Computers, Network
Mail SMTP-ports thiab lawv tseem ceeb
Niaj hnub no peb yuav tham txog dab tsi siv SMTP-ports. Nws yog hais txog ib tug yawm lug siv network raws tu qauv, tsim rau e-mail kis tau tus mob ntawm TCP / IP tes hauj lwm.
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raws tu qauv Txheej txheem cej luam
NTAUB NTAWV hais kom yog siv ncaj qha rau cov kis ntawm cov ntawv nyeem lus. Nyob rau hauv cov ntaub ntawv no peb yuav sib tham txog cov ntsiab lus ntawm cov lus, es tsis yog ib feem ntawm nws cov plhaub. Qhov no lub caij muaj ib lub cev thiab cov lus header, uas yog cais los ntawm ib tug dawb paug kab. NTAUB NTAWV - yog nyob rau hauv qhov tseeb ib pab pawg neeg ntawm cov lus txib. Txawm li cas los, cov neeg rau zaub mov teb rau lawv ob zaug. Ua ntej ntawm tag nrho cov, ncaj qha mus rau lub NTAUB NTAWV hais kom ua, li no qhia rau lub system ntawm lawv kam txais cov lus. Nyob rau hauv tas li ntawd, cov lus teb mus rau xaus ntawm cov ntaub ntawv ib theem zuj zus. Nws yog tsim nyog los noj los yog tsis kam txais yuav tag nrho cov tsab ntawv. Txhua yam ntawm ntau cov lus teb ib tug zoo los yog tsis zoo neeg rau zaub mov, raws li muaj tim khawv los nws code. Cov yav tas yuav ua tau ib ntus los yog mus li lawm. Los ntawm ib tug tshwj xeeb code neeg rau zaub mov qhia tias muaj yog tos ntxiv ntaub ntawv los ntawm tus neeg. Haumxeeb nkaus servers txhawb tag nrho cov tsiaj ntawv yuav tsum tau resubmitted nyob rau hauv cov kev tshwm sim ntawm ib tug yuam kev.
SMTP - qhov no tus me nyuam raws tu qauv. Qhov kev txiav txim yuav tsis muab qhov kev thov lus los ntawm ib tug tej yam tej thaj chaw deb neeg rau zaub mov. Yuav kom muab e-mail, thiab tswj mail box uas tsim los ntawm lwm yam kev cai, xws li POP, thiab IMAP. Mus rau qhov tseeb technology yuav tsum tau kos, yog hais tias tus computer yog tsis ib txwm muab rau los yog muaj ib ntus nkag tau mus rau hauv Internet.
Tam sim no nyob rau tej thaj chaw deb mail queue pib. Peb yuav tau tham txog cov yam ntxwv ntawm SMTP. Nws tso cai rau ib tug tej thaj chaw deb party yuav pib ua cov lus queue siv cov neeg rau zaub mov. Yog li, lub tom kawg yuav tau txais cov kev sau ntawv mus rau nws siv cov tig hais kom ua. Tshwj xeeb ODMR technology tso cai rau relay lus rau cov authenticated neeg siv. E-mail yog yuav tsum tau thaum ib tug account yog tsim siv xwb Latin cim. Rau cov neeg uas tsis muaj kev nkag tau mus rau lub English keyboard, tus qauv RFC 6531. Ua tsaug rau nws tau tsim mail tau kawm kom paub txog "ntxiv" cim. Yog li ntawd peb hais lus luv luv hais txog dab tsi lub SMTP-ports thiab dab tsi lawv yeej siv.
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