Code-blue TOOLVOX X3 Manual do Utilizador descarregar pdf (Página 124)

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page 124 of 132

ToolVox® X3

Administrator Guide

Thiswillrestrict,basedonthecontentsofthemap,allowingonlysendersthatareallowedbythe

map.Themapmaycontainnetworks,parentdomains,orlocalpart@.

reject_maps_rbl

reject_invalid_hostname

Iftheclienthostnameisinvalidduetobadsyntax,therequestwillberejected.

permit_naked_ip_address

IftheclientHELOorEHLOcommandcontainsanakedIPaddresswithouttheenclosing[]brackets

asrequiredbythemailRFC,themessagewillberejected.Bewarethatsomepopularmailclients

sendaHELOgreetingthatisbrokenthisway.

reject_unknown_hostname

RejecttherequestifthehostnameintheclientHELOcommandhasnoAorMXrecordintheDNS.

reject_non_fqdn_hostname

Iftheclienthostnameisnotintheformofafully-qualieddomainname,asrequiredbytheRFC,

themessagewillberejected.

check_helo_accessmaptype:mapname

TheserverwillsearchthenamedaccessdatabasemapfortheHELOhostnameorparent

domains.IftheresultfromthedatabasesearchisREJECTora4xxtextor5xxtexterrorcode,the

messagewillberefused.AresponseofOKorRELAYoranallnumericalresponsewillpermitthe

message.

permit

Thissimplypermitsanything.Generally,thiswillbeattheendofasetofrestrictionsinorderto

allowanythingthathasnotbeenexplicitlyprohibited.

reject

Rejectseverything.Thiscanbeusedattheendofachainofrestrictionstoprohibitanythingthat

hasnotbeexplicitlypermitted.

warn_if_reject

Thisisaspecialoptionthatchangesthemeaningofthefollowingrestriction,sothatamessagethat

wouldhavebeenrejectedwillbeloggedbutstillaccepted.Thiscanbeusedfortestingnewruleson

productionmailserverswithouttheriskofdenyingmailduetoaproblemwiththerules.

reject_unauth_pipelining

IftheclientsendscommandsaheadoftimewithoutrstconrmingtheserversupportSMTP

commandpipelining,themessagewillberejected.Thiswillpreventmailfrompoorlywrittenbulk

emailsoftwarethatusespipeliningtospeedupmassdeliveries.

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