Adding upstream version 3.4.23.upstream/3.4.23upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 478 insertions, 0 deletions

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+#++
+# NAME
+#	access 5
+# SUMMARY
+#	Postfix SMTP server access table
+# SYNOPSIS
+#	\fBpostmap /etc/postfix/access\fR
+#
+#	\fBpostmap -q "\fIstring\fB" /etc/postfix/access\fR
+#
+#	\fBpostmap -q - /etc/postfix/access <\fIinputfile\fR
+# DESCRIPTION
+#	This document describes access control on remote SMTP client
+#	information: host names, network addresses, and envelope
+#	sender or recipient addresses; it is implemented by the
+#	Postfix SMTP server.  See \fBheader_checks\fR(5) or
+#	\fBbody_checks\fR(5) for access control on the content of
+#	email messages.
+#
+#	Normally, the \fBaccess\fR(5) table is specified as a text file
+#	that serves as input to the \fBpostmap\fR(1) command.
+#	The result, an indexed file in \fBdbm\fR or \fBdb\fR format,
+#	is used for fast searching by the mail system. Execute the
+#	command "\fBpostmap /etc/postfix/access\fR" to rebuild an
+#	indexed file after changing the corresponding text file.
+#
+#	When the table is provided via other means such as NIS, LDAP
+#	or SQL, the same lookups are done as for ordinary indexed files.
+#
+#	Alternatively, the table can be provided as a regular-expression
+#	map where patterns are given as regular expressions, or lookups
+#	can be directed to TCP-based server. In those cases, the lookups
+#	are done in a slightly different way as described below under
+#	"REGULAR EXPRESSION TABLES" or "TCP-BASED TABLES".
+# CASE FOLDING
+# .ad
+# .fi
+#	The search string is folded to lowercase before database
+#	lookup. As of Postfix 2.3, the search string is not case
+#	folded with database types such as regexp: or pcre: whose
+#	lookup fields can match both upper and lower case.
+# TABLE FORMAT
+# .ad
+# .fi
+#	The input format for the \fBpostmap\fR(1) command is as follows:
+# .IP "\fIpattern action\fR"
+#	When \fIpattern\fR matches a mail address, domain or host address,
+#	perform the corresponding \fIaction\fR.
+# .IP "blank lines and comments"
+#	Empty lines and whitespace-only lines are ignored, as
+#	are lines whose first non-whitespace character is a `#'.
+# .IP "multi-line text"
+#	A logical line starts with non-whitespace text. A line that
+#	starts with whitespace continues a logical line.
+# EMAIL ADDRESS PATTERNS
+# .ad
+# .fi
+#	With lookups from indexed files such as DB or DBM, or from networked
+#	tables such as NIS, LDAP or SQL, patterns are tried in the order as
+#	listed below:
+# .IP \fIuser\fR@\fIdomain\fR
+#	Matches the specified mail address.
+# .IP \fIdomain.tld\fR
+#	Matches \fIdomain.tld\fR as the domain part of an email address.
+# .sp
+#	The pattern \fIdomain.tld\fR also matches subdomains, but only
+#	when the string \fBsmtpd_access_maps\fR is listed in the Postfix
+#	\fBparent_domain_matches_subdomains\fR configuration setting.
+# .IP \fI.domain.tld\fR
+#	Matches subdomains of \fIdomain.tld\fR, but only when the
+#	string \fBsmtpd_access_maps\fR is not listed in the Postfix
+#	\fBparent_domain_matches_subdomains\fR configuration setting.
+# .IP \fIuser\fR@
+#	Matches all mail addresses with the specified user part.
+# .PP
+#	Note: lookup of the null sender address is not possible with
+#	some types of lookup table. By default, Postfix uses \fB<>\fR
+#	as the lookup key for such addresses. The value is specified with
+#	the \fBsmtpd_null_access_lookup_key\fR parameter in the Postfix
+#	\fBmain.cf\fR file.
+# EMAIL ADDRESS EXTENSION
+# .fi
+# .ad
+#	When a mail address localpart contains the optional recipient delimiter
+#	(e.g., \fIuser+foo\fR@\fIdomain\fR), the lookup order becomes:
+#	\fIuser+foo\fR@\fIdomain\fR, \fIuser\fR@\fIdomain\fR, \fIdomain\fR,
+#	\fIuser+foo\fR@, and \fIuser\fR@.
+# HOST NAME/ADDRESS PATTERNS
+# .ad
+# .fi
+#	With lookups from indexed files such as DB or DBM, or from networked
+#	tables such as NIS, LDAP or SQL, the following lookup patterns are
+#	examined in the order as listed:
+# .IP \fIdomain.tld\fR
+#	Matches \fIdomain.tld\fR.
+# .sp
+#	The pattern \fIdomain.tld\fR also matches subdomains, but only
+#	when the string \fBsmtpd_access_maps\fR is listed in the Postfix
+#	\fBparent_domain_matches_subdomains\fR configuration setting.
+# .IP \fI.domain.tld\fR
+#	Matches subdomains of \fIdomain.tld\fR, but only when the
+#	string \fBsmtpd_access_maps\fR is not listed in the Postfix
+#	\fBparent_domain_matches_subdomains\fR configuration setting.
+# .IP \fInet.work.addr.ess\fR
+# .IP \fInet.work.addr\fR
+# .IP \fInet.work\fR
+# .IP \fInet\fR
+#	Matches the specified IPv4 host address or subnetwork. An
+#	IPv4 host address is a sequence of four decimal octets
+#	separated by ".".
+#
+#	Subnetworks are matched by repeatedly truncating the last
+#	".octet" from the remote IPv4 host address string until a
+#	match is found in the access table, or until further
+#	truncation is not possible.
+#
+#	NOTE 1: The access map lookup key must be in canonical form:
+#	do not specify unnecessary null characters, and do not
+#	enclose network address information with "[]" characters.
+#
+#	NOTE 2: use the \fBcidr\fR lookup table type to specify
+#	network/netmask patterns. See \fBcidr_table\fR(5) for details.
+# .IP \fInet:work:addr:ess\fR
+# .IP \fInet:work:addr\fR
+# .IP \fInet:work\fR
+# .IP \fInet\fR
+#	Matches the specified IPv6 host address or subnetwork. An
+#	IPv6 host address is a sequence of three to eight hexadecimal
+#	octet pairs separated by ":".
+#
+#	Subnetworks are matched by repeatedly truncating the last
+#	":octetpair" from the remote IPv6 host address string until
+#	a match is found in the access table, or until further
+#	truncation is not possible.
+#
+#	NOTE 1: the truncation and comparison are done with the
+#	string representation of the IPv6 host address. Thus, not
+#	all the ":" subnetworks will be tried.
+#
+#	NOTE 2: The access map lookup key must be in canonical form:
+#	do not specify unnecessary null characters, and do not
+#	enclose network address information with "[]" characters.
+#
+#	NOTE 3: use the \fBcidr\fR lookup table type to specify
+#	network/netmask patterns. See \fBcidr_table\fR(5) for details.
+#
+#	IPv6 support is available in Postfix 2.2 and later.
+# ACCEPT ACTIONS
+# .ad
+# .fi
+# .IP \fBOK\fR
+#	Accept the address etc. that matches the pattern.
+# .IP \fIall-numerical\fR
+#	An all-numerical result is treated as OK. This format is
+#	generated by address-based relay authorization schemes
+#	such as pop-before-smtp.
+# .PP
+#	For other accept actions, see "OTHER ACTIONS" below.
+# REJECT ACTIONS
+# .ad
+# .fi
+#	Postfix version 2.3 and later support enhanced status codes
+#	as defined in RFC 3463.
+#	When no code is specified at the beginning of the \fItext\fR
+#	below, Postfix inserts a default enhanced status code of "5.7.1"
+#	in the case of reject actions, and "4.7.1" in the case of
+#	defer actions. See "ENHANCED STATUS CODES" below.
+# .IP "\fB4\fINN text\fR"
+# .IP "\fB5\fINN text\fR"
+#	Reject the address etc. that matches the pattern, and respond with
+#	the numerical three-digit code and text. \fB4\fINN\fR means "try
+#	again later", while \fB5\fINN\fR means "do not try again".
+#
+#	The following responses have special meaning for the Postfix
+#	SMTP server:
+# .RS
+# .IP "\fB421 \fItext\fR (Postfix 2.3 and later)"
+# .IP "\fB521 \fItext\fR (Postfix 2.6 and later)"
+#	After responding with the numerical three-digit code and
+#	text, disconnect immediately from the SMTP client.  This
+#	frees up SMTP server resources so that they can be made
+#	available to another SMTP client.
+# .IP
+#	Note: The "521" response should be used only with botnets
+#	and other malware where interoperability is of no concern.
+#	The "send 521 and disconnect" behavior is NOT defined in
+#	the SMTP standard.
+# .RE
+# .IP "\fBREJECT \fIoptional text...\fR
+#	Reject the address etc. that matches the pattern. Reply with
+#	"\fB$access_map_reject_code \fIoptional text...\fR" when the
+#	optional text is
+#	specified, otherwise reply with a generic error response message.
+# .IP "\fBDEFER \fIoptional text...\fR
+#	Reject the address etc. that matches the pattern. Reply with
+#	"\fB$access_map_defer_code \fIoptional text...\fR" when the
+#	optional text is
+#	specified, otherwise reply with a generic error response message.
+# .sp
+#	This feature is available in Postfix 2.6 and later.
+# .IP "\fBDEFER_IF_REJECT \fIoptional text...\fR
+#	Defer the request if some later restriction would result in a
+#	REJECT action. Reply with "\fB$access_map_defer_code 4.7.1
+#	\fIoptional text...\fR" when the
+#	optional text is specified, otherwise reply with a generic error
+#	response message.
+# .sp
+#	Prior to Postfix 2.6, the SMTP reply code is 450.
+# .sp
+#	This feature is available in Postfix 2.1 and later.
+# .IP "\fBDEFER_IF_PERMIT \fIoptional text...\fR
+#	Defer the request if some later restriction would result in a
+#	an explicit or implicit PERMIT action.
+#	Reply with "\fB$access_map_defer_code 4.7.1 \fI optional
+#	text...\fR" when the
+#	optional text is specified, otherwise reply with a generic error
+#	response message.
+# .sp
+#	Prior to Postfix 2.6, the SMTP reply code is 450.
+# .sp
+#	This feature is available in Postfix 2.1 and later.
+# .PP
+#	For other reject actions, see "OTHER ACTIONS" below.
+# OTHER ACTIONS
+# .ad
+# .fi
+# .IP \fIrestriction...\fR
+#	Apply the named UCE restriction(s) (\fBpermit\fR, \fBreject\fR,
+#	\fBreject_unauth_destination\fR, and so on).
+# .IP "\fBBCC \fIuser@domain\fR"
+#	Send one copy of the message to the specified recipient.
+# .sp
+#	If multiple BCC actions are specified within the same SMTP
+#	MAIL transaction, with Postfix 3.0 only the last action
+#	will be used.
+# .sp
+#	This feature is available in Postfix 3.0 and later.
+# \" .IP "\fBDELAY \fItime\fR"
+# \"	Place the message into the deferred queue, and delay the
+# \"	initial delivery attempt by \fItime\fR. The time value may
+# \"	be followed by a one-character suffix that specifies the
+# \"	time unit: s (seconds), m (minutes), h (hours), d (days),
+# \"	w (weeks).  The default time unit is s (seconds).
+# \" .sp
+# \"	Limitations:
+# \" .RS
+# \" .IP \(bu
+# \"	This action affects all the recipients of the message.
+# \" .IP \(bu
+# \"	The delay value has no effect with remote file systems that
+# \"	don't correctly emulate UNIX local file system semantics.
+# \"	In that case, the delay will be half of $queue_run_delay
+# \"	on average.
+# \" .IP \(bu
+# \"	Mail will still be delivered with "sendmail -q", "postfix
+# \"	flush" or "postqueue -f".
+# \" .IP \(bu
+# \"	Delayed mail increases the amount of disk I/O during deferred
+# \"	queue scans. When large amounts of mail are queued for
+# \"	delayed delivery it may be preferable to use the HOLD feature
+# \"	instead.
+# \" .RE
+# \" .IP
+# \"	This feature is available in Postfix 2.3 and later.
+# .IP "\fBDISCARD \fIoptional text...\fR
+#	Claim successful delivery and silently discard the message.
+#	Log the optional text if specified, otherwise log a generic
+#	message.
+# .sp
+#	Note: this action currently affects all recipients of the message.
+#	To discard only one recipient without discarding the entire message,
+#	use the transport(5) table to direct mail to the discard(8) service.
+# .sp
+#	This feature is available in Postfix 2.0 and later.
+# .IP \fBDUNNO\fR
+#	Pretend that the lookup key was not found. This
+#	prevents Postfix from trying substrings of the lookup key
+#	(such as a subdomain name, or a network address subnetwork).
+# .sp
+#	This feature is available in Postfix 2.0 and later.
+# .IP "\fBFILTER \fItransport:destination\fR"
+#	After the message is queued, send the entire message through
+#	the specified external content filter. The \fItransport\fR
+#	name specifies the first field of a mail delivery agent
+#	definition in master.cf; the syntax of the next-hop
+#	\fIdestination\fR is described in the manual page of the
+#	corresponding delivery agent.  More information about
+#	external content filters is in the Postfix FILTER_README
+#	file.
+# .sp
+#	Note 1: do not use $\fInumber\fR regular expression
+#	substitutions for \fItransport\fR or \fIdestination\fR
+#	unless you know that the information has a trusted origin.
+# .sp
+#	Note 2: this action overrides the main.cf \fBcontent_filter\fR
+#	setting, and affects all recipients of the message. In the
+#	case that multiple \fBFILTER\fR actions fire, only the last
+#	one is executed.
+# .sp
+#	Note 3: the purpose of the FILTER command is to override
+#	message routing.  To override the recipient's \fItransport\fR
+#	but not the next-hop \fIdestination\fR, specify an empty
+#	filter \fIdestination\fR (Postfix 2.7 and later), or specify
+#	a \fItransport:destination\fR that delivers through a
+#	different Postfix instance (Postfix 2.6 and earlier). Other
+#	options are using the recipient-dependent \fBtrans\%port\%_maps\fR
+#	or the sen\%der-dependent
+#	\fBsender\%_de\%pen\%dent\%_de\%fault\%_trans\%port\%_maps\fR
+#	features.
+# .sp
+#	This feature is available in Postfix 2.0 and later.
+# .IP "\fBHOLD \fIoptional text...\fR"
+#	Place the message on the \fBhold\fR queue, where it will
+#	sit until someone either deletes it or releases it for
+#	delivery.
+#	Log the optional text if specified, otherwise log a generic
+#	message.
+#
+#	Mail that is placed on hold can be examined with the
+#	\fBpostcat\fR(1) command, and can be destroyed or released with
+#	the \fBpostsuper\fR(1) command. 
+# .sp
+#	Note: use "\fBpostsuper -r\fR" to release mail that was kept on
+#	hold for a significant fraction of \fB$maximal_queue_lifetime\fR
+#	or \fB$bounce_queue_lifetime\fR, or longer. Use "\fBpostsuper -H\fR"
+#	only for mail that will not expire within a few delivery attempts.
+# .sp
+#	Note: this action currently affects all recipients of the message.
+# .sp
+#	This feature is available in Postfix 2.0 and later.
+# .IP "\fBPREPEND \fIheadername: headervalue\fR"
+#	Prepend the specified message header to the message.
+#	When more than one PREPEND action executes, the first
+#	prepended header appears before the second etc. prepended
+#	header.
+# .sp
+#	Note: this action must execute before the message content
+#	is received; it cannot execute in the context of
+#	\fBsmtpd_end_of_data_restrictions\fR.
+# .sp
+#	This feature is available in Postfix 2.1 and later.
+# .IP "\fBREDIRECT \fIuser@domain\fR"
+#	After the message is queued, send the message to the specified
+#	address instead of the intended recipient(s).  When multiple
+#	\fBREDIRECT\fR actions fire, only the last one takes effect.
+# .sp
+#	Note: this action overrides the FILTER action, and currently
+#	overrides all recipients of the message.
+# .sp
+#	This feature is available in Postfix 2.1 and later.
+# .IP "\fBINFO \fIoptional text...\fR
+#	Log an informational record with the optional text, together
+#	with client information and if available, with helo, sender,
+#	recipient and protocol information.
+# .sp
+#	This feature is available in Postfix 3.0 and later.
+# .IP "\fBWARN \fIoptional text...\fR
+#	Log a warning with the optional text, together with client information
+#	and if available, with helo, sender, recipient and protocol information.
+# .sp
+#	This feature is available in Postfix 2.1 and later.
+# ENHANCED STATUS CODES
+# .ad
+# .fi
+#	Postfix version 2.3 and later support enhanced status codes
+#	as defined in RFC 3463.
+#	When an enhanced status code is specified in an access
+#	table, it is subject to modification. The following
+#	transformations are needed when the same access table is
+#	used for client, helo, sender, or recipient access restrictions;
+#	they happen regardless of whether Postfix replies to a MAIL
+#	FROM, RCPT TO or other SMTP command.
+# .IP \(bu
+#	When a sender address matches a REJECT action, the Postfix
+#	SMTP server will transform a recipient DSN status (e.g.,
+#	4.1.1-4.1.6) into the corresponding sender DSN status, and
+#	vice versa.
+# .IP \(bu
+#	When non-address information matches a REJECT action (such
+#	as the HELO command argument or the client hostname/address),
+#	the Postfix SMTP server will transform a sender or recipient
+#	DSN status into a generic non-address DSN status (e.g.,
+#	4.0.0).
+# REGULAR EXPRESSION TABLES
+# .ad
+# .fi
+#	This section describes how the table lookups change when the table
+#	is given in the form of regular expressions. For a description of
+#	regular expression lookup table syntax, see \fBregexp_table\fR(5)
+#	or \fBpcre_table\fR(5).
+#
+#	Each pattern is a regular expression that is applied to the entire
+#	string being looked up. Depending on the application, that string
+#	is an entire client hostname, an entire client IP address, or an
+#	entire mail address. Thus, no parent domain or parent network search
+#	is done, \fIuser@domain\fR mail addresses are not broken up into
+#	their \fIuser@\fR and \fIdomain\fR constituent parts, nor is
+#	\fIuser+foo\fR broken up into \fIuser\fR and \fIfoo\fR.
+#
+#	Patterns are applied in the order as specified in the table, until a
+#	pattern is found that matches the search string.
+#
+#	Actions are the same as with indexed file lookups, with
+#	the additional feature that parenthesized substrings from the
+#	pattern can be interpolated as \fB$1\fR, \fB$2\fR and so on.
+# TCP-BASED TABLES
+# .ad
+# .fi
+#	This section describes how the table lookups change when lookups
+#	are directed to a TCP-based server. For a description of the TCP
+#	client/server lookup protocol, see \fBtcp_table\fR(5).
+#	This feature is not available up to and including Postfix version 2.4.
+#
+#	Each lookup operation uses the entire query string once.
+#	Depending on the application, that string is an entire client
+#	hostname, an entire client IP address, or an entire mail address.
+#	Thus, no parent domain or parent network search is done,
+#	\fIuser@domain\fR mail addresses are not broken up into
+#	their \fIuser@\fR and \fIdomain\fR constituent parts, nor is
+#	\fIuser+foo\fR broken up into \fIuser\fR and \fIfoo\fR.
+#
+#	Actions are the same as with indexed file lookups.
+# EXAMPLE
+# .ad
+# .fi
+#	The following example uses an indexed file, so that the
+#	order of table entries does not matter. The example permits
+#	access by the client at address 1.2.3.4 but rejects all
+#	other clients in 1.2.3.0/24. Instead of \fBhash\fR lookup
+#	tables, some systems use \fBdbm\fR.  Use the command
+#	"\fBpostconf -m\fR" to find out what lookup tables Postfix
+#	supports on your system.
+#
+# .nf
+# .na
+#	/etc/postfix/main.cf:
+#	    smtpd_client_restrictions = 
+#	        check_client_access hash:/etc/postfix/access
+#
+#	/etc/postfix/access:
+#	    1.2.3   REJECT
+#	    1.2.3.4 OK
+# .fi
+# .ad
+#
+#	Execute the command "\fBpostmap /etc/postfix/access\fR" after
+#	editing the file.
+# BUGS
+#	The table format does not understand quoting conventions.
+# SEE ALSO
+#	postmap(1), Postfix lookup table manager
+#	smtpd(8), SMTP server
+#	postconf(5), configuration parameters
+#	transport(5), transport:nexthop syntax
+# README FILES
+# .ad
+# .fi
+#	Use "\fBpostconf readme_directory\fR" or
+#	"\fBpostconf html_directory\fR" to locate this information.
+# .na
+# .nf
+#	SMTPD_ACCESS_README, built-in SMTP server access control
+#	DATABASE_README, Postfix lookup table overview
+# LICENSE
+# .ad
+# .fi
+#	The Secure Mailer license must be distributed with this software.
+# AUTHOR(S)
+#	Wietse Venema
+#	IBM T.J. Watson Research
+#	P.O. Box 704
+#	Yorktown Heights, NY 10598, USA
+#
+#	Wietse Venema
+#	Google, Inc.
+#	111 8th Avenue
+#	New York, NY 10011, USA
+#--