Difference between revisions of "MTA options listed alphabetically"

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| | [[spamfilterN_library MTA options#spamfilter1_library|<tt>spamfilter</tt>''<tt>N</tt>''<tt>_library</tt>]]
 
| | [[spamfilterN_library MTA options#spamfilter1_library|<tt>spamfilter</tt>''<tt>N</tt>''<tt>_library</tt>]]
 
| |        Location of the Spam/virus filter package client shared library     
 
| |        Location of the Spam/virus filter package client shared library     
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|- style="background:blanchedalmond"
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| | [[spamfilterN_name MTA options#spamfilter1_name|<tt>spamfilter</tt>''<tt>N</tt>''<tt>_name</tt>]]
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| |        (New in MS 7.0.5) Specify a symbolic name for the ''<tt>N</tt>''th          spam/virus filter package.   
 
|- style="background:blanchedalmond"
 
|- style="background:blanchedalmond"
 
| | [[spamfilterN_null_action MTA options#spamfilter1_null_action|<tt>spamfilter</tt>''<tt>N</tt>''<tt>_null_action</tt>]]
 
| | [[spamfilterN_null_action MTA options#spamfilter1_null_action|<tt>spamfilter</tt>''<tt>N</tt>''<tt>_null_action</tt>]]

Revision as of 07:39, 12 April 2016


Table of MTA options, listed alphabetically, shown below, lists the available options in alphabetic order. A brief description of each option is included, though more details can be found in the discussions of the individual options. See also MTA options, listed by functionality, which lists the options grouped together by function, and which furthermore includes links to subsections with general information about the groups of options.

MTA options, listed alphabetically
Option Usage
access_auth (New in 8.0) Control whether FROM_ACCESS mapping table probes include the SMTP MAIL FROM AUTH parameter's value and/or the canonical username produced by authentication
access_counts Control whether recipient access mapping table probes include a recipient count field
access_errors Control the information issued in certain error messages
access_orcpt Control whether recipient access mapping table probes include an ORCPT field
alias_case Control the case sensitivity of aliases; support for this option is RESTRICTED: set it only if instructed to do so by Oracle engineering
alias_domains Control the format of alias file (and hence Unified Configuration alias options) and alias database lookups
alias_entry_cache_negative Whether to cache negative results (i.e., failures) of alias lookups (alias_urlN lookups)
alias_entry_cache_size Number of alias lookup (alias_urlN) results to keep cached
alias_entry_cache_timeout How long to cache alias lookup (alias_urlN) results
alias_magic Control the order in which alias lookups are performed; support for this option is RESTRICTED
alias_url0 URL for doing alias lookups
alias_url1 URL for doing alias lookups
alias_url2 URL for doing alias lookups
alias_url3 URL for doing alias lookups
alias_hash_size Set the number of aliases allowed in the alias file
alias_member_size Set the number of alias expansions allowed: in the alias file (legacy configuration), or via alias option (Unified Configuration)
aliasdetourhost_null_optin (New in JES MS 6.2p4) Specify a value for the attribute named by the ldap_detourhost_optin MTA option (and new in MS 7.0.5, also the attribute named by the ldap_domain_attr_detourhostoptin) that means that the attribute should be ignored; the purpose is to allow a way of "turning off" message detouring (where the detouring is typically for purposes of spam/virus filtering) for sites and users whose provisioning facilities find it easier to set an attribute value rather than to remove an attribute entirely
allow_unquoted_addrs_violate_rfc2798 Look up addresses in LDAP with quotes stripped from the local part
alternate_recipient (New in MS 8.0.1) Specify the comment string used to add an alternate recipient for an address.
alternate_recipient_mode (New in MS 8.0.1) Control handling of multiple alternate recipients.
ap_debug Internal MTA debugging option: enable debugging of low level address parsing; support for this option is RESTRICTED
autoreply_timeout_default Specify a default duration between successive vacation responses to the same sender
averages_cache_size (New in JES MS 6.2) Size of the cache of load average values
averages_cache_timeout (New in JES MS 6.2) Timeout for the cache of load average values
block_limit Limit the size of messages allowed through the MTA
block_size Set the size of MTA "blocks"
blocked_mail_from_ips Specify IP address literals whose A records should be ignored for purposes of the lookups done due to the mailfromdnsverify channel keyword (new in 6.1-0.01 release)
bounce_block_limit Limit the amount of original message content included in bounce messages
brightmail_* Synonyms for the corresponding spamfilter_* options; see the spamfilter_* options for definitions
buffer_size Set the buffer size used when writing message files; default is 8192
cache_debug Output direct LDAP lookup caching statistics
cache_magic OBSOLETE: Control the sorting (for processing purposes) of old message files
channel_table_size Set the number of channels allowed in the MTA configuration
circuitcheck_completed_bins Specify the bins for the message circuit check message counters
circuitcheck_paths_size Number of circuit check paths (entries) to allow in the circuit check configuration file
comment_chars Set the "comment" character(s) in MTA configuration files
content_return_block_limit Force NOTARY non-return of content flag for messages over the specified size
conversion_size Set the number of entries allowed in the conversion file (legacy configuration) or conversions MTA option (Unified Configuration)
conversions (Unified Configuration only) Conversion entries; replaces legacy configuration conversions file
defer_group_processing Set a default for whether direct LDAP group (list) expansion is deferred to the reprocess channel
delimiter_char (New in 7.0) RESTRICTED. Specify the delimiter character (normally the vertical bar character)
delivery_options Specify interpretation of mailDeliveryOption values
dequeue_debug Enable debugging of message dequeue operations
dequeue_map RESTRICTED. Map files into memory when dequeuing
describe_cache_limit Control size of message part description cache for message body processing purposes
digest_on Specify the comment string that enables mailing list digests (in preference to regular mailing list postings); usage is RESTRICTED
dirsync_hack In dirsync mode, enable "hack" of falling back to trying to do an LDAP lookup and adding the LDAP result to the alias database; usage is DELETED
domain_failure Rewrite template to apply when an LDAP lookup encounters an LDAP error
domain_hash_size Set the number of rewrite rules allowed
domain_match_cache_size Number of domain lookup ($V rewrite template) results to keep cached
domain_match_cache_timeout How long to cache domain lookup ($V rewrite template) results
domain_match_url URL for an extra, special lookup for domains, e.g., URL for looking up vanity domains
domain_uplevel Control whether to search "upwards" in the DC tree for domain names, and whether to use a "canonical" domain name when searching for user entries
duplicate_tracking_url (New in 8.0) Template for location of per-user duplicate message tracking files
enable Enable operation of the MTA
enable_sieve_regex Control whether Sieve filters may use the regex extension (the :regex match-type)
error_text_* Specify alternate error text for any of various error conditions; see Table of error text options
expandable_default Set the default for mailing lists to [NONEXPANDABLE], i.e., disable use of SMTP EXPN
exproute_forward Control whether the exproute channel option affects forward pointing headers
file_member_size Maximum number of configuration files used by the MTA
filter_cache_size New in 6.2-0.01. Specify the size of the per-process cache of tokenized Sieve filters
filter_cache_timeout New in 6.2-0.01. Specify the retention time for entries in the per-process cache of tokenized Sieve filters
filter_debug New in 6.2-0.01. Control whether detailed (stack state) debugging of Sieve evaluation is output.
filter_discard Control whether messages discarded by a Sieve filter are immediately deleted, or instead routed to the filter_discard channel for delayed deletion
filter_jettison New in 6.1-0.01. Control whether messages jettisoned by a Sieve filter are immediately deleted, or instead routed to the filter_discard channel for delayed deletion
forward_data_size Hash size for the forward (database) text file
fruits_size Number of fruits allowed in the fruit validation table
fsync Do an fsync upon file close
general_data_size Hash size for the general (database) text file
group_dn_template Template used when looking up a uniqueMember of a group
header_limit Sets a maximum size for the primary (outermost) message header
held_sndopr Send operator or syslog messages when messages are HELD
history_to_return Control the amount of delivery attempt history included in bounced messages
host_hash_size Set the number of channel host names
id_domain Set the domain name used in constructing message IDs
idn_config_file (New in 8.0.1) Specify the location of optional IDNKIT configuration file
improute_forward Control the effect of the improute channel option on forward pointing headers
include_connectioninfo New in 6.2-0.01. Include transport and application connection information in mapping table probes
include_conversiontag New in JES MS 6.3. Include the conversion tag value(s) in mapping table probes
ldap_* Specify an alternate attribute name for any of various per-user attributes; see Direct LDAP attribute name MTA options
ldap_attr_domain1_schema2 Specify an alternate attribute name for the attribute used to store the "primary" domain in Schema 2
ldap_attr_domain2_schema2 Specify an alternate attribute name for the attribute used to store the "secondary" domain in Schema 2
ldap_attr_domain_search_filter Attribute in the configuration template area, (see the ldap_global_config_templates MTA option) that is used to store the domain search filter template
ldap_attr_name_hash_size Internal hash size for the list of LDAP attributes relevant to the MTA
ldap_default_attr For LDAP URLs that are supposed to return a single result, specify a single attribute to request if no attribute was specified in the original LDAP query string
ldap_default_domain The default domain name; overrides the service.defaultdomain configutil parameter (legacy configuration) or defaultdomain base option (Unified Configuration)
ldap_domain_attr_* Specify an alternate attribute name for any of various per-domain attributes; see Direct LDAP attribute name MTA options
ldap_domain_filter_schema1 When schema 1 is in use, specify the filter used to find domains in the DIT
ldap_domain_filter_schema2 When schema 2 is in use, specify the filter used to find domains in the DIT
ldap_domain_known_attributes Control whether the MTA fetches all domain attributes vs. fetches only "known" domain attributes
ldap_domain_root The base DN for the domain portion of the DIT; overrides the service.dcroot configutil parameter (legacy configuration) or dcroot base option (Unified Configuration)
ldap_domain_timeout New in 6.1-0.01. Specify the retention time for entries in the domain map cache
ldap_global_config_templates Schema 2 support: specify the DN where global configuration templates can be found
ldap_group_object_classes The object classes required for a group
ldap_host Host to which to connect for LDAP queries; overrides the local.ugldaphost configutil parameter (legacy configuration) or ugldaphost base option (Unified Configuration)
ldap_host_alias_list Local host aliases; overrides (for MTA purposes) the local.imta.hostnamealiases configutil parameter (legacy configuration) or ldap_host_alias_list base option (Unified Configuration)
ldap_local_host The local host name (official host name for the "l" channel); overrides (for MTA purposes) the local.hostname configutil parameter (legacy configuration) or hostname base option (Unified Configuration)
ldap_mail_aliases The attributes in which aliases are stored; overrides the local.imta.mailaliases configutil parameter
ldap_mail_reverses The attributes used for the filter generated by the $Q LDAP substitution sequence; normally used during reverse_url lookups, hence normally the attributes compared against an address to be "reversed"
ldap_max_connections The maximum number of simultaneous LDAP connections to allow
ldap_object_class_hash_size Internal hash size for the list of object classes relevant to the MTA
ldap_pab_host New in 7.0. Usage: RESTRICTED. The host for PAB LDAP queries; overrides (for MTA purposes) the local.service.pab.ldaphost configutil parameter (legacy configuration) or ldaphost  PAB option (Unified Configuration)
ldap_pab_password New in 7.0. Usage: RESTRICTED. The password for PAB LDAP queries; overrides (for MTA purposes) the local.service.pab.ldappasswd configutil parameter (legacy configuration) or ldappasswd  PAB option (Unified Configuration)
ldap_pab_port New in 7.0. Usage: RESTRICTED. The port for PAB LDAP queries; overrides (for MTA purposes) the local.service.pab.ldapport configutil parameter (legacy configuration) or ldapport  PAB option (Unified Configuration)
ldap_pab_username New in 7.0. Usage: RESTRICTED. The username (bind credentials) for PAB LDAP queries; overrides (for MTA purposes) the local.service.pab.ldapbinddn configutil parameter (legacy configuration) or ldapbinddn  PAB option (Unified Configuration)
ldap_password The password to use when binding for LDAP queries; overrides (for MTA purposes) the local.ugldapbindcred configutil parameter (legacy configuration) or ugldapbindcred base option (Unified Configuration)
ldap_port Port to which to connect for LDAP queries; overrides (for MTA purposes) the local.ugldapport configutil parameter (legacy configuration) or ugldapport base option (Unified Configuration)
ldap_schemalevel The schema level in use; overrides (for MTA purposes) the ldap_schemalevel base option
ldap_schematag The tag (name) of the schema in use; overrides the local.imta.schematag configutil parameter
ldap_timeout Timeout value for LDAP queries
ldap_uid_invalid_chars Characters that are not allowed in a uid
ldap_use_async Control use of asynchronous (vs. synchronous) LDAP lookups
ldap_user_object_classes The object classes required for a user
ldap_user_root The base DN for the user and group portion of the DIT; overrides (for MTA purposes) the local.ugldapbasedn configutil parameter (legacy configuration) or ugldapbasedn base option (Unified Configuration)
ldap_username The DN under which to bind for LDAP queries; overrides (for MTA purposes) the local.ugldapbinddn configutil parameter (legacy configuration) or ugldapbinddn base option (Unified Configuration)
line_limit Limit the size of messages allowed through the MTA
lines_to_return Lines included when returning samples of message content (as in warning messages)
log_alq (OpenVMS only.) Specify the default allocation quantity for the MTA message transaction log file
log_auth (New in 7.0.5.) Include SMTP MAIL FROM's AUTH parameter in MTA message transaction log entries.
log_callout_delays (New in 8.0) Include timers showing the time for responses from external components in MTA message transaction log entries
log_connection Generate connection log entries, and/or include connection information in message transaction log entries. (New in 6.2-0.01, optionally log SMTP AUTH attempts.)
log_connections_syslog Send connection log entries to syslog (UNIX) or event log (NT)
log_conversion_tag (New in 7.0.5.) Include conversion tag(s) field in MTA message transaction log entries.
log_delay_bins Specify the bins for delivery delay range counters
log_delivery_flags (New in 7.0.5.) Include delivery flags field in MTA message transaction log entries.
log_diagnostics (New in MS 7.0u1) Include diagnostics in MTA message transaction log entries
log_envelope_id New in 6.1-0.01. Include envelope ids in MTA message transaction log entries.
log_filename Include message file names in MTA message transaction log entries
log_filter Include Sieve filter actions applying to the message in MTA message transaction log entries.
log_format Control the format of the MTA transaction log file(s)
log_futurerelease (New in ) Include value of FUTURERELEASE SMTP extension in MTA message transaction log entries
log_header Include message headers in MTA message transaction log entries
log_imap_flags (New in 7.0.5.) Include any IMAP flags set by the MTA in MTA message transaction log entries
log_intermediate New in 6.2-0.01. Include "intermediate" and/or "original" (RCPT TO: command line) forms of destination address in MTA message transaction log entries
log_local Include the local domain name on "bare user name" addresses in MTA message transaction log entries
log_mailbox_uid Include the IMAP UID and UIDVALIDITY of messages delivered by the ims-ms channel to the Message Store in MTA message transaction log entries
log_message_id Include message IDs in MTA message transaction log entries
log_messages_syslog Send MTA message transaction log file entries to syslog (UNIX)
log_mtpriority (New in MS 8.0) Include message MT-PRIORITY in MTA message transaction log entries
log_node OpenVMS only. Include the node name for an enqueueing process in MTA message transaction log entries
log_notary Include a NOTARY (delivery receipt) flags indicator in MTA message transaction log entries
log_priority Include message priority in MTA message transaction log entries
log_process Include enqueuing process ID in MTA message transation log entries
log_queue_time (New in JS MS 6.3) Include "time in queue" in MTA message transaction log entries; this also causes inclusion of "time to open or fail to open a connection" in MTA connection log entries
log_reason Include the reason for a message rejection in MTA message transaction log entries
log_sensitivity Include message's sensitivity value in MTA message transaction log entries
log_size_bins Specify the bins for message size range counters
log_sndopr Send a syslog message if the MTA's logging facilities encounter a difficulty
log_times (New in 8.0) Include deferred delivery time in MTA message transaction log entries
log_tracking (New in 8.0) Include message tracking ID in MTA message transaction log entries
log_transaction_delays (New in 8.0.1) Not yet fully implemented.
log_transactionlog (New in 8.0) Include string argument from any Sieve "transactionlog" actions in MTA message transaction log entries
log_uid (New in 8.0) Include recipient UID in MTA message transaction log entries
log_use_xtext (New in MS 8.0) Controls xtext encoding of addresses in MTA message transaction log entries
log_username Include user identity information in MTA message transation log entries
logfile logfile options set at the MTA level (mta.logfile.option-name in Unified Configuration) affect the MTA's logging of insertion of messages into the Message Store; that is, affect logging of message insertions performed by ims-ms and tcp_lmtpss_* channels
mail_off Specify the comment string that disables mail delivery for list addresses
map_names_size Set the number of mapping tables
mapping_paranoia (New in 7.0) Control handling of vertical bar characters in probes of mapping tables such as FROM_ACCESS, recipient access mapping tables and AUTH_REWRITE
max_addheaders Maximum number of Sieve "addheader" actions that can be performed
max_alias_levels Set the level of alias nesting allowed
max_duplicates (New in 8.0) Maximum "duplicate" tests performed in a Sieve filter
max_fileintos Maximum number of Sieve "fileinto" actions that may be performed by a Sieve script
max_header_block_user Fine tune message fragmentation
max_header_line_user Fine tune message fragmentation
max_internal_blocks Specify size of messages beyond which to buffer to temporary files
max_local_received_lines Occurrences of the local host name in Received: header lines after which a message will be HELD
max_mime_levels Degree to look inside MIME messages during processing
max_mime_parts Number of parts to look at when processing MIME messages
max_mr_received_lines Number of MR-Received: header lines after which a message will be HELD
max_received_lines Number of Received: header lines after which a message will be HELD
max_redirects Maximum number of Sieve "redirect" actions (i.e., forwards) that may be used in a Sieve filter
max_total_received_lines Number of Received:, MR-Received: or X400-Received: header lines after which a message will be HELD
max_urls Maximum number of URLs that may be active (nesting of references)
max_vacations Maximum number of vacation actions that may appear in a Sieve filter
max_variables Maximum number of variables that may be used in a Sieve script
max_x400_received_lines Number of X400-Received: header lines after which a message will be HELD
memcache_expire (New in 8.0) Time to hold idle memcached connections open
memcache_host (New in 8.0) Host name of memcached server
memcache_port (New in 8.0) memcached service port
message_hash_algorithm (New in JES MS 6.3-0.15) Algorithm to use for generating message hashes
message_hash_fields (New in JES MS 6.3) Header fields to include when generating message hashes
message_save_copy_flags (New in JES MS 6.3) Control the format of MESSAGE-SAVE-COPY mapping table probes
missing_recipient_group_text Phrase to use when generating an empty group construct
missing_recipient_policy Legalize messages that lack any recipient headers
name_table_name OpenVMS only: Name of a logical name table storing aliases
normal_block_limit Maximum size of message to treat as being of normal or higher priority
non_urgent_block_limit Maximum size of message to treat as being of non-urgent priority
notary_decode Control whether encoded-words in the original message header are decoded when performing a %H substitution during the MTA's generation of DSNs and MDNs
notary_quote Specify the character that marks substitution sequences in return_*.txt files and disposition_*.txt files
notify_maximum_timeout (New in MS 7.0.5) Specify the maximum timeout permitted between successive Sieve notify or enotify actions
notify_minimum_timeout (New in MS 7.0.5) Specify the minimum timeout permitted between successive Sieve notify or enotify actions
notify_timeout_default (New in MS 7.0.5) Specify the default timeout permitted between successive Sieve notify or enotify actions
optin_user_carryover New in 6.2-0.01. Specify whether user spam/virus filter "opt-in" is considered to "carry over" for forwarded recipients
options_hash_size Hash size for the internal table of MTA options (option.dat options)
or_clauses Set default for whether to AND or OR multiple posting access control settings on mailing lists
plaintextmincipher (New in MS 7.4-18.01; only settable at the MTA level in Unified Configuration) Disable PLAINTEXT SMTP AUTH unless SSL or TLS is active
post_off Specify the comment string that disables posting for list addresses
projectid (New in MS 7.3-11.01) Numeric id the MTA uses when obtaining shared memory segments
queue_cache_mode Tells the MTA where queue cache information is being stored
received_domain Specify the domain name (identifying the system itself) to use in constructing Received: header lines
received_version Specify the IMTA version string to use in constructing Received: header lines; use is NOT RECOMMENDED
return_address Set the return address for the local postmaster
return_debug Enable debugging of MTA periodic return_job operations
return_delivery_history Control whether delivery attempt history is included in returned messages
return_envelope Control use of empty return address in notification messages, and validity checks on envelope From address
return_personal Set the personal name for the postmaster
return_units Control the assumed units for the notices channel option, thereby controlling the interval at which certain notification messages are generated
reverse_address_cache_size Number of LDAP address reversal (reverse_url) results to keep cached
reverse_address_cache_timeout How long to cache LDAP address reversal lookup (reverse_url) results
reverse_data_size Internal hash size for the reverse (database) text file
reverse_envelope RESTRICTED: Control application of address reversal to envelope addresses
reverse_url URL for doing address reversal
route_to_routing_host Forcibly route non-local hosts to the first value of mailRoutingHosts
separate_connection_log Write connection transaction log entries to a separate file than message transaction log entries
sieve_redirect_add_resent (New in JES MS 6.3p1) Default for whether Sieve filter "redirect" actions cause addition of Resent-⁠*: header lines
sieve_user_carryover Specify whether user Sieve filters "carry over" for forwarded recipients
smtpproxypassword (New in MS 7.0.5) Password the MMP uses to authenticate for SMTP; (supercedes the older TCP/IP-channel-specific option PROXY_PASSWORD)
sndopr_priority Set the syslog level (facility and priority) the MTA uses when generating syslog notices
spamfilterN_action_M URL that resolves to a Sieve filter, specifying the action to take when Spam/virus filter package N returns the corresponding spamfilterN_verdict_M verdict
spamfilterN_config_file Location of the Spam/virus filter package configuration file
spamfilterN_final Control whether the MTA passes the "intermediate" vs. "final" address form to the spam/virus filter package
spamfilterN_library Location of the Spam/virus filter package client shared library
spamfilterN_name (New in MS 7.0.5) Specify a symbolic name for the Nth spam/virus filter package.
spamfilterN_null_action URL that resolves to a Sieve filter, specifying the action to take in the case of a null verdict from Spam/virus filter package
spamfilterN_null_optin New in 6.1-0.01. Specify a value for the attribute named by the ldap_domain_attr_optin option or ldap_optin option that means that the attribute should be ignored; the purpose is to allow a way of "turning off" spam filtering for sites and users whose provisioning facilities find it easier to set an attribute value rather than to remove an attribute entirely
spamfilterN_string_action URL that resolves to a Sieve filter, specifying the action to take in the case of verdicts from Spam/virus filter package that do not have an explicit corresponding action
spamfilterN_verdict_M A Spam/virus filter package verdict string
sslnicknames (New in MS 7.4-18.01; only settable at the MTA level in Unified Configuration) SSL/TLS server certificate nicknames the MTA will offer
string_pool_size_0 Set the number of strings allowed for miscellaneous MTA configuration use
string_pool_size_1 Set the number of strings allowed for MTA mapping table use
string_pool_size_2 Set the number of strings allowed for MTA alias use
string_pool_size_3 Set the number of strings allowed for MTA general (database) text file use
string_pool_size_4 Set the number of strings allowed for MTA personal conversion use
subaddress_char Specify the character used in addresses to separate the username (mailbox) from the subaddress or foldername
token_char Specify token character in local-part of addresses for SRS purposes
tracking_debug (New in 8.0) Enable debugging of message tracking
tracking_mode (New in 8.0) Enable message tracking data storage
tracking_retries (New in 8.0) Number of tracking update retry attempts
tracking_retry_delay (New in 8.0) Time delay between tracking update retry attempts
unique_id_template (New in JES MS 6.3) Specify a template used to convert an address into a unique identifier; typically used in conjunction with archiving facilities
urgent_block_limit Maximum size of message to treat as being of urgent priority
use_alias_database Control use of the alias database
use_comment_strings Control the format of COMMENT_STRINGS mapping table probes
use_domain_database Control use of the domain database
use_forward_database Control use of the forward database
use_personal_aliases Control use of personal alias databases
use_personal_names Control the format of PERSONAL_NAMES mapping table probes
use_permanent_error Control whether certain error conditions are considered to be permanent errors, or temporary errors
use_reverse_database Control use and format of the reverse mapping table and reverse database
use_temporary_error (New in 8.0.1) Control whether certain error conditions are considered to be temporary errors, or permanent errors
use_text_databases Control whether the general database, the reverse database, and the forward database are on-disk databases, or in-memory structures
url_result_cache_size Number of rewrite rule and mapping table LDAP URL lookups ($]...[ lookups) to keep cached
url_result_cache_timeout How long to cache rewrite rule and mapping table LDAP URL lookups
user_case Lower case postmaster; other usernames with localbehavior channel option
vacation_cleanup Average number of times between cleanups of the per-user per-response vacation files
vacation_maximum_timeout (New in MS 7.0.5) Specify a maximum value permitted for Sieve " vacation" periodicity arguments
vacation_minimum_timeout (New in MS 7.0.5) Specify a minimum value permitted for Sieve " vacation" periodicity arguments
vacation_template URL specifying where per-user per-response vacation information is stored
wild_pool_size Set the total number of wildcards allowed in mappings' patterns


See also: