PPe

Seminars

Email Syncing Protocols

|| Content

  • Which protocols?
    • POP3
    • IMAP
    • SMTP
    • Security
  • Recommendations
Author

Author: 

  P P Email

Affiliation: 

  Ameliour Innovations

Date: 

  Sat, 2 Apr 2022

  First Pub.: December 2017

Photo Credit


Email Syncing Protocols

PPemail offers the common methods to sync your device(s) including IMAP, POP3, SMTP, and SSL/TLS.


Which syncing protocols to use?

IMAP & POP3 are for incoming (getting your email) while SMTP works on the outgoing (sending emails).  SSL/TLS adds a layer of security but may not function properly on older systems.  The best protocol for you depends on how you use email.


Incoming

IMAP: Better when syncing across multiple devices

  • The PPemail server syncs the actions with the email applications across all your devices.
  • Read/delete/move a message on one device and the action syncs across all your devices.
  • Create a subfolder on a desktop, it’s available on your mobile device too.

POP3: Best for keeping account information independent

  • The PPemail server holds the message until a device connects then manages each device independently.
  • Read/delete/move a message on one device and other devices do NOT sync the action.

See a detailed comparison between IMAP & POP3 at Wikipedia


Outgoing

SMTP: Protocol to send outgoing email

  • Can send outgoing email through different servers, usually dependent on location.
  • Use different servers for WiFi, mobile, office, & home 
  • Unsecured (public) servers are convenient but are risky because they expose messages and devices.  Be careful.


Security

SSL/TLS: Required security feature

  • PPemail servers create an encrypted connection thereby preventing messages from being read in transit.
  • Highly recommended to use SSL/TLS
  • Some older systems are unable to connect using it.


Recommendations

For most, the main decision is between POP3 and IMAP.

  • IMAP if prefer to act on an email once across all devices
  • POP3 if use one primary device while occasional checks from secondary devices.

Because security is important, send all emails only through authorised SMTP and enact SSL/TLS.  Update the device’s system if the current one prevents it.

Whatever your career.  Wherever you take it.  PPemail goes too.

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