
Code Blue
•
259 Hedcor Street
•
Holland, MI 49423 USA
•
800.205.7186
•
www.codeblue.com GU-154-F
page 124 of 132
ToolVox® X3
Administrator Guide
Thiswillrestrict,basedonthecontentsofthemap,allowingonlysendersthatareallowedbythe
map.Themapmaycontainnetworks,parentdomains,orlocalpart@.
reject_maps_rbl
reject_invalid_hostname
Iftheclienthostnameisinvalidduetobadsyntax,therequestwillberejected.
permit_naked_ip_address
IftheclientHELOorEHLOcommandcontainsanakedIPaddresswithouttheenclosing[]brackets
asrequiredbythemailRFC,themessagewillberejected.Bewarethatsomepopularmailclients
sendaHELOgreetingthatisbrokenthisway.
reject_unknown_hostname
RejecttherequestifthehostnameintheclientHELOcommandhasnoAorMXrecordintheDNS.
reject_non_fqdn_hostname
Iftheclienthostnameisnotintheformofafully-qualieddomainname,asrequiredbytheRFC,
themessagewillberejected.
check_helo_accessmaptype:mapname
TheserverwillsearchthenamedaccessdatabasemapfortheHELOhostnameorparent
domains.IftheresultfromthedatabasesearchisREJECTora4xxtextor5xxtexterrorcode,the
messagewillberefused.AresponseofOKorRELAYoranallnumericalresponsewillpermitthe
message.
permit
Thissimplypermitsanything.Generally,thiswillbeattheendofasetofrestrictionsinorderto
allowanythingthathasnotbeenexplicitlyprohibited.
reject
Rejectseverything.Thiscanbeusedattheendofachainofrestrictionstoprohibitanythingthat
hasnotbeexplicitlypermitted.
warn_if_reject
Thisisaspecialoptionthatchangesthemeaningofthefollowingrestriction,sothatamessagethat
wouldhavebeenrejectedwillbeloggedbutstillaccepted.Thiscanbeusedfortestingnewruleson
productionmailserverswithouttheriskofdenyingmailduetoaproblemwiththerules.
reject_unauth_pipelining
IftheclientsendscommandsaheadoftimewithoutrstconrmingtheserversupportSMTP
commandpipelining,themessagewillberejected.Thiswillpreventmailfrompoorlywrittenbulk
emailsoftwarethatusespipeliningtospeedupmassdeliveries.
Kommentare zu diesen Handbüchern