Code-blue TOOLVOX X3 Instrukcja Użytkownika Pobierz pdf (Strona 114)

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ToolVox® X3

Administrator Guide

willhaveasufxappendedtoitbasedontheletype.Thisoptioncorrelatestothealias_maps

directiveandthedefaultissystemdependent.Commondefaultsincludehash:/etc/aliasesorhash:/

etc/postx/aliases.Therstpartoftheentryprecedingthecolonisthetypeofdatabasetouse,

whichwillbeoneofhashforsystemswithamodernBerkeleyDBimplementation,dbmforolder

stylesystemsthatonlyhavedbmavailable,ornisforsystemsthatrunNIS.Theafter-colonportion

oftheentryisthepathtothelenamewherethedatabasenameisderived.Thedatabaseswill

bebuiltfromthecontentsoftheatlesbyPostxonstartuporwhenrunningthenewaliases

command.

Alias databases built by Postﬁx

Thisoption,whichiscloselyrelatedtothepreviousAliasoption,speciesthealiasdatabasele(s)

thatarebuiltwhenthenewaliasesorsendmail-bicommandsarerun.Thesecommandsgenerate

thealiasdatabasefromtheatleinthepreviousAliasoptioninordertospeedaliaslookups

performedbyPostx.Becausetheremaybethousandsofaliasesonalargemailserver,importing

themintoadatabaseisnecessarytomaintainefciency.Thisoptioncorrelatestothealias_

databasedirective.Defaultsaresystemdependent,butwillcommonlybethesameastheprevious

Aliasoption,withtheappropriatedatabaselesufxappended.

Aliases

Thissectionofthepageprovidesalistofallconguredaliases.Toeditanalias,clickonthename.

Tocreateanalias,clickontheCreateanewaliasbuttonandllintheNameandAliasto...elds.

Wheneveraliasesleshavebeenmodied,itisnecessarytorecreatethealiasesdatabaseles

inorderforchangestotakeeffect.WhenusingWebmin,thisisperformedautomaticallyandno

additionalstepsarerequired.

Note

 Ifaddingaliasesfromthecommandline,itispossibletoregeneratethealiasesdatabase

 usingthecommandpostalias.Themainpageforthiscommandisausefulresourcefor

 understandinghowaliasesdatabasesarehandledinPostx.

Canonical Mapping

CanonicalmappinginPostxisusedformodifyingmailintheincomingqueue.Italtersboththe

messageheadersandthemessageenvelopeinformationforlocalorremotemail.Thismapping

canbeusefultoreplaceloginnameswithFirstname.Lastnamestyleaddresses,ortocleanupodd

addressesproducedbylegacymailsystems.

Canonical Mapping Tables

Ifyouuseanycanonicalmappingtables,theymustbespeciedintherstsectionoftheCanonical

Mappingmodule.Afterdeningthem,youcaneditthemfromthesecondsectionofthemodule.

Address mapping lookup tables

Thisoptionspeciesthelocationoftheoptionalcanonicaladdressmappingtablele.Thismapping

isappliedtobothsenderandrecipientaddresses,inbothenvelopesandheaders.Thisoption

conguresthecanonical_mapsdirectiveandisdisabledbydefault.Likethealiaseslesdiscussed

inthelastsection,canonicalmappinglesarespeciedbyadatabasetypeandalename.The

accepteddatabasetypesdependonyouroperatingsystemandinstalledcomponents.Usuallyhash

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