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IMAP og POP3

Læs alt hvad du behøver at vide om IMAP og POP3

IMAP og POP3 er to forskellige e-mailprotokoller. Protokollerne bruges begge til at hente e-mails fra en mailserver. Før vi forklarer forskellen, så lad os prøve at forenkle det en smule. Hvis du bruger en e-mailklient, kan du konfigurere kontoen med enten IMAP eller POP3. Uanset hvilken løsning du vælger, så gør det dig i stand til at kunne læse dine emails enten på din computer eller telefon eller sågar en tredje enhed.

Det er helt op til dig at beslutte, om du vil bruge IMAP eller POP3. Nedenfor har vi forklaret, hvad forskellene er på IMAP eller POP3. 

Hvad er POP3?

POP3 står for Post Office Protocol version 3. En af forskellene mellem IMAP og POP3 er, at POP3 er noget enklere end IMAP. POP3’s eneste job er nemlig at downloade dine e-mails fra en mailserver til din computer eller smartphone. Derudover downloader POP3 kun e-mails, der er i din indbakke. For eksempel vil e-mails fra din spam-mappe, dine kladder, mappen med sendte mails og dine slettede e-mails ikke blive downloaded. 

POP3 synkroniseres heller ikke. Det betyder, at når POP3 henter e-mails fra en mailserver, så sletter mailserveren efterfølgende dine e-mails. Derfor vil der ikke være nogen gemt kopi på mail-serveren, når POP3 har hentet dine mails.

Så hvis du har flere computere, så betyder det altså, at du kun vil have adgang til dine seneste mails på den computer, som har hentet dem ned fra serveren. Når du åbner computer nr. 2 vil dine mails være blevet slettet på mailserveren, og du vil ikke være i stand til at downloade dem en gang til. 

Fordelene ved POP3

POP3 udnytter båndbredden mere effektivt end IMAP gør. Dette er især godt, hvis du har en langsom internetforbindelse.

● Der er ingen begrænsninger på størrelsen på din indbakke med POP3.

Hvad er IMAP?

IMAP står for Internet Message Access Protocol. IMAP er en mail-protokol, der bruges til at få adgang til e-mails fra en mailserver. Med IMAP kan du på flere forskellige enheder se alle dine e-mails, der ligger på mail-serveren. Dine e-mails gemmes ikke kun mailserveren, men IMAP gemmer også en kopi af din e-mails på alle dine enheder.

Derudover synkroniserer IMAP, i modsætning til POP3, alle dine mapper; din indbakke, sendte mails, slettede mails osv.

Og når du opretter en mappe på din telefon, så vises mappen også automatisk på din computer samt på e-mailserveren.

Når du bruger IMAP, så skal du huske på, at hvis du sletter en hentet e-mail fra din smartphone, slettes denne e-mail automatisk fra din computer og fra mailserveren. 

Fordelene ved IMAP

Med IMAP kan du nemt overføre alle dine gamle e-mail til et nyt mailprogram, hvis du beslutter dig for at skifte e-mailklient. Det tager kun et par minutter, og du kan nemt downloade alle dine e-mails fra serveren.

● Når du vælger en e-mail, der er konfigureret med IMAP på one.com, så bliver der automatisk gemt en kopi på mailserveren af alle dine e-mails. Det betyder, at hvis din computer går i stykker eller bliver stjålet, så behøver du ikke bekymre dig om, hvorvidt du har mistet dine data eller ej. Vores backup-system på one.com beskytter dine mails mod næsten enhver tænkelig risiko.

● I modsætning til POP3 så gemmer IMAP en kopi af dine e-mails på mailserveren. Derfor kan IMAP hente e-mails fra mailserveren flere gange, da en kopi af e-mailen altid vil eksistere på serveren, indtil du beslutter dig for at slette den.

POP3 vs IMAP

Så hvilken en e-mailprotokol skal du så vælge?

Du bør vælge POP3, hvis du kun har behov for at hente dine e-mails én gang fra en computer eller anden enhed.

Selvom du ikke har en internetforbindelse, så kan du stadig se dine e-mails, når du benytter en POP3-løsning. Derudover sparer du en masse lagerplads på din mailserver, da alle e-mails slettes, hver gang de er blevet downloadet til din enhed.

Omvendt bør du vælge IMAP, hvis du bruger flere enheder og vil kunne tilgå dine emails uanset, hvor du befinder dig. 

IMAP gemmer en kopi af alle dine e-mails på mail-serveren, hvilket betyder, at du ikke skal bekymre dig om at miste data. Derudover vil du kunne se alle dine mapper, og for at øge brugervenligheden vil opsætningen endda se ens ud på alle dine enheder.

IMAP og POP3 på one.com

One.com giver dig let adgang til dine IMAP e-mail konti fra både Windows-, Linux- og Mac-computere, men også fra din smartphone.

Med vores webmail på one.com er du altid sikret, at du kan læse og sende e-mails uanset, hvilken computer du er koblet på. Vælg vores IMAP-løsning for at opnå størst mulig fleksibilitet og let adgang til alle dine sendte og modtagne e-mails. 

På one.com anbefaler generelt til de fleste af vores kunder at vælge en IMAP-løsning. Men du kan som sagt også vælge en POP3, hvis du blot har brug for at have dine e-mails ét sted.