Work email (iOS Sophos container policy)

With the Work email configuration you define user settings for your Microsoft Exchange Server. These settings are applied to the Sophos Secure Email app if it is installed in the Sophos container.

Main email account



Exchange server

The Exchange server address.

If you use the Sophos Mobile EAS proxy, enter the URL of the EAS proxy server.


The user for this account.

If you enter the variable %_USERNAME_%, the server replaces it with the actual username.

Users must enter the account password on their devices.

Email address

The email address of the account.

If you enter the variable %_EMAILADDRESS_%, the server replaces it with the actual email address.


The domain for this account.

Support contact email

The email address that will be used as the "Contact Support" email address.

Managed accounts

In addition to the main email account, you can add up to two accounts, called Managed accounts, to Sophos Secure Email.

Note the following:

  • When you configure managed accounts, users can’t add accounts manually. They can use accounts that they added before you assigned the policy.
  • If there’s an existing account with the same email address, it’s converted into a managed account.

Email settings



Use secure text fields

The content of input fields is secured. Auto-complete and auto-correction are disabled within the Sophos Secure Email app to prevent sensitive words to be saved in the memory of the device.

Allow external content

Users can load external mail content like images.

Maximum email size

Email messages that are larger than the size you select (including attachments) are not retrieved from the Exchange server.


The notification type for new email:
  • System: Notifications are managed by iOS. They don’t include details like Sender or Subject.
  • App: Notifications are managed by the Sophos Secure Email app. When the app is not running, no notifications are displayed.
  • None: No notifications are displayed.
This setting also affects event reminders:
  • System, None: Event reminders only include time information.
  • App: Event reminders include time, location and title information.


The type of information that is displayed in a notification.

This setting is only available if you’ve selected App in Notifications.

Default signature

The default email signature.

EWS server

The URL of your Exchange Web Services (EWS) server.

If you leave this field empty, Sophos Secure Email uses the URL you configured in Exchange server.




Synchronize Outlook tasks and notes

Users can view their Outlook tasks and notes in Sophos Secure Email.

By default, users can also create, edit, and delete tasks and notes. To turn this off, select Tasks and notes are read-only.

Tasks and notes are read-only

Users can’t create, edit, or delete Outlook tasks and notes in Sophos Secure Email.

Call identification

Contact information from Sophos Secure Email can be used to identify company contacts in incoming calls, without the need to export Sophos Secure Email contacts to the device contacts.

To use this, users must turn on the following device settings:

  • In the Settings app: Phone > Call Blocking & Identification > Email
  • In the Sophos Secure Email app: Settings > Contacts > Call Identification

Export contacts to device

Users are allowed to export the Exchange contacts to the local device contacts, so that they can identify company contacts in incoming calls.

Sophos Secure Email keeps the information synchronized.
Note The local contact information is automatically deleted in the following situations:
  • When the Corporate Email configuration is removed from the Sophos container policy (requires a restart of the Secure Email app).
  • When the Sophos container is removed from the device.
  • When the device is unenrolled from Sophos Mobile.

Data protection



Deny copy to clipboard

Users cannot copy or cut texts from the Sophos Secure Email app.

Open attachments

In all apps: Attachments can be opened in all apps that support the file format.

In container apps: Attachments are encrypted with a device key and can only be opened in Sophos Secure Workspace. The Open in action itself is not blocked.




Use system CA list

For incoming encrypted emails, Sophos Secure Email uses the certificate authority (CA) list provided by iOS or iPadOS to validate the certificate’s chain of trust.

If you clear this setting, all certificates of the chain of trust must be available on the device.

Encrypt by default

If the recipient’s S/MIME certificate is available, emails are sent encrypted.

Sign by default

Outgoing emails are signed by default with a user’s S/MIME certificate.

Users can change the default in the Sophos Secure Email settings or can send individual messages unsigned.

Allow S/MIME encryption

Users can send and receive emails that are encrypted with a S/MIME certificate.

Allow S/MIME signing

Users can sign emails if their S/MIME certificate is available on the device.

OAuth 2.0

With these settings, you set up Sophos Secure Email so that users access their Exchange accounts via your organization’s Office 365 sign-in procedure.



Turn on OAuth 2.0

Turn on Office 365 authentication.

Authorization endpoint

The OAuth authorization endpoint of your application in Microsoft Azure.

Enter the value displayed in the Azure portal under OAuth 2.0 authorization endpoint (v2).

Client ID

The ID of your application in Microsoft Azure.

Enter the value displayed in the Azure portal under Application (client) ID.

Redirect URI

The location that the Office 365 API uses for authentication responses.

Enter the following text:


Token endpoint

The OAuth token endpoint of your application in Microsoft Azure.

Enter the value displayed in the Azure portal under OAuth 2.0 token endpoint (v2).

Extra settings

Only configure these settings if instructed by Sophos Support.