You may also see SMTP referred to as SMTP Authentication. SMTP (Simple Mail Transfer Protocol) is a standard protocol to send email messages securely (encrypted). What is SMTP? (Protocol to SEND email messages)

Port 993 ( secure - SSL) - this is to be used to connect using IMAP securely.

Port 143 ( non-secure) - this is the default port.

All four email clients (Outlook, Thunderbird, Apple Mail, and Gmail) would be configured for IMAP using the username and password for the email account you wish to access allowing you to read the same email messages from every device in real time. Your email messages will be stored on the mail server allowing you to access and read those emails with another device that has your email account setup and configured.Ī real world example would be reading email messages from Outlook or Thunderbird on your computer, Apple Mail on your iPhone, and Gmail app on a tablet. If you wish to access your emails from multiple devices you'll want to use IMAP. IMAP (Internet Message Access Protocol) is a widely used standard protocol to receive email messages from a mail server.

What is IMAP? (Protocol to RECEIVE email messages) Port 995 ( secure) - this is to be used to connect using POP3 securely.Port 110 ( non-secure) - this is the default port.POP3, by default, will typically work on either of these two ports: In this day and age people use multiple devices to view email from, which is why we highly recommend using IMAP to receive emails. Since this email is stored locally on the device the email was opened from this means that you cannot view this email on another device. NOTE: When using POP3 you can access email offline since the email is stored locally on your device. However, some may still prefer to use POP3 to receive email since it reduces the amount of space used on the server (since emails are being stored on your device, where space is being used). For many years, this email protocol has been made obsolete by the growing popularity of IMAP.

Local email client being a single device (computer, mobile phone, or tablet) that you setup your email account on. POP3 (Post Office Protocol version 3) is a standard protocol to receive email messages from a remote server to a local email client. What is POP3? (Protocol to RECEIVE email messages)

When configuring a new email account on a device, whether it be a computer, mobile phone, or tablet you'll need to make sure to use the correct settings for both incoming and outgoing mail to work properly. In this article you'll learn the difference between POP3, IMAP, and SMTP.

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