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  3. What settings should I use to connect my email to a mail client?

What settings should I use to connect my email to a mail client?

To ensure that the communication between users and the mail server is secure and encrypted, as long as you make sure that your applications and the operating system you are using are compatible with TLS v1.2 and above, you should use:

  1. Secure ports using SSL/TLS communication protocol.
  2. Encrypted password

Therefore, in the email client program you are using, we recommend that you set the following settings:

IMAP: Secure port: 993, using SSL/TLS

POP3: Secure port: 995, using SSL/TLS

SMTP: Secure port: 465, using SSL/TLS

Important: In case you use secure ports (993, 995, 465) with connection via SSL/TLS in the mail clients, then no additional action regarding the encrypted password is required. 


In the event that for some reason one of the secure ports suggested above cannot be used (e.g. due to a firewall), then as an alternative you can use the default ports 143, 110 & 25 or 587 using STARTTLS and encrypted password. This upgrades the connection from insecure to secure if supported by the client and server. A necessary condition, as we mentioned above, is that your applications and operating systems support TLS v1.2 and above.

IMAP: Unsecured port: 143, using STARTTLS

POP3: Unsecured port: 110, using STARTTLS

SMTP: Unsecured port: 25 or 587, using STARTTLS

Important: If you use the default ports (143, 110 & 25 or 587) and you use STARTTLS, then you must select encrypted password in the Authentication method so that, when for some reason the communication is not encrypted, the password is encrypted so as not to it looks like plain text.

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