2. Command-Line Switches
  - 36.4.3. Third: Process Switches
  - ignoring illegal
: 36.7. Alphabetized Reference
  - for makemap program
: 33.2.1. makemap Command-Line Switches
 
- symbol table
: 12.1.3. Class Macros in the LHS
- symbolic name, delivery agent
: 30.2. The Symbolic Name
- sys_errlist
: 18.5.3. Badly defined sys_errlist
- SYS_TYPE macro
: 18.8. Alphabetized Reference
- sysexits.h file
- 
  - 36.5. sendmail's exit() Status
  - B.1. Status file lines
 
- syslog utility
: (see logging)
- syslog.conf file
: 26.1.2. Tuning syslog.conf
- SYSLOG_BUFSIZE macro
: 18.8. Alphabetized Reference
- system
: (see operating system)
- 
  - identity of
: 31.7.1. Macros and the System Identity
  - OSTYPE declaration
  
- 
    - 16.2.2. OSTYPE
    - 19.3.1. OSTYPE()
  
 
 
- system administration
- 
  - breaking forward loops
: 25.7.2. Forwarding Loops
  - logging
: (see logging)
  - statistics
: 26.1.4. Gathering Statistics from syslog
 
- SYSTEM5 macro
: 18.8. Alphabetized Reference
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 O'Reilly & Associates, Inc.
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