[] access maps addresses, email [See spam] [See queue manager] [See also MDAs; MTAs; MUAs] mailing list mailing list, Mailman virtual alias append_dot_mydomain parameter attacks [See dictionary attacks] authentication [See SASL]
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[] blacklisted sites realtime blacklists
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[] [See Certificate Authority] classes client certificates [See certificates] command-line tools commands common name [See also building Postfix] relay (mail delivery agents) control [See master.cf file] continuation of lines Cyrus IMAP
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[] debugging deferred messages definitions delays [See MDAs] dictionary attacks directories MX records documentation [See DNS] domain names fully-qualified domains
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[] email encoding errors host
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[] [See also alias files; aliases]
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[] header checks headers hostnames [See also DNS] system
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[] include files inet sockets input/output Internet Internet Engineering Task Force (IETF) [See IMAP] IP addresses [See DNS]
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[] line continuation local delivery [See LMTP] local_transport parameter [See alias files]
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[] [See also email, Internet] [See MDAs] mail delivery loops mail exchangers [See MTAs] [See MUAs] [See message stores POP/IMAP] [See MLMs] main.cf [See regular expressions] messages, email
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[] names network email networks
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[] [See OTP authentication mechanism]
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[] passwords [See regular expressions] Perl plaintext passwords ports [See regexp] [See POP POP/IMAP] Postfix processes pseudo-accounts
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[] [See queue management] queue scans [See also (see also queue management; entries under individual queue names]]
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[] recipients regular expressions [See also response codes] rejecting messages spam sites reloading Postfix remote users [See response codes] [See RFCs] response codes restrictions [See POP/IMAP]
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[] [See OTP authentication mechanism] [See SASL] [See TLS] sender sender addresses [See MAIL FROM command] [See SASL authentication] [See SMTP] sites [See blacklisted sites] size strict syntax smtpd_client_restrictions sockets [See TLS] [See strict syntax checking] strict syntax strict syntax checking [See root account] symlinks [See strict syntax checking] system startup
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[] ! (exclamation point) " (quotation marks) $ (dollar sign) / (slash)
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[] [See TLS] transport types transports
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[] [See spam] [See spam] user accounts separate domains with virtual accounts system users [See passwords]
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Reviews |
Reader Reviews |
Errata |
Academic |
Postfix: The Definitive Guide | By Kyle D. Dent | Publisher | : O'Reilly | Pub Date | : December 2003 | ISBN | : 0-596-00212-2 | Pages | : 264 |
Postfix: The Definitive Guide easesreaders from the basic configuration to the full power ofPostfix. It discusses the interfaces to various tools thatround out a fully scalable and highly secure email system.These tools include POP, IMAP, LDAP, MySQL, SimpleAuthentication and Security Layer (SASL), and TransportLayer Security (TLS, an upgrade of SSL). A reference sectionfor Postfix configuration parameters and an installationguide are included. | A.1 Postfix Parameter Reference
"2bounce" is one of severalpossible error classes. Each class of error can optionally generatean error notice. 2bounce_notice_recipient designates the recipient address for "2bounce" error notices.
Possible values:
email address
Default:
postmaster
Example:
2bounce_notice_recipient = postmaster
SMTP response code sent when a requestis rejected because of an access map restriction.
Possible values:
reply code
Default:
Example:
access_map_reject_code = 554
List ofalias databases used by the local delivery agent.
Possible values:
alias maps
Default: hash:/etc/aliases, nis
mail.aliases
Example:
alias_maps = hash:/etc/aliases, nis:mail.aliases
Restricts or allows local maildelivery to external files when expanded from an alias file.
Possible values:
explicit list
Default:
alias,forward
Example:
allow_mail_to_files = alias, forward
The percent hack is an old workaroundthat allowed sender-controlled routing of email messages. Nowadays,DNS and mail routing are much more reliable, but Postfix continues tosupport the hack. To turn off percent rewriting, set allow_percent_hack to no .
Possible values:
yes/no
Default:
yes
Example:
allow_percent_hack = yes
alternate_config_directories |
The commands postqueueand postdrop have options to use a differentdirectory when reading the Postfix configuration file. Anynonstandard directories you plan to use must be listed in thisparameter.
Possible values:
directory
Default:
(null)
Example:
alternate_config_directories = /usr/local/postfix/conf
Expands incomplete email addresses byappending the value from myorigin onto addressesthat consist of a local part only. Changes to user@host.example.com .
Possible values:
yes/no
Default:
yes
Example:
append_at_myorigin = yes
VERP is a technique used with mailinglists to handle bounced messages. It combines the list owner addressand original recipient address with a special delimiter character. authorized_verp_clients contains a list of hostand domain names and IP addresses of clients that are allowed to usethe feature.
Possible values:
hosts/domains
Default:
$mynetworks
Example:
authorized_verp_clients = $mynetworks
berkeley_db_read_buffer_size |
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