Secure your mailbox

To protect your mailbox, you need to activate mailbox authentication. How do I do this?

1. Secure receiving emails

What software do you use to check your e-mails?

  1. Open Outlook.
  2. Go to File in the top-left menu.
  3. Click Account Settings twice.
  4. Select your account.
  5. Click Repair.
  6. Click Advanced Options.
  7. Tick Let me repair my account manually.
  8. Click Repair.
  9. Go to Incoming mail and configure it as follows:
    • Server: imap.proximus.be
    • Port: 993
    • Encryption method: SSL/TLS
    • Tick "Require Secure Password Authentication (SPA)"
    • Click Next.

Important: Do this on every device you use to access your mailbox (computer, smartphone, tablet...).

That's it! Your mailbox is now protected and you can receive emails without any issues.

  1. Open Outlook.
  2. Go to File in the top-left menu.
  3. Click Settings.
  4. Click Accounts.
  5. Select your account.
  6. Click Manage.
  7. Click Repair.
  8. Select Show more.
  9. Select Use recommended settings.
  10. Click Manage account.

Important: Do this on every device you use to access your mailbox (computer, smartphone, tablet...).

That's it! Your mailbox is now protected and you can receive  emails without any issues.

  1. Open Apple Mail.
  2. Click Mail, then Settings.
  3. Click Accounts > Server Settings > Incoming Mail Account.
  4. Make sure that Allow insecure authentication is not selected.
  5. Make sure that Use TLS/SSL is enabled.

Important: Do this on every device you use to access your mailbox (computer, smartphone, tablet...).

That's it! Your mailbox is now protected and you can receive  emails without any issues.

  1. Open your email application.
  2. Go to the settings.
  3. Enable Authentication (the name may vary depending on the software).

2. Secure sending emails

What software do you use to check your e-mails?

  1. Open Outlook.
  2. Go in File, in the top left-hand menu.
  3. Choose your account.
  4. Click Server settings.
  5. Go to Outgoing mail and set it as follows:
    • Server: relay.proximus.be
    • Port : 587
    • Encrypton method : STARTTLS
    • Uncheck "Require logon using Secure Password Auhentification SPA"
    • Check "My outgoing (SMTP) server requires authentication", then "Use the same settings as my incoming mail server".
  6. Click on Next, then Complete.

Important: Do this for each device you use to check your mailbox (computer, smartphone, tablet, etc.).

And that's it, your mailbox is protected and you can send e-mails without any problem.

  1. Open Apple Mail.
  2. Click on Mail, then on Preferences.
  3. Click on Accounts > Server settings > Outgoing mail account > Modify the list of SMTP servers.
  4. Check that the Allow insecure authentication is not ticked.

Important: Do this for each device you use to check your mailbox (computer, smartphone, tablet, etc.).

And that's it, your mailbox is protected and you can send e-mails without any problem.

  1. Open your email software.
  2. Go in the Preferences.
  3. Tick the box Authentification (the name may vary depending on the software).

If these instructions are not sufficient, we explain how to check the full configuration of your mailbox.

Is it working?

No, I need more help.
Yes, thanks!