| mc name | Option name | § |
| ALIAS_FILE | AliasFile | AliasFile |
| CLIENT_OPTIONS( ) | ClientPortOptions | ClientPortOptions |
| confALIAS_WAIT | AliasWait | AliasWait |
| confALLOW_BOGUS_HELO | AllowBogusHELO | AllowBogusHELO |
| confAUTH_MAX_BITS | AuthMaxBits | AuthMaxBits |
| confAUTH_MECHANISMS | AuthMechanisms | AuthMechanisms |
| confAUTH_OPTIONS | AuthOptions | AuthOptions |
| confAUTO_REBUILD | AutoRebuildAliases | AutoRebuildAliases |
| confBAD_RCPT_THROTTLE | BadRcptThrottle | BadRcptThrottle |
| confBIND_OPTS | ResolverOptions | ResolverOptions |
| confBLANK_SUB | BlankSub | BlankSub |
| confCACERT | CACertFile | CACertFile |
| confCACERT_PATH | CACertPath | CACertPath |
| confCHECKPOINT_INTERVAL | CheckpointInterval | CheckpointInterval |
| confCHECK_ALIASES | CheckAliases | CheckAliases |
| confCLIENT_CERT | ClientCertFile | ClientCertFile |
| confCLIENT_KEY | ClientKeyFile | ClientKeyFile |
| confCLIENT_OPTIONS (deprecated) | ClientPortOptions | ClientPortOptions |
| confCOLON_OK_IN_ADDR | ColonOkInAddr | ColonOkInAddr |
| confCONNECTION_RATE_THROTTLE | ConnectionRateThrottle | ConnectionRateThrottle |
| confCONNECT_ONLY_TO | ConnectOnlyTo | ConnectOnlyTo |
| confCONTROL_SOCKET_NAME | ControlSocketName | ControlSocketName |
| confCON_EXPENSIVE | HoldExpensive | HoldExpensive |
| confCOPY_ERRORS_TO | PostmasterCopy | PostmasterCopy |
| confDAEMON_OPTIONS (deprecated) | DaemonPortOptions | DaemonPortOptions |
| confDEAD_LETTER_DROP | DeadLetterDrop | DeadLetterDrop |
| confDEF_AUTH_INFO | DefaultAuthInfo | DefaultAuthInfo |
| confDEF_CHAR_SET | DefaultCharSet | DefaultCharSet |
| confDEF_USER_ID | DefaultUser | DefaultUser |
| confDELAY_LA | DelayLA | DelayLA |
| confDELIVERY_MODE | DeliveryMode | DeliveryMode |
| confDELIVER_BY_MIN | DeliverByMin | DeliverByMin |
| confDF_BUFFER_SIZE | DataFileBufferSize | DataFileBufferSize |
| confDH_PARAMETERS | DHParameters | DHParameters |
| confDIAL_DELAY | DialDelay | DialDelay |
| confDIRECT_SUBMISSION_MODIFIERS | DirectSubmissionModifiers | DirectSubmissionModifiers |
| confDONT_BLAME_SENDMAIL | DontBlameSendmail | DontBlameSendmail |
| confDONT_EXPAND_CNAMES | DontExpandCnames | DontExpandCnames |
| confDONT_INIT_GROUPS | DontInitGroups | DontInitGroups |
| confDONT_PROBE_INTERFACES | DontProbeInterfaces | DontProbeInterfaces |
| confDONT_PRUNE_ROUTES | DontPruneRoutes | DontPruneRoutes |
| confDOUBLE_BOUNCE_ADDRESS | DoubleBounceAddress | DoubleBounceAddress |
| confEIGHT_BIT_HANDLING | EightBitMode | EightBitMode |
| confERROR_MESSAGE | ErrorHeader | ErrorHeader |
| confERROR_MODE | ErrorMode | ErrorMode |
| confFALLBACK_MX | FallbackMXhost | FallbackMXhost |
| confFAST_SPLIT | FastSplit | FastSplit |
| confFORWARD_PATH | ForwardPath | ForwardPath |
| confFROM_LINE | UnixFromLine | UnixFromLine |
| confHOSTS_FILE | HostsFile | HostsFile |
| confHOST_STATUS_DIRECTORY | HostStatusDirectory | HostStatusDirectory |
| confIGNORE_DOTS | IgnoreDots | IgnoreDots |
| confINPUT_MAIL_FILTERS | InputMailFilters | InputMailFilters |
| confLDAP_DEFAULT_SPEC | LDAPDefaultSpec | LDAPDefaultSpec |
| confLOG_LEVEL | LogLevel | LogLevel |
| confMAILBOX_DATABASE | MailboxDatabase | MailboxDatabase |
| confMATCH_GECOS | MatchGECOS | MatchGECOS |
| confMAX_ALIAS_RECURSION | MaxAliasRecursion | MaxAliasRecursion |
| confMAX_DAEMON_CHILDREN | MaxDaemonChildren | MaxDaemonChildren |
| confMAX_HEADERS_LENGTH | MaxHeadersLength | MaxHeadersLength |
| confMAX_HOP | MaxHopCount | MaxHopCount |
| confMAX_MESSAGE_SIZE | MaxMessageSize | MaxMessageSize |
| confMAX_MIME_HEADER_LENGTH | MaxMimeHeaderLength | MaxMimeHeaderLength |
| confMAX_QUEUE_CHILDREN | MaxQueueChildren | MaxQueueChildren |
| confMAX_QUEUE_RUN_SIZE | MaxQueueRunSize | MaxQueueRunSize |
| confMAX_RCPTS_PER_MESSAGE | MaxRecipientsPerMessage | MaxRecipientsPerMessage |
| confMAX_RUNNERS_PER_QUEUE | MaxRunnersPerQueue | MaxRunnersPerQueue |
| confMCI_CACHE_SIZE | ConnectionCacheSize | ConnectionCacheSize |
| confMCI_CACHE_TIMEOUT | ConnectionCacheTimeout | ConnectionCacheTimeout |
| confMESSAGE_TIMEOUT (deprecated) | QueueTimeout | QueueTimeout |
| confME_TOO | MeToo | MeToo |
| confMILTER_LOG_LEVEL | Milter.LogLevel | Milter |
| confMILTER_MACROS_CONNECT | Milter.macros.connect | Milter |
| confMILTER_MACROS_ENVFROM | Milter.macros.envfrom | Milter |
| confMILTER_MACROS_ENVRCPT | Milter.macros.envrcpt | Milter |
| confMILTER_MACROS_HELO | Milter.macros.helo | Milter |
| confMIME_FORMAT_ERRORS | SendMimeErrors | SendMimeErrors |
| confMIN_FREE_BLOCKS | MinFreeBlocks | MinFreeBlocks |
| confMIN_QUEUE_AGE | MinQueueAge | MinQueueAge |
| confMUST_QUOTE_CHARS | MustQuoteChars | MustQuoteChars |
| confNICE_QUEUE_RUN | NiceQueueRun | NiceQueueRun |
| confNO_RCPT_ACTION | NoRecipientAction | NoRecipientAction |
| confOLD_STYLE_HEADERS | OldStyleHeaders | OldStyleHeaders |
| confOPERATORS | OperatorChars | OperatorChars |
| confPID_FILE | PidFile | PidFile |
| confPRIVACY_FLAGS | PrivacyOptions | PrivacyOptions |
| confPROCESS_TITLE_PREFIX | ProcessTitlePrefix | ProcessTitlePrefix |
| confQUEUE_FACTOR | QueueFactor | QueueFactor |
| confQUEUE_FILE_MODE | QueueFileMode | QueueFileMode |
| confQUEUE_LA | QueueLA | QueueLA |
| confQUEUE_SORT_ORDER | QueueSortOrder | QueueSortOrder |
| confRAND_FILE | RandFile | RandFile |
| confREAD_TIMEOUT (deprecated) | Timeout | Timeout |
| confREFUSE_LA | RefuseLA | RefuseLA |
| confRRT_IMPLIES_DSN | RrtImpliesDsn | RrtImpliesDsn |
| confRUN_AS_USER | RunAsUser | RunAsUser |
| confSAFE_FILE_ENV | SafeFileEnvironment | SafeFileEnvironment |
| confSAFE_QUEUE | SuperSafe | SuperSafe |
| confSAVE_FROM_LINES | SaveFromLine | SaveFromLine |
| confSEPARATE_PROC | ForkEachJob | ForkEachJob |
| confSERVER_CERT | ServerCertFile | ServerCertFile |
| confSERVER_KEY | ServerKeyFile | ServerKeyFile |
| confSERVICE_SWITCH_FILE | ServiceSwitchFile | ServiceSwitchFile |
| confSEVEN_BIT_INPUT | SevenBitInput | SevenBitInput |
| confSHARED_MEMORY_KEY | SharedMemoryKey | SharedMemoryKey |
| confSINGLE_LINE_FROM_HEADER | SingleLineFromHeader | SingleLineFromHeader |
| confSINGLE_THREAD_DELIVERY | SingleThreadDelivery | SingleThreadDelivery |
| confSMTP_LOGIN_MSG | SmtpGreetingMessage | SmtpGreetingMessage |
| confTEMP_FILE_MODE | TempFileMode | TempFileMode |
| confTIME_ZONE | TimeZoneSpec | TimeZoneSpec |
| confTLS_SRV_OPTIONS | TLSSrvOptions | TLSSrvOptions |
| confTO_ACONNECT | Timeout.aconnect | See this section |
| confTO_AUTH | Timeout.auth | See this section |
| confTO_COMMAND | Timeout.command | See this section |
| confTO_CONNECT | Timeout.connect | See this section |
| confTO_CONTROL | Timeout.control | See this section |
| confTO_DATABLOCK | Timeout.datablock | See this section |
| confTO_DATAFINAL | Timeout.datafinal | See this section |
| confTO_DATAINIT | Timeout.datainit | See this section |
| confTO_FILEOPEN | Timeout.fileopen | See this section |
| confTO_HELO | Timeout.helo | See this section |
| confTO_HOSTSTATUS | Timeout.hoststatus | See this section |
| confTO_ICONNECT | Timeout.iconnect | See this section |
| confTO_IDENT | Timeout.ident | See this section |
| confTO_INITIAL | Timeout.initial | See this section |
| confTO_LHLO | Timeout.lhlo | See this section |
| confTO_MAIL | Timeout.mail | See this section |
| confTO_MISC | Timeout.misc | See this section |
| confTO_QUEUERETURN | Timeout.queuereturn | See this section |
| confTO_QUEUERETURN_NONURGENT | Timeout.queuereturn.non-urgent | See this section |
| confTO_QUEUERETURN_NORMAL | Timeout.queuereturn.normal | See this section |
| confTO_QUEUERETURN_URGENT | Timeout.queuereturn.urgent | See this section |
| confTO_QUEUEWARN | Timeout.queuewarn | See this section |
| confTO_QUEUEWARN_NONURGENT | Timeout.queuewarn.non-urgent | See this section |
| confTO_QUEUEWARN_NORMAL | Timeout.queuewarn.normal | See this section |
| confTO_QUEUEWARN_URGENT | Timeout.queuewarn.urgent | See this section |
| confTO_QUIT | Timeout.quit | See this section |
| confTO_RCPT | Timeout.rcpt | See this section |
| confTO_RESOLVER_RETRANS | Timeout.resolver.retrans | See this section |
| confTO_RESOLVER_RETRANS_FIRST | Timeout.resolver.retrans.first | See this section |
| confTO_RESOLVER_RETRANS_NORMAL | Timeout.resolver.retrans.normal | See this section |
| confTO_RESOLVER_RETRY | Timeout.resolver. retry | See this section |
| confTO_RESOLVER_RETRY_FIRST | Timeout.resolver.retry.first | See this section |
| confTO_RESOLVER_RETRY_NORMAL | Timeout.resolver.retry.normal | See this section |
| confTO_RSET | Timeout.rset | See this section |
| confTO_STARTTLS | Timeout. starttls | See this section |
| confTRUSTED_USER | TrustedUser | TrustedUser |
| confTRY_NULL_MX_LIST | TryNullMXList | TryNullMXList |
| confUNSAFE_GROUP_WRITES (deprecated) | UnsafeGroupWrites | UnsafeGroupWrites |
| confUSERDB_SPEC | UserDatabaseSpec | UserDatabaseSpec |
| confUSE_ERRORS_TO | UseErrorsTo | UseErrorsTo |
| confUSE_MSP | UseMSP | UseMSP |
| confWORK_CLASS_FACTOR | ClassFactor | ClassFactor |
| confWORK_RECIPIENT_FACTOR | RecipientFactor | RecipientFactor |
| confWORK_TIME_FACTOR | RetryFactor | RetryFactor |
| confXF_BUFFER_SIZE | XscriptFileBufferSize | XscriptFileBufferSize |
| DAEMON_OPTIONS( ) | DaemonPortOptions | DaemonPortOptions |
| HELP_FILE | HelpFile | HelpFile |
| INPUT_MAIL_FILTER( ) | InputMailFilters | InputMailFilters |
| QUEUE_DIR | QueueDirectory | QueueDirectory |
| STATUS_FILE | StatusFile | StatusFile |
enclose in opposing single quotes define(`confAUTO_REBUILD',`True') 