Domov technika Enterprise Mailbox

Enterprise Mailbox



Reasonsforloss

BecauseofGFWandotherreasons,themailcommunicationbetweenChinaandforeigncountrieswasmiserable.Itcanbesaidthatthereturnorlossofoverseasmailiscommonplace.Inthefaceofthissituation,thereareseveralmanifestations:

1.Self-builtserversofenterprises:Thereisnowaytodealwiththissituation.Canonlyconsiderchangingtheoutsourcingmethod,orcontinuetoendure;

2.Non-professionalmailserviceproviders:Theygenerallydonotinvestinoverseasserversforprocessing,orinvestinoverseasservers,bothintermsofabilityandtechnology.Weak(suchasnoencryption,nosmartDNS),whichcannoteffectivelysolvetheproblemofoverseasforwarding

3.Overseasforwarding:Weuseourowndeliverytechnology,combinedwithencryption,smartDNSandotherprocessing,sothatoverseasmailcanreachThebestlevelinthecountry.

Relatedtools

Rishiqingisacorporateofficesystem,includingcorporatemailboxes.

Iworkisacorporatemailboxsystem.

Reasonsforunblockedtraffic

Mailssentoverseas,ormailssentbyoverseasuserstoChina,areoftenunreceived,halfinterrupted,usersarenotlocal,etc..

Thesesituationsaremainlyduetothefollowingreasons:

1.Thenetworkiscongestedbetweendomesticandinternational,orthenumberofhopsistoomany,andthetransmissioncannotbetransmitted;

2.Rejectedbysomeforeignoperators;

3.Causedbyinternationalexporterrorsbetweendomesticandforeigncountries.

(Thecurrentsituationof3hasahugeimpactonusers'overseasmailsendingandreceiving.Generalusersandoperatorsareunabletosolveit.)

Howtobuildityourself

FrequentlyAskedQuestions

1.Ifeelthatthefunctionsofthemajormailsystemsaresimilar

Enterprisemailboxusersdonothaveclearmailrequirements,andnetworkadministratorsoftenfeelthatthemajormailsystemshavesimilarfunctionsandunevenprices.Thereisnowaytojudgewhethertheperformanceisgoodorbad,andtheselectionisevenmorevolatile.

2.Idon’tknowhowtotestthestabilityofthesystem

Forthetestunderthezero-maildataenvironment,whetheritisaninternalnetworkfunctiontest,apublicnetworktest,oranaccountopeningforuserstouse,Itisimpossibletotestthesystemstabilityinashortperiodoftime,anditisimpossibleforthecompanytospendmonthsorlongeronaprojectwaitingforyoutoselectandtest.

3.Systemsecuritycannotbeverified

ThecompanyusesanewdomainnameornewIPtotestthemailsystem,andthenewdomainnamehasnotbeendetectedduetospammers,hackersorworms,orTheexistenceofIPdoesnotattackthesystem,andthesecuritytestislikeapieceofwhitepaper,whichcannotbestudied,letalonethesecuritytestofsystemtheftissues,mailbombs,etc.

4.Canitmeetthecompany'sfollow-upemailneeds?

Manycompaniesoftenhavebeenontheemailsystemforaperiodoftimebeforeusersfeedbackvariousemailneeds,evenincludingsomepersonalizedcustomizationservicerequirements.Whetherthemanufacturercanmeetthecompany'sfollow-upemailneedsandwhetherithastheconditionstocontinuouslyupdateandupgradethesystemoftendirectlyaffectsthenumberofyearsthecompanycanusethesystem.

5.After-salesservice

Professionalandefficientafter-salesservicedirectlyguaranteesthelong-termstableoperationofthemailsystem.Formanufacturersthathavenotcooperated,companiesoftenneedtoverifyfrommultipleparties.

Selectionandtesting

Acomprehensiveandprofessionalsolutioncanhelpcustomerswhobuildtheirownmailsystems,howtoselect,howtotest,andhowtotaptheirpotentialmailneeds,Inordertofindaproductwiththehighestcostperformance.

1.Functiontest

1)Lookatthequotation

2)Thedifferentdegreeanddepthofrealizationofthesamefunction

ThisdirectCheckthelevelofdetailofproductperfection.Manydetailedfunctionsmaynotbeusedtemporarily,buttheyarenotfoundwhentheyareused,whichmeansthattheoriginalselectionandtestingworkwasnegligent.

2.Systemstabilitytest

3.Securitytest

1)Enterprisescansetupsomeemailaccounts(simplepasswordsarerecommended)andpublishthemtotheInternetOnline,suchasBaidu,Tianya,majorforums,etc.Afteraperiodoftime,thecompany'stestmailsystemwillgraduallyreceivesomespam.Ifthemailboxpasswordissimpleanditiseasytobestolen,itwillbecheckedagainwhetherthesystemhasaperfectpreventionandresolutionmechanismforsuchproblems.

2)Askthemanufacturerwhethertoprovideautomaticupdatesoftheanti-spamrulebase,andwhetherthereisananti-spamservermaintained.Basically,therearemanufacturerswhodotheirownanti-spamservers,andthecostisrelativelyhigh.

4.Askiftherearerelayserversplacedoverseas

Themainpurposeofrelayserversistosolveoverseasproblems.Fortheproblemofmaildeliveryfailure,onlyoneortwocannotguaranteethesuccessrateofoverseasmaildeliveryforallcustomersoftheenterprise.

5.Manufacturer'ssystemupdatecapability

Users'needsareoftengraduallytappedintheprocessofusingthemailsystem,andmanufacturersshouldbeabletoprovidecontinuousdevelopmentofsystemupdateservices.Customerscanfindthemanufacturer'sinvestmentinsystemresearchanddevelopmentfromthesidefromthemanufacturer'sproductconcept,futureproductdevelopmentdirection,andpastproductupdatefrequency.

Cloudcomputing

Howhascorporatemailboxeschangedinthecloudcomputingera?Firstlookatthesituationabroad.

GoogleAppsandZimbraaretworepresentativeservicesinthemailfield.ForGoogleApps,thereisnoneedtosaymuch.Judgingfromthenameofthisserviceline,GoogleAppsforBusinessisnotoriginallyintendedtobelimitedtothescopeofamailboxservice.Allservicelinesonitinclude:Gmail,GoogleAppsSync(applicationsynchronization),GoogleCalendar,GoogleContacts,GoogleContactssynchronization,GoogleDocs(thatis,thefunctionoftheOfficethreesuite),GoogleGroups(similartoforums,withmailGroupfunction),Googlewebsite(similartoacorporateportal),GoogleTasks,GoogleVideo,GoogleAudio,GoogleWave(allthreeareinstantmessagingservices),GoogleAnalytics,andGooglePlus(socialnetwork).

Zimbrastartedin2005.Atthebeginning,itfocusedonthe"opensourcecollaborationsuite".Atthattime,itwaspositionedasareplacementforExchange.Itnotonlyhadmail,butalsointegratedsearchandarchiving.Anti-spamandanti-virusfunctions,andallfront-endoperationscanbeperformedinthebrowser.Zimbranotonlyprovidesserverapplications,butalsoprovideshostingservicesthroughthird-partypartners,andthemostpraisedisitsvariousopenAPIinterfaces.

In2007,Yahoo!spentUS$350milliontoacquireZimbraunderitsumbrella.Itwasoriginallyintendedtouseittocounterattackinthemailfield.However,afterthreeyears,itwassoldtoVMware.Astheleaderofthevirtualizationfield,VMware'sacquisitionofZimbraisaverydelicatematter,becauseVMwareisveryspecificinthisfield,andallkindsofinvestmentaretofurtherconsolidateitspositioninthevirtualizationfield.ThefunctionsoftheZimbrasuitealsoincludecontactmanagement,groupcalendars,documentsharing,mobileclients,etc.Sincetheunderlyinglayerisbasedonvirtualizationtechnology,variousservicescanbepurchasedanddistributedaccordingtothenumberofusersandthetimeofuse.Flexibleon-demandpurchaseisoneofthecharacteristicsofcloudcomputing.

Severaldomesticcorporatemailboxesaregraduallytakingonmoreroles.ManyofthecorporatemailboxservicesofNetease,139,andotherportalsarebuiltbasedontheCoremailmailsystem,andCoremailwasoriginallyacommercialmailsystemdevelopedonthebasisofPostfix.Speakingofit,Coremail’srelationshipwithseveralportalenterprisemailboxservicesisthesameastherelationshipbetweenZimbraandDomainHostandotherhostingserviceproviders.Itistherelationshipbetweenthemailsystemandthehostingparty.However,thecompanybehindCoremail,Yingshi,alsorunsShangEasycorporatepostofficeisequivalenttodoingsystemandhostingatthesametime.

However,simplypurchasingservicesbasedonthenumberofusersandthetimeofuseisfarfrommeetingtheneedsofenterprises.Indifferentindustries,companiesneedtointegratetheiremailsystemswiththeirownCRM,ERPandotherbusinesssystems.Inthisregard,MicrosoftExchange+SharePointcanfindmanypartnerstoachievethis,butforsmallbusinesses,itisstillpowerless.ForGoogleAppsusers,userscanchooseamongtheseseveralGoogleapplications.Forexample,turningoffthevideocallfunctioncansavealittlemoney,butthismethodstillcannotmeettheneedsofmanycompanies.

Howshouldsmallandmedium-sizedenterprisesmeettheirneedsforcustomizedmailboxservices?Customizationalwaysrequiresinvestmentinthedevelopmentprocess,andmostsmallandmedium-sizedenterprisesinnon-technologicalindustrieswillnothavesuchresources;itisokayforsmallandmedium-sizedenterprisestopayforsuchcustomization,buttheamounttheyarewillingtobearisdefinitelylimited.

However,ifthemailserverhasacooperativerelationshipwiththeapplicationthatneedstobecustomized,theprogressofthematterwillbemucheasier.Forexample,thecooperationbetweenCoremailandYonyouWeikumaybringsomerelativelyconventionalsolutionstothemutualcustomersofbothparties.Imo,whichprovidesinstantmessagingtoolservices,isalsocooperatingwithCoremail.Ifthedegreeofcompletionishigh,itisnotimpossibletoachievethefunctionsofExchange+Lync.

Thenwhatneedstobedoneistoimplement"on-demanddistribution"ofthesemodularfunctions,whichcanbecalledacloudcomputingenterprisemailboxservice,oracloudcomputingenterprisecollaborativeofficeservicesuite.YingshispecificallyopenedaniCoremailproductlineforthisidea,providingthiskindofcustomizablehostingservice.

Testselection

Functiontest

1)Lookatthequotation

ThelistoffunctionsincludedinthequotationprovidedbydifferentmanufacturersisThedifference,suchasTurboMail,adomesticcorporatemailboxbrand,iscomprehensiveandcost-effectivecomparedtoothercorporatemailboxes.

2)Differentdegreesanddepthsofthesamefunctionrealization

ThecorefunctionmodulesofTurboMailproducts:

1.PCcomputerWebmail2.Mobilemail3.WebAdmin4.SMSinterface5.Anti-spamengine(TurboGatePro)6.Anti-virusmailengine(ClamAV)7.Advancedrelay8.StandardAPIdevelopmentkit9.Mailinglist10.Mailintelligentfiltering11.Sendingandreceivingrestrictionmanagement12.Systemmonitoring13.Systemlog14.Statisticalanalysis

TurboMailvalue-addedfunctionmodule:

15.Systembackup16.Organizationmanagement17.Enhancedversionannouncement18.Mailmonitoring19.Multi-levelmailAudit20.Authoritymanagementplatform21.Mailtrackingwithdrawal22.Schedule23.Networkharddisk24.Mailtransferstation25.Outlookaddressbooksynchronizationconnector26.Mailgreetingcard27.Corporatestationery28.Voiceandvideomail

StabilityTest

Thestabilityofthesystemcanonlybeverifiedthroughusertestsorstresstests.Itisrecommendedthatcustomersconductastresstestofthemailsystemandaformaltrialoftheproductionlinkafteralotofresearch.Ofcourse,testingisbestfree,soastoreduceprocurementrisks.Forexample,TurboMailcorporateemailwillprovidecustomerswithfreestresstestingtoolstoassistcustomersinthetest.Thistypeofemailcompanynaturallyhasamuchbetterreputation.

Protocoldifference

Intermsoffunctionalone,IMAPserviceissimilartothewidelyusedPOP3,whichisamailacquisitionprotocol,buttheIMAPprotocolismoreadvancedthanthePOP3protocol.ThemaindifferencewiththePOP3protocolisthattheuserdoesnotneedtodownloadallthemails,butcandirectlyoperatethemailontheserverthroughtheclient.Theusercandecidewhethertoreceive,deleteandretrievespecificpartsofthemailbybrowsingtheheaderofthemail.Youcancreateorchangefoldersormailboxesontheserver.InadditiontosupportingtheofflineoperationmodeofthePOP3protocol,italsosupportsonlineanddisconnectedoperations.Itprovidesuserswiththefunctionofselectivelyreceivingmailfromthemailserver,server-basedinformationprocessingfunction,andsharedmailboxfunction.TheofflinemodeofIMAP4isdifferentfromPOP3.Itdoesnotautomaticallydeletethemailsthathavebeentakenoutonthemailserver.Itsonlinemodeanddisconnectedmodealsousethemailserverasa"remotefileserver"foraccess,whichismoreflexibleandconvenient.Forexample,anemailsentfromtheiPhone4willalsoappearinthesentemailsoftheiPadandLightningMail.IfPOP3isused,thereisnosuchfunction.Allmailsaredownloadedlocally,andalloperationsonlyaffectlocalmails,andcannotbesynchronizedtothemailserverorotherclients.

Thedifferencebetweenmailboxes

1.Corporatemailboxes-differentfrompersonalmailboxes,itismoresuitableforenterprisebusinessapplications!

2.Thebenefitsitprovidestothecompany:

A.Itfullyreflectsthecorporateimagewiththecorporatedomainname(suchasabc#com)asthemailboxsuffix,andallemployees’mailboxesare"abe@Enterprisedomain”,toestablishaunifiedcorporateimageandfacilitatecorporateimagepromotion.Theemailusernamecanbetheemployee’sname,whichiseasytoremember.

B.Overcomingtheimpactofemployeeturnover.Whenemployeesleave,thecorporatemailboxcanberecoveredsmoothly,therebyretainingandcontinuingallbusinesscontacts.Ifthepersonalmailboxisusedfordailywork,theemployeewillnotturninafterleavingthejob,andthecustomermaystillcontacthispersonalmailboxandbetakenawaytogether.

C.Itisconvenientforenterprisemanagement.Itispossibletoopenenterprisemailboxesindependentlyaccordingtotheneedsoftheenterprise,freelynaming,assigningcapacity,grouping,grouping,settingfunctionrestrictions,etc.,tofacilitatetheunifiedmanagementoftheenterprise.

D.Enhanceinternalinformationcommunicationandcollaborativeofficecapabilities.Usesomeadvancedfunctionsoftheenterprisemailboxtoautomaticallysortincominglettersandautomaticallyanswercommonconsultationquestions,improveworkefficiency,andenhanceinternalinformationcommunicationandcollaborativeofficeability.

E.Bettersecurity,stabilityandservicequalitythanpersonalmailboxes.Corporatemailboxesarefarhigherthanpersonalmailboxesintermsofsecurity,stability,anti-virusandanti-spamfunctions,andhavespecialafter-salesservices.Support,servicequalityismoresuitableforenterprisebusinessapplications.

F.Itishelpfulforonlinepromotionandproductpromotion.Whenyoureceiveanunfamiliaremail,queryingthewebsitebasedonthedomainnameoftheletterisagoodwaytogettoknowtheotherpartyinitially.Withthecorporatemailbox,itiseffortlesstoincludeitindailycommunications.

ThecurrentmaximumcapacityofG,corporatemailboxeshasreachedunlimitedstorage,whichisincomparabletopersonalmailboxes

H,othervalue-addedservices:mobilephonesendingandreceivingmail,advancedanti-spamandanti-virus,mailarrivalSMSnotification,emailfax,emailmonitoring,emailbackupandrestoration,etc.

3,howtousethemailbox

(1),howtologintothemailbox:

SuccessfullyapplyforabusinessAfterthemailbox,pleasepayattentiontothesuccessfulnotificationoftheenterprisemailboxsentbytheHumanitiesOnlineSystem.Afterthedomainnameresolutiontakeseffect,youcanaccessthe"mail."yourdomainname,enterthe"EnterpriseEmailCenter",sendyouthewebmasterusernameandpassword,andloginYourbusinessemailaddress.

Features

1.Highmailboxstability;

2.Mailboxsendingandreceivingspeedisfast;

3.Thereisanoverseasforwardingserver;

4.Thereisamailboxmonitoringfunction.

5.E-mailblacklistissuesarehandledquickly.

AdvantagesandFeatures

Whataretheadvantagesofcorporatemailboxesthatmakeitoccupyanimportantpositioninbusinessoperations?

Promotecorporateimage

Acorporateemailwithacorporatedomainnamesuffixis​​nolessimportantthanacorporatewebsite.Ithelpscompaniesbuildanadvancednetworkimageandisthesourceofcorporateidentity.AnotherimportantwaytopromoteandpublicizecorporateimageontheInternet.Contactingcustomerswithcorporateemailscanhaveapowerfulbrandpromotioneffect.Customerscanlearnaboutcorporatewebsitesthroughtheiremailsuffixesandlogontothewebsitetolearnmoreaboutcorporateinformation.Whencommunicatingwiththeoutsideworldwithauniformcorporatemailbox,thecompanycangivepeopleasenseofscaleandinternationalization,therebyfurtherenhancingthecorporateimageandincreasingthetrustofcustomers.

Easytomanage

Enterprisescansetuptheirownadministratorstoallocateandmanagethemailboxaccountsofinternalemployees,andsetthemailboxspace,categoryandItbelongstothegroup,andcanaddordeleteusersatanytimeaccordingtothedevelopmentstatusoftheenterprise.Whenanemployeeleaves,thecompanycanrecyclethemailboxandsavethebusinesscommunicationinformationinthemailbox,therebyensuringthecontinuityofbusinessactivities.

Widerangeofapplications

Enterprisepostofficeandwebsiteconstructioncanbecarriedoutseparately,aslongasyouapplyforatop-leveldomainname(domesticorinternationaldomainname),youcanbuildyourowncorporateemailsystem.Someenterprisesthataretemporarilyunnecessaryorhavenoconditionstobuildawebsitecanalsoentertheinformationmanagementstageinadvance.Ofcourse,companiesthathaveestablishedawebsiteneedacorporatepostofficeevenmore.

E-mailsendingandreceivingisconvenient

EnterprisemailboxescangenerallysendandreceiveemailsthroughWEBandclientsoftware,andgenerallysupportstandardEMAILprotocolssuchasPOP3/SMTP,andsupportOutlook,Foxmail,etc.Mostmailclientprogramsmeetdifferentuserhabitsandmaketheuseandmanagementofe-mailmoreconvenient.

Anti-spam

Theincreasinglyrampantspamhasseriouslyaffectedtheenterprise'snetworkapplicationactivities.Enterprisemailboxesuseprofessionalanti-virusandanti-spamsystemstoensurethatenterprisesobtaingreenmailcommunicationservices.

Professionaltechnicalservices

Asoneofthebasicwaysforenterprisestoconductdomesticandforeignaffairsandbusinesscommunication,theirsecurityandstabilitywillbemoreimportanttothebusinessactivitiesoftheenterpriseImpact.Theenterprisemailboxserviceproviderhasprofessionalequipmentandaprofessionaltechnicalteam,whichcanprotecttheenterprisedataandbusinessinformationinthecommunicationprocesstothegreatestextent.Theserviceprovidershouldsetupasecuritysystemforthecorporatepostoffice.ThepreventivemeasuresincludeGigabitfirewall,anti-denialofserviceattackequipmentandNORTONviruscontrolcenter;inprotectingsystemdataanduserfiles,speciallydesignedRAID,diskThemulti-levelredundantbackupsystemincludingarrays,tapelibraries,andoff-sitestorageensuresthatdataisfoolproof;atthesametime,anintelligentanti-spamsystemisadoptedtointerceptandfilterspambymorethan95%.

Lowprice

Theannualfeeforrentingcorporatemailboxesisgenerallybetweenafewhundredyuanandtensofthousandsofyuan,whichcanbeusedbyafewtohundredsofemployees,butthepriceislow.Professionalmailboxtechnologyandsystemsecurityguaranteesaremuchmorevaluablethanusingfreemailboxes,anditismuchmorepracticalthanacompany'splantoinvestalotofmoneytobuilditsownmailservicesystem.

Precautions

1.Whereisthemailboxserverlocated?Isitsafeandstable?

2.Isthecorporatemailboxsafeandstable?

3.Logontotheofficialwebsitetocheckwhichcertificatestheyhave?

4.IsthereanationalauthoritysafetycertificationEAL2?

5.Howistheserviceattitude?

6.Oncethereisaproblemwiththemailbox,canitbesolvedintheshortesttime?

7.Canthemailboxfunctionmeettheneedsofthecompany?

8.Canthepriceofmailboxmeetthecurrentsituationofthecompany?

Settingsteps

(1),needtomodifytheMXrecordofthedomainname:

(2),needtomodifytheArecordofthedomainname:

(3)Checkaftermodification

Largeinventory

Currentlypopularself-builtenterprisemailboxsoftwareisgenerallybasedonWeb,POP3,IMAP4,SMTPandESMTPprotocole-mailManagementplatform,whichcanprovideenterpriseswithafullyfunctionalandhigh-performanceenterprisemailboxsystem.Thesupportofvirtualdomainallowsusersnotonlytoaccesstheirownemailswithtraditionalemailclients,butalsotoaccessandmanagetheirmailboxeswithabrowseratanytimeandanyplace;automaticemailcollection,forwarding,andreplyfunctionsareprovidedforusersUsinge-mailprovidesgreatflexibilityandconvenience.Herearesomecommonlyusedself-builtenterprisemailboxserversoftwareforyourreferencewhensettingupamailserver.

Postfix

Postfixis​​designedtoensurethereliabilityoftheprogramevenunderexcessiveload.Postfixis​​structuredbymorethantensmallsub-modules.Eachsub-modulecompletesspecifictasks,suchasreceivingamessagethroughtheSMTPprotocol,sendingamessage,deliveringamessagelocally,rewritinganaddress,andsoon.Postfixusesmulti-layerprotectionmeasurestopreventattackerstoprotectthelocalsystem.Postfixis​​morethanthreetimesfasterthansimilarserverproducts.AdesktopcomputerwithPostfixcansendandreceivemillionsoflettersaday.

Postfixdesignuseswebserverdesigntechniquestoreduceprocesscreationoverhead,andusesotherfileaccessoptimizationtechniquestoimproveefficiency,butatthesametimeensurethereliabilityofthesoftware.ThedesigngoalofPostfixis​​tobecomeareplacementforSendmail.Forthisreason,manypartsofthePostfixsystem,suchasthelocaldeliveryprogram,canbeeasilyreplacedbyeditingandmodifyingconfigurationfileslikeinetd.

Sendmail

Nomatterfromthewiderangeofuse,orfromthecomplexityofthecode,sendmailisaverygoodsoftware.Ifyouuseittobuildawebsite’semailsystem,youdon’thavetoworryaboutit,becausealmostallUnix’sdefaultconfigurationshavethissoftwarebuiltin.Youonlyneedtosetuptheoperatingsystem,anditcanrunimmediately.InUnixsystems,Sendmailisthemostwidelyusede-mailserver.Itisafreesoftwarethatcansupportthousandsorevenmoreusers,anditoccupiesverylittlesystemresources.

However,theconfigurationofSendmailisverycomplicated,anditssecurityisnotverygood,mainlybecausethenumberofearlyInternetusersandthenumberofemailsarequitesmall,andthesystemstructureofSendmailisnotsuitableforlargerloads.Forahigh-loadmailsystem,Sendmailneedstobeadjustedcomplexly.

Qmail

Qmailisdividedintodifferentmodulesaccordingtothesystem.Someareresponsibleforreceivingexternalmail,somearemanagingmailqueuesinthebufferdirectorytobesent,andsomearesendingmailtoTheremoteserverorlocaluserisdesignedbasedonthisprinciple.Qmailisdesignedtosolvethesecurityproblemofsendmail,andtheentiresystemstructurehasbeenredesigned.Specialconsiderationisgiventosafetyissuesinthedesignandimplementation.TheconfigurationofQmailisinconsistentwithSendmail,soitisnoteasytomaintain.Moreover,themeaningofQmail'scopyrightlicenseisveryvague,anditisnotevenreleasedwiththesoftware.

AccordingtothemodulardesignmethodofUnixthinking,Qmailhashigherperformance.Qmailalsoprovidessomeveryusefulfeaturestoenhancethereliabilityofthesystem.Inaddition,Qmailalsohassomeveryuniquefeatures.NotonlydoesitprovideawaythatiscompatiblewithSendmailtohandleforwarding,aliasingandothercapabilities,butitcanalsobeusedtoprovidethesefunctionsinacompletelydifferentwaywithSendmail.

SUN’siPlanetMessagingServer

iPlanetMessagingServerisapowerful,reliable,andlarge-capacityInternetmailserverdesignedforenterprisesandserviceproviders.MessagingServerusesacentralizedLDAPdatabasetostoreuser,group,anddomaininformation.Itsupportsstandardprotocols,multipledomainnamesandWebmail,withstrongsecurityandaccesscontrol.

AsanopenandextensibleInternet-basedhigh-performancecarrier-classcommunicationplatform,iPlanetMessagingServercansupporttensofmillionsofusers.Itsmainfeaturesincludeauthorizationmanagement,virtualhostandvirtualdomain,powerfulfunctionsandeasytoexpand.Operatorswillbenefitfromthevalue-addedservicesprovidedbytheirintegratedinformationservicesystemsincludingmail,wirelesstechnology,andintegratedinformation.

Intermsofuserexperience,WebMailuserscanputtheirpersonaladdressbookontheServer,sothatonlyasinglebrowserontheclientsidecanensurethattherequiredaddressinformationcanbequeried.Intermsofopenstandardsupport,iPlanetMessagingServercomplieswithInternet-recognizedopenstandardprotocols.ItsMTA(messagetransferagent)providesafriendlyapplicationprogramminginterfaceAPI,whichisconvenientforoperatorsorthirdpartiestodeveloptheirownservicecontent.Intermsofprovidingtelecommunicationservices,iPlanetMessagingServerMTAhasamodularhigh-performancearchitecturethatcanhandlevariousdatatypes.Theoptimizedmulti-threadedstructuredesignbringsthelargestamountofinformationprocessingandisanidealchoiceforlarge-scalemailsystems.

MicrosoftExchangeServer

MicrosoftExchangeServerisamainintranetcollaborationapplicationserver,suitableforuserswithvariouscollaborationneeds.ThestartingpointoftheExchangeServercollaborativeapplicationistheindustry-leadingmessageexchangefoundation,whichprovidestheindustry'sstrongestscalability,reliabilityandsecurity,andthehighestprocessingperformance.ExchangeServerprovidesrichcollaborationapplicationsincludinge-mail,meetingscheduling,groupschedulemanagement,taskmanagement,documentmanagement,real-timemeetingsandworkflows,andallapplicationscanbeaccessedthroughanInternetbrowser.

ExchangeServerisawell-designedmailserverproductthatprovidesallthemailservicefunctionsusuallyrequired.InadditiontoregularSMTP/POPprotocolservices,italsosupportsIMAP4,LDAPandNNTPprotocols.TherearetwoversionsofExchangeServerserver.ThestandardversionincludesActiveServer,networknewsserviceandaseriesofinterfaceswithothermailsystems;theenterpriseversionincludesthefunctionsofthestandardversion,aswellastheintegrationwithIBMOfficeVision,X.400,VMandSNADSCommunicatione-mailgateway,ExchangeServersupportsWebbrowser-basede-mailaccess.

Domino

TheDominomailserverprovidesaunifiedsystemthatcanbeusedfore-mail,Webaccess,onlinecalendarandgroupscheduling,collaborativeworkspace,bulletinboardsandnewsgroupservicesstructure.FromLotusNotestoWebbrowsers,toOutlookandPDAs,unparalleledmobilefunctionsandsupportforawiderangeofclientsenableuserstosendandreceiveinformationsecurelyanytime,anywhere.

TheDominomailservercanrunonthecompany'sexistinghardware,software,andnetwork,andseamlesslyinteroperatewithothercommunicationsystemsthroughopenstandards.Centralizeddesktopcontrol,informationtrackingandmonitoring,andremoteservermanagementfunctionscanachievestableITsupportforregionaloffices,therebyfurtherreducingthecostofownership.Optimizedadd-onproductssuchasdesktopfaxandintegrateddocumentmanagementprogramscanincreasethevalueofthesystemandexpandthecommunicationinfrastructureoftheenterprise.

Systemfunction

Thesystemadoptsmodulardesignandhasgoodpackaging,whichmakesthesystempowerfulexpansibility.Themailcoresystemandthemailfront-end(Webmail)systemcanrunondifferenthosts,anddifferentmodulesofthesoftware,suchasthetransceivermodule,userauthenticationmodule,mailstoragemodule,useraccessmodule,etc.,canberunondifferentmachines.,Tocompletethefunctionsoftheentiree-mailsystemtogether.Ifnecessary,eachmodulecanbesplitandrunondifferentserverstoachieveloadsharing,sothesystemcanbecustomizedaccordingtoneedsanduserusagepatterns.Throughmulti-machineclustertechnology,operatorscanhandlethesending,managementandstorageofmassivemails.Accordingtoloadflowmanagement,operatorscangrasptheloadstatusofthesystemandaddserversaccordingtobusinessdevelopmentneeds.Thissystemcansupportmillionsoreventensofmillionsofusers.

Mainfunctions

·Mailreceivingandsendingfunctions-thesystemsupportsstandardSMTPandESMTPmailreceivingandsendingprotocols.

·Mailfetchingfunction-thesystemsupportsthestandardPOP3protocol.

·ProvideextendedWebaccessfunction

·Mailrejectionfunction-richmailrejectionfunctiontoavoidattacks.

Automaticmailfiltering

·Mailsystemsettingmanagementfunction

·Usermailboxcustomfoldermanagementfunction

·MultiplemaildomainsManagement——Achievemultiplemaildomainsononemailsystem.

·Securityfeatures—adoptingadvancedNASstoragetechnologytoensurethesafetyandreliabilityofthesystem

·Mailusermanagement

·Systemannouncement*

·Mailboxautomaticalarmfunction*

·Webmail——Apply,login,managemailboxes,sendandreceivemailsthroughWWW.

Howtochoose

VirusesarerampantontheInternet,andviciousvirusessuchasWeijin,PandaBurningIncense,andGreyPigeonshaveeruptedoneafteranother.Usersarefacingserioussecurityriskswhenusinge-mail.Thenumberofspamemailsisalsohigh,causingusers'mailboxresourcestobewastedandworkefficiencyreduced.Therefore,securityisanimportantmanifestationofthevalueofanenterprisepostoffice,andanti-virusandanti-spamisalsoanimportantfunctionthatmainstreamenterprisepostofficeproductsmustpossess.

Agoodcorporatepostofficecannotonlyimproveofficeefficiencyforcompanies,butsometimesalsohelpcompaniesseizeeverybusinessopportunity.IntheearthquakeinTaiwanattheendof2006,theInternetconnectionbetweendomesticandoverseaswasinterrupted.Manycompanieswereunabletocontactforeigncustomersbye-mail,andthereforelostmanyopportunitiesforcooperation.Inthisnetworkdisconnectionincident,somepostofficeswithoverseasforwardingandmulti-serverforwardingfunctionsshowedtheirtalents,sendingandreceivingoverseasmailnormally.Whetherithasoverseasforwardingandmulti-serverforwardingfunctionshasalsobecomeanimportantreferenceformanycompaniestochooseapostoffice.

Productswithhighqualityandexcellentperformancearethenaturalchoiceofallusers.Asanindispensableofficeassistantfordailywork,thesameistrueforthecorporatepostoffice.Onlyitsstableandfastoperationcanguaranteetheenterprise,itscustomers,anditsinternalCommunicationisunimpeded.However,formanyenterprises,especiallysmallandmedium-sizedenterprises,theshortageoffundshasalwaysbeenthebiggestproblemthatplaguestheirfurtherdevelopment.Therefore,itistheinevitablerequirementofthesecompaniestouseeverycapitalcarefullyandsavethecostofeveryproject.Fortheindispensablecorporatepostoffice,theyalsohavetheirownchoices,andthemostimportantcriterionis"price-performanceratio".

Simplepowerfulorlow-pricedproductsarenotthebestchoiceformostcompaniesinourcountry.Seekingthebestfitbetweenperformanceandprice,thiskindofcost-effectiveproductisoftenwelcomedbythemajorityofsmallandmedium-sizedenterprises.

Emailbrand

AlibabaCloudEnterpriseMail

SinaEnterpriseMail

ChinaResourcesBossPostOffice

263EnterpriseE-mail

139EnterpriseMailbox

TOMEnterpriseMailbox

NetEaseEnterpriseMailbox

138EnterpriseMailbox

TencentEnterpriseEmail

LinggeEnterpriseMailbox

corp-emailEnterpriseMailbox

35InternetEnterpriseMailbox

LinkedWorldEnterpriseMailbox

GleasyYixinEnterpriseMailbox

WebsitethroughEnterpriseMailbox

AccentEnterpriseMailbox

SohuEnterpriseMailbox

eYouEnterpriseMailbox

21cnEnterpriseMailbox

iCoremailEnterpriseMailbox

269EnterpriseMailbox

IdisExchangeEnterpriseMailbox

GuguInternetEnterpriseMailbox(UnlimitedPostOffice)

Speed​​EnterpriseMailbox

EasternNetscapeEnterpriseMailbox

WanwangEnterpriseMailbox

SunshineInterconnectedExchangeEnterpriseMailboxes

SecurityTips

Inthepast,youonlyneededanti-virussoftwareandbasicanti-spamfilterstoensurethesecurityofenterprisemailboxes.TheseoldergenerationmailboxesTheeffectivenessofsafetycontrolhasrapidlydeclined.Attackerswillcarefullycraftemailsforspecifictargetrecipients,andtheyusuallysendsuchemailsfromthehackedemailaccountsoftherecipient'sfriendsorrelatives.Malwaresentviaemailoftenexploitszero-dayvulnerabilities,andnoanti-malwaresystemcanstopit.Thisshowsthate-mailthreatshaveescalated,andintermsofnature,thisthreathasbecomemoredynamicandtargeted.Stillrelyingon"cumbersome"internale-mailsystems,suchasMicrosoftExchangeandIBMLotusDomino.Mostcompaniesneedtodeploymanyemergingnetworksecuritytechnologiestoprotectthesesystems.Howtohelpcompaniesimprovemailboxsecurity.Thesetechnologiescanusuallybeaddedtocorporateemailsystemsasplug-ins,oraspartofemailsecuritydevicesthatworkcloselywithemailservers.

ReputationManagementService

Oneofthemosteffectivewaystofilteroutmaliciouscontentinemailsistosubscribetoemailreputationmanagementservices.Theseservicescollectinformation(includingdataonthesender,subject,attachment,andmanyothercharacteristics)oftheemailtheyreceivefromtheenterprisetodeterminethepossibleintentionsofeachsender.Thisinformationallowseachcompanytotakeactionsbasedonitssecurityrequirementsandtherelativereputationscoreofeachsendertodeterminewhichemailsthecompanyallowstosendtotherecipient.Theadvantageoftheseservicesisthattheycandetectemailsacrossmanycompanies,andeachcompanycannotachievethisdetectiononitsown.

Temporaryquarantine

Asimpleandveryeffectivetechniquetopreventthelatestemailattacksistotemporarilyquarantinesuspiciousemails.Manythreats(especiallythoseinvolvingphishingattacks)haveextremelyshortlifespans.Itmayonlytakeafewhoursfromtheproductionandsendingofphishingemailstothedetectionofthreatsandtheshutdownofsupportingmaliciouswebsites.Butanti-phishingtechnologycannotfullykeepupwiththepaceoftheserapidlyemergingthreats.Therefore,whensuspiciousemailcontentisdetected,companiesshouldtemporarilydelayemails.Liketheemailreputationmanagementservice,theconfigurationoftemporaryisolationshoulddependonthesecurityrequirementsoftheenterprise.Otherwise,thismaycausenormalemailstobeunintentionallydelayedandaffectbusinessoperations.

Outboundmailfiltering

Enterprisesshouldnotonlyfilterthecontentoftheirinboundemails,butalsofilteroutboundemails.Thiscanusuallybeachievedwithexistingtechnology.Forexample,datalossprevention(DLP)productscanpreventthesendingofemailsthatcontainsensitivepersonallyidentifiablemessages(PII).Theusermayunintentionallysendthisemail,oritmaybesentmaliciouslybymalwarethatinfectstheuser'scomputer.Manycompaniescanalsoenforcecontentsecuritypoliciesonoutboundemails,suchaspreventingthesendingofemailsthatcontainprofanityorkeywordswithinappropriatecontent("confidential").

Emailencryption

Policy-basedemailencryptionmainlyinvolves:selectingemailsforencryptionbasedonacertainpredefinedstandard.Forexample,anenterprisecanformulatesuchapolicythatwhenane-mailsentbysomeseniorleaderscontainsspecificwordsorphrasesinthesubject,orhasvariousattachments,itwillbeencryptedtoprotectitsconfidentiality.Companiescanevenchoosetoencryptthecontentofallinternale-mails,andnowtherearetechnologiesthatcanencrypte-mailssentoutsidethecompany(suchasbusinesspartners).

Ideally,theuseofpolicy-basedemailencryptionshouldbetransparenttousersandprotectthesecurityoftheiremails.Theydonotneedtochoosewhethertoencrypttheircommunicationsforeachemail(someemailsEncryptionplug-inislikethat).GiventhespreadofBYODtrendsinenterprises,thisisbecomingmoreandmoreimportantbecausethesedevicesoftenlackthesecuritycontrolsincludedinthemobiledevicesissuedbyenterprises.Inenvironmentswheremobiledevicemanagement(MDM)productsarenotdeployed,policy-basedemailencryptionisaveryimportantsecurityelement.

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