Cov ntsiab lus ntawm tus Email Chaw Nyob

Kawm Cov Cim Yuav Siv Tau

Email chaw nyob, xws li "me@example.com", yog li ntawm ntau lub ntsiab lus.

Feem ntau prominently, koj pom lub cim '@' hauv lub "nruab nrab" ntawm txhua tus email chaw nyob. Rau qhov "txoj cai" yog lub npe sau , "piv txwv" hauv peb tus qauv.

Tus Sau Lub Npe

Domains nyob rau hauv Internet ua raws li lub hierarchical system. Muaj qee cov xov tooj ntawm cov npe saum toj kawg nkaus ("com," "org," "info," "de", thiab lwm lub teb chaws cov qauv, piv txwv), uas yog qhov kawg ntawm txhua lub npe. Hauv ib qho kev sau npe saum toj no, kev sau npe npe rau cov tib neeg thiab cov koom haum thov rau lawv. "txog" yog ib qho piv txwv ntawm xws li ib txoj cai sau npe. Tus tswv ntawm tus tswv ces tau teem caij sub-theem ywj siab, ua ib yam dab tsi zoo li "boetius.example.com."

Tshwj tsis yog tias koj yuav koj tus kheej sau, koj tsis muaj ntau cov lus (los yog xaiv) txog txoj cai, sau lub npe ntawm koj tus email chaw nyob.

Tus Neeg Lub Npe

Rau qhov "sab laug" ntawm '@' kos npe yog tus us username. Nws tsim tawm uas nyob ntawm tus tswv yog tus tswv ntawm tus email chaw nyob, piv txwv li, "kuv."

Yog hais tias nws tsis raug muab rau koj los ntawm koj lub tsev kawm ntawv lossis tus tswv lag luam (los yog tus phooj ywg), koj tuaj yeem xaiv lub username dawb. Thaum koj zwm npe rau tus email dawb , piv txwv, koj tuaj yeem nkag mus rau koj tus kheej siv lub npe.

Koj tsis tag dawb, tab sis. Nyob rau hauv qhov tseeb, tus naj npawb ntawm cov cim uas yuav siv tau lub npe ntawm username ntawm email chaw yog cia sau. Txhua yam uas tsis tau qhia meej yog txwv tsis pub.

Cim pub rau hauv Email chaw nyob

Tam sim no, dab tsi yog lub cim uas siv tau los tsim ib qho email chaw nyob? Yog tias peb sab laj txog cov txheej txheem hauv Internet tsim, RFC 2822, txheeb xyuas lawv zoo nkaus li yog ib qho kev sib tw kawg.

Tus neeg siv lub npe muaj cov lus , sib cais los ntawm dots ['.']. Lo lus yog ib lub npe hu ua " atom" los sis "string". Ib qho atom

• ib qib ntawm ASCII cim
  • los ntawm 33 mus rau 126 xyoo
    • 0 txog 31 thiab 127 yog tswj cov cim, 32 yog cov ntsiab lus me
• tsis suav
  • kev zawm hniav,
    • '(', ')', '[', ']', ''
  • punctuation marks,
    • '.', ',', ';', ':'
  • ob lub cim,
    • slashes thiab quotation qhab nia
  • tus cim ua dab tsi
  • tus mighty '@'.

Ib txoj hlua hais tawm pib thiab xaus nrog ib tus quotation character (")" Nyob rau ntawm cov quotes, koj tuaj yeem tso cov ASCII tus cwj pwm (tam sim no los ntawm 0 mus rau 177) uas tsis suav cov lus nug thiab qhov xa rov qab ('/ r'). qhov nraub qaum nrog lub nraub qaum ('/') nrog rau nws. Lub nraub qaum ris yuav qhia txog txhua tus cwj pwm: Tus backslash ua rau cov cim nram qab no poob qhov tshwj xeeb lub ntsiab lus uas feem ntau yuav muaj nyob rau hauv lub ntsiab lus. txoj hlua hais tiam sis zoo nkaus li ib qho lus cim hauv nws.

Kuv xav tias nws zoo tshaj yog tias peb hnov ​​qab txhua qhov no (hais los yog tsis) sai sai.

Cim koj yuav tsum siv nyob rau hauv koj qhov chaw Email

Tus txheej txheem npuaj dab tsi yog siv

• tej ASCII alphanumeric tus cwj pwm
• ntxiv rau ib co kev zoo, tab sis tsis yog "cim"
  • '', '#', '$', '%', '&', '*' '+ +', '-', '~', thiab txhua yam koj tuaj yeem nrhiav tau ntawm ASCII 33 thiab 47.

Ua luv luv, siv cov cim cim , cov zauv, thiab cov cim hauv qab los ua koj tus email.