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IMAP y POP3

Entérate de todo lo que necesitas saber sobre IMAP y POP3

IMAP y POP3 son dos protocolos de correo electrónico diferentes. Estos protocolos se utilizan para recuperar los correos electrónicos de los servidores de correo electrónico. Para simplificar, si utilizas un cliente de correo electrónico, puedes configurarlo con IMAP o POP3 para recuperar todos tus correos electrónicos en un ordenador o en cualquier otro dispositivo. 

Tú decides si quieres utilizar IMAP o POP3. A continuación te explicamos qué hace cada protocolo de correo electrónico y cuáles son las diferencias entre IMAP y POP3. 

¿Qué es POP3?

POP3 son las siglas de Post Office Protocol 3 (protocolo de oficina de correo en español). Una de las diferencias entre IMAP y POP3 es que POP3 es más sencillo que IMAP. La única función del protocolo POP3 es descargar correos electrónicos a tus dispositivos inteligentes o a tu ordenador desde un servidor de correo electrónico. Además, POP3 solo descarga los correos electrónicos que están en tu bandeja de entrada. Así, no descargará los correos electrónicos de la carpeta de spam, la de borradores, la de correos enviados, los correos electrónicos eliminados, etc.  

El protocolo POP3 no se sincroniza. Esto significa que una vez que POP3 recibe los correos electrónicos de un servidor de correo electrónico, el servidor de correo electrónico borrará todos los mensajes y no habrá ninguna copia guardada en el servidor de correo electrónico una vez que POP3 los haya recuperado.

Por consiguiente, si tienes dos ordenadores, una vez que uno de ellos recupere tus correos del servidor de correo electrónico, el otro ordenador no podrá recuperarlos porque ya se habrán borrado. 

Ventajas del protocolo POP3

  • POP3 utiliza el ancho de banda de forma más eficiente que IMAP. Esto resulta muy conveniente si tu conexión a Internet es lenta. 
  • Con POP3 no tienes ningún límite en el tamaño de tu bandeja de entrada.

¿Qué es IMAP?

IMAP son las siglas de Internet message access protocol (Protocolo de acceso a mensajes de Internet). El protocolo IMAP te permite ver todos tus correos electrónicos que están en el servidor de correo electrónico desde múltiples dispositivos. No solo se guardan los correos en el servidor de correo electrónico, sino que IMAP también almacena en caché copias de tus correos en todos tus dispositivos. 

Además, el protocolo IMAP sincroniza todas tus carpetas. A diferencia de POP3, IMAP sincroniza la bandeja de entrada, la carpeta de correos enviados, la de correos eliminados, etc. 

Cuando utilices IMAP, ten en cuenta que si eliminas un correo electrónico recuperado de alguno de tus dispositivos, este correo se eliminará automáticamente de tus otros dispositivos y del servidor de correo electrónico. Lo mismo ocurre cuando creas una carpeta: esta carpeta aparecerá automáticamente tanto en tus otros dispositivos como en el servidor de correo electrónico. 

Ventajas del protocolo IMAP

  • Si alguna vez decides cambiar de cliente de correo electrónico, con IMAP puedes transferir fácilmente todos tus correos antiguos a tu nuevo programa de correo electrónico. Solo te llevará unos minutos y podrás descargar fácilmente todos tus correos del servidor.
  • Si te decides por el correo IMAP en one.com, todos tus correos tendrán una copia guardada en el servidor de correo electrónico. Esto significa que si tu ordenador se estropea o te lo roban, no tendrás que preocuparte por perder tus datos. Nuestro sistema de copia de seguridad en one.com protege tu correo contra prácticamente todos los peligros que puedas imaginar.
  • A diferencia de POP3, IMAP guarda una copia de tus correos electrónicos. Por lo tanto, el protocolo IMAP puede recuperar correos electrónicos del servidor de correo electrónico varias veces. El servidor siempre mantendrá una copia de tus correos no eliminados.

POP3 vs IMAP

Así pues, ¿qué protocolo de correo electrónico deberías elegir? 

Deberías decantarte por POP3 si quieres recuperar tu correo electrónico una sola vez desde un ordenador o dispositivo inteligente.  

De esta manera, incluso si no tienes conexión a Internet, puedes ver tus correos electrónicos utilizando POP3. Además, ahorrarás mucho espacio de almacenamiento en tu servidor de correo electrónico, ya que los correos se eliminan cada vez que se descargan en tu dispositivo. 

Por otro lado, si utilizas varios dispositivos, deberías usar el protocolo IMAP. 

IMAP guarda una copia de todos tus correos en el servidor de correo electrónico, lo que significa que no tienes que preocuparte por la pérdida de datos. Además, podrás ver todas tus carpetas, y todas se verán igual en todos tus dispositivos.

IMAP y POP3 con one.com

one.com te permite acceder fácilmente a tus cuentas de correo IMAP desde Windows, Linux y Mac, y también desde smartphones.  

Con nuestro webmail en one.com, te garantizamos que podrás acceder, leer y enviar correos electrónicos independientemente del dispositivo desde el que estés conectado. 

Elige IMAP para un acceso flexible a todos los correos que has enviado y recibido, y escoge el correo POP3 si quieres tener todos tus correos electrónicos en un mismo sitio. En one.com solemos recomendar utilizar IMAP.