Adding upstream version 3.7.10.upstream/3.7.10upstream

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

1 files changed, 236 insertions, 0 deletions

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+#++
+# NAME
+#	memcache_table 5
+# SUMMARY
+#	Postfix memcache client configuration
+# SYNOPSIS
+#	\fBpostmap -q "\fIstring\fB" memcache:/etc/postfix/\fIfilename\fR
+#
+#	\fBpostmap -q - memcache:/etc/postfix/\fIfilename\fB <\fIinputfile\fR
+# DESCRIPTION
+#	The Postfix mail system uses optional tables for address
+#	rewriting or mail routing. These tables are usually in
+#	\fBdbm\fR or \fBdb\fR format.
+#
+#	Alternatively, lookup tables can be specified as memcache
+#	instances.  To use memcache lookups, define a memcache
+#	source as a lookup table in main.cf, for example:
+#
+# .nf
+#	    virtual_alias_maps = memcache:/etc/postfix/memcache-aliases.cf
+# .fi
+#
+#	The file /etc/postfix/memcache-aliases.cf has the same
+#	format as the Postfix main.cf file, and specifies the
+#	parameters described below.
+#
+#	The Postfix memcache client supports the lookup, update,
+#	delete and sequence (first/next) operations. The sequence
+#	operation requires a backup database that supports the
+#	operation.
+# MEMCACHE MAIN PARAMETERS
+# .ad
+# .fi
+# .IP "\fBmemcache (default: inet:localhost:11211)\fR"
+#	The memcache server (note: singular) that Postfix will try
+#	to connect to.  For a TCP server specify "inet:" followed by
+#	a hostname or address, ":", and a port name or number. 
+#	Specify an IPv6 address inside "[]".
+#	For a UNIX-domain server specify "unix:" followed by the
+#	socket pathname. Examples:
+#
+# .nf
+#	    memcache = inet:memcache.example.com:11211
+#	    memcache = inet:127.0.0.1:11211
+#	    memcache = inet:[fc00:8d00:189::3]:11211
+#	    memcache = unix:/path/to/socket
+# .fi
+#
+#	NOTE: to access a UNIX-domain socket with the proxymap(8)
+#	server, the socket must be accessible by the unprivileged
+#	postfix user.
+# .IP "\fBbackup (default: undefined)\fR"
+#	An optional Postfix database that provides persistent backup
+#	for the memcache database. The Postfix memcache client will
+#	update the memcache database whenever it looks up or changes
+#	information in the persistent database. Specify a Postfix
+#	"type:table" database. Examples:
+#
+# .nf
+#	    # Non-shared postscreen cache.
+#	    backup = btree:/var/lib/postfix/postscreen_cache_map
+#
+#	    # Shared postscreen cache for processes on the same host.
+#	    backup = proxy:btree:/var/lib/postfix/postscreen_cache_map
+# .fi
+#
+#	Access to remote proxymap servers is under development.
+#
+#	NOTE 1: When sharing a persistent \fBpostscreen\fR(8) or
+#	\fBverify\fR(8) cache, disable automatic cache cleanup (set
+#	*_cache_cleanup_interval = 0) except with one Postfix
+#	instance that will be responsible for cache cleanup.
+#
+#	NOTE 2: When multiple tables share the same memcache
+#	database, each table should use the \fBkey_format\fR feature
+#	(see below) to prepend its own unique string to the lookup
+#	key.  Otherwise, automatic \fBpostscreen\fR(8) or \fBverify\fR(8)
+#	cache cleanup may not work.
+#
+#	NOTE 3: When the backup database is accessed with "proxy:"
+#	lookups, the full backup database name (including the
+#	"proxy:" prefix) must be specified in the proxymap server's
+#	proxy_read_maps or proxy_write_maps setting (depending on
+#	whether the access is read-only or read-write).
+# .IP "\fBflags (default: 0)\fR"
+#	Optional flags that should be stored along with a memcache
+#	update. The flags are ignored when looking up information.
+# .IP "\fBttl (default: 3600)\fR"
+#	The expiration time in seconds of memcache updates.
+#
+#	NOTE 1: When using a memcache table as \fBpostscreen\fR(8)
+#	or \fBverify\fR(8) cache without persistent backup, specify
+#	a zero *_cache_cleanup_interval value with all Postfix
+#	instances that use the memcache, and specify the largest
+#	\fBpostscreen\fR(8) *_ttl value or \fBverify\fR(8) *_expire_time
+#	value as the memcache table's \fBttl\fR value.
+#
+#	NOTE 2: According to memcache protocol documentation, a
+#	value greater than 30 days (2592000 seconds) specifies
+#	absolute UNIX
+#	time. Smaller values are relative to the time of the update.
+# MEMCACHE KEY PARAMETERS
+# .ad
+# .fi
+# .IP "\fBkey_format (default: %s)\fB"
+#	Format of the lookup and update keys that the Postfix
+#	memcache client sends to the memcache server.
+#	By default, these are the same as the lookup and update
+#	keys that the memcache client receives from Postfix
+#	applications.
+#
+#	NOTE 1: The \fBkey_format\fR feature is not used for \fBbackup\fR
+#	database requests.
+#
+#	NOTE 2: When multiple tables share the same memcache
+#	database, each table should prepend its own unique string
+#	to the lookup key.  Otherwise, automatic \fBpostscreen\fR(8)
+#	or \fBverify\fR(8) cache cleanup may not work.
+#
+#	Examples:
+#
+# .nf
+#	    key_format = aliases:%s
+#	    key_format = verify:%s
+#	    key_format = postscreen:%s
+# .fi
+#
+#	The \fBkey_format\fR parameter supports the following '%'
+#	expansions:
+# .RS 
+# .IP "\fB%%\fR"
+#	This is replaced by a literal '%' character.
+# .IP "\fB%s\fR"
+#	This is replaced by the memcache client input key.
+# .IP "\fB%u\fR"
+#	When the input key is an address of the form user@domain,
+#	\fB%u\fR is replaced by the SQL quoted local part of the
+#	address.  Otherwise, \fB%u\fR is replaced by the entire
+#	search string.  If the localpart is empty, a lookup is
+#	silently suppressed and returns no results (an update is
+#	skipped with a warning).
+# .IP "\fB%d\fR"
+#	When the input key is an address of the form user@domain,
+#	\fB%d\fR is replaced by the domain part of the address.
+#	Otherwise, a lookup is silently suppressed and returns no
+#	results (an update is skipped with a warning).
+# .IP "\fB%[SUD]\fR"
+#	The upper-case equivalents of the above expansions behave
+#	in the \fBkey_format\fR parameter identically to their
+#	lower-case counter-parts.
+# .IP "\fB%[1-9]\fR"
+#	The patterns %1, %2, ... %9 are replaced by the corresponding
+#	most significant component of the input key's domain. If
+#	the input key is \fIuser@mail.example.com\fR, then %1 is
+#	\fBcom\fR, %2 is \fBexample\fR and %3 is \fBmail\fR. If the
+#	input key is unqualified or does not have enough domain
+#	components to satisfy all the specified patterns, a lookup
+#	is silently suppressed and returns no results (an update
+#	is skipped with a warning).
+# .RE
+# .IP "\fBdomain (default: no domain list)\fR"
+#	This feature can significantly reduce database server load.
+#	Specify a list of domain names, paths to files, or "type:table"
+#	databases.
+#	When specified, only fully qualified search keys with a
+#	*non-empty* localpart and a matching domain are eligible
+#	for lookup or update: bare 'user' lookups, bare domain
+#	lookups and "@domain" lookups are silently skipped (updates
+#	are skipped with a warning).  Example:
+#
+# .nf
+#	    domain = example.com, hash:/etc/postfix/searchdomains
+# .fi
+# MEMCACHE ERROR CONTROLS
+# .ad
+# .fi
+# .IP "\fBdata_size_limit (default: 10240)\fR"
+#	The maximal memcache reply data length in bytes.
+# .IP "\fBline_size_limit (default: 1024)\fR"
+#	The maximal memcache reply line length in bytes.
+# .IP "\fBmax_try (default: 2)\fR"
+#	The number of times to try a memcache command before giving
+#	up.  The memcache client does not retry a command when the
+#	memcache server accepts no connection.
+# .IP "\fBretry_pause (default: 1)\fR"
+#	The time in seconds before retrying a failed memcache command.
+# .IP "\fBtimeout (default: 2)\fR"
+#	The time limit for sending a memcache command and for
+#	receiving a memcache reply.
+# BUGS
+#	The Postfix memcache client cannot be used for security-sensitive
+#	tables such as \fBalias_maps\fR (these may contain
+#	"\fI|command\fR and "\fI/file/name\fR" destinations), or
+#	\fBvirtual_uid_maps\fR, \fBvirtual_gid_maps\fR and
+#	\fBvirtual_mailbox_maps\fR (these specify UNIX process
+#	privileges or "\fI/file/name\fR" destinations).  In a typical
+#	deployment a memcache database is writable by any process
+#	that can talk to the memcache server; in contrast,
+#	security-sensitive tables must never be writable by the
+#	unprivileged Postfix user.
+#
+#	The Postfix memcache client requires additional configuration
+#	when used as \fBpostscreen\fR(8) or \fBverify\fR(8) cache.
+#	For details see the \fBbackup\fR and \fBttl\fR parameter
+#	discussions in the MEMCACHE MAIN PARAMETERS section above.
+# SEE ALSO
+#	postmap(1), Postfix lookup table manager
+#	postconf(5), configuration parameters
+# README FILES
+# .ad
+# .fi
+#	Use "\fBpostconf readme_directory\fR" or
+#	"\fBpostconf html_directory\fR" to locate this information.
+# .na
+# .nf
+#	DATABASE_README, Postfix lookup table overview
+#	MEMCACHE_README, Postfix memcache client guide
+# LICENSE
+# .ad
+# .fi
+#	The Secure Mailer license must be distributed with this software.
+# HISTORY
+# .ad
+# .fi
+#	Memcache support was introduced with Postfix version 2.9.
+# 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
+#--