Code-blue TOOLVOX X3 Manual de usuario descargar pdf (Pagina 120)

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page 120 of 132

ToolVox® X3

Administrator Guide

Max number of Postﬁx child processes

ThisoptionlimitsthenumberofchildprocessesthatPostxwillspawn.Onhighloadservers,the

defaultmaybetoolowandneedtoberaisedtoasmuchas500ormore.Formostenvironments,

50ismorethanadequateandmayevenbeoverkill.Forexample,ondial-uporconsumer

broadbandservingoneto10users,amoreappropriatelimitmightbe10.Ifindoubt,leaveits

defaultunlessitcausesproblems.Thisoptioncorrelatestothedefault_process_limitdirectiveand

defaultsto50.

Max number of addresses remembered by the duplicate ﬁlter

Whileexpandingaliasesand.forwardles,Postxwillrememberaddressesthatarebeingdelivered

toandattempttopreventduplicatedeliveriestothesameaddress.Thisoptionlimitsthenumberof

recipientaddressesthatwillberemembered.Itcorrespondstotheduplicate_lter_limitdirectiveand

defaultsto1000.Thereisnocompellingreasontoincreasethisvalue.

Max attempts to acquire ﬁle lock

ThisoptionlimitsthenumberofattemptsPostxwillmakewhenattemptingtoobtainanexclusive

lockonamailboxorotherlerequiringexclusiveaccess.Itcorrespondstothedeliver_lock_

attemptsdirectiveanddefaultsto20.

Time in seconds between ﬁle lock attempts

Postxwillwaitaspeciedtimebetweenattemptstolockagivenleafterafailedlockattempt.This

optionconguresthedeliver_lock_delaydirectiveanddefaultsto1second.

Max attempts to fork a process

IfPostxattemptstoforkanewprocessandfails,duetoerrorsoralackofavailableresources,it

willtryagainaspeciednumberoftimes.Thisoptioncorrelatestothefork_attemptsdirectiveand

defaultsto5.

Time in seconds between fork attempts

Postxwilltrytospawnanewprocessaspeciedtimeafterafailedattempt.Thisoptioncorrelates

tothefork_delaydirectiveanddefaultsto1second.

Max memory used for processing headers

ThisoptionlimitstheamountofmemoryinbytesthatPostxwillusetoprocessmessageheaders.

Ifamessageheaderistoolargetotintothememoryspecied,theheaderswillbetreatedas

partofthemessagebody.Thisoptioncorrelatestotheheader_size_limitdirectiveanddefaultsto

102,400.

Max memory used for handling input lines

ThisoptionlimitstheamountofmemoryinbytesthatPostxwillusetohandleinputlines.Aninput

lineisanylinereadfroman:include:or.forwardle.Inordertopreventthemailserverfromusing

excessiveamountsofmemory,itwillbreakuplesintochunksofthislength.Thisoptioncorrelates

totheline_length_limitdirectiveanddefaultsto2048.

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