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Use your mailbox in a phone or desktop mail app

Add your PGB Business mailbox to Apple Mail, Outlook, Thunderbird or your phone's mail app using the values from Settings.

Updated Nov 12, 2026

PGB Business on the web and its own phone app need no setup. If you also want your mail in another program, such as Apple Mail, Outlook or Thunderbird, you can add your mailbox there. Everything stays in sync: a message read, moved or deleted in the app is the same in PGB Business.

Find your settings

  1. Open Settings and choose Mail apps.
  2. You will see three cards: Account, Incoming mail (IMAP) and Outgoing mail (SMTP). Each value has a copy button.

Copy the values from this page rather than typing them from memory, because they are specific to your workspace.

Add the account in your app

  1. In the app, choose to add an account, then pick the manual or advanced setup.
  2. Choose IMAP when asked for the account type.
  3. For Incoming mail, enter the Server, Port and Security shown on the page. Some apps call the security option "encryption" or "SSL".
  4. For Outgoing mail, enter the values from the SMTP card. If the app asks whether outgoing mail needs a sign-in, say yes and use the same username and password.
  5. Username is your full email address. The password is the one you use to sign in to PGB Business.

If the main outgoing port is blocked on your network, the SMTP card may show an alternative port and security type to use instead.

Use an app password

Mail apps do not ask for two-factor codes. Where Settings, Security, App passwords is available, an app password is the safer choice for a mail app: it is an extra password for one app, used instead of your main one. An app password belongs to one app, so you can revoke just that device if it is lost, without changing your main password.

Signatures and filters in apps

  • Filters run on the server, so they also apply to mail you read in apps.
  • Signatures set in PGB Business apply to mail you write there. Set one in the app too if you send from it.
  • Labels appear in other apps as keywords and may look different.

Common problems

  • The app says the password is wrong. Use an app password if available, or re-enter your sign-in password. If you changed your password, update it in every app.
  • I can receive but not send. Check the outgoing server details and that sign-in is switched on for outgoing mail. Try the alternative port if one is shown.
  • "Connection settings aren't available." Ask your administrator.

Related: the article on two-factor authentication and app passwords.

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