Known and fixed issues

Last published : Oct 12, 2026
Citrix® supports upgrades from the last two versions of the mobile productivity apps.

Secure Mail for iOS 26.8.0

Fixed issues

  • On iPad, an email conversation might show only the most recent message, while earlier messages and their attachments in the thread are missing.
  • On iPad, opening a calendar item from the weekly calendar view might display a blank screen.
  • Secure Mail might display a white screen on devices running iOS 27.
  • When you share an attachment to another app or save it to Files, the original filename might be replaced with a randomly generated string.

Known issues

There are no known issues in this release.

Secure Mail for Android 26.5.0

Fixed issues

  • Mail synchronization and content downloads might fail when ping storm or download storm conditions cause HTTP 503 errors on the mail server.
  • Gateway certificate renewal might fail in Secure Mail for Android.
  • Secure Mail might fail to launch in AMAPI mode because of a compatibility issue.

Known issues

There are no known issues in this release.

Secure Mail for iOS 26.5.0

Fixed issues

  • On iPad, the attachment option might be missing in Secure Mail.
  • On iPad, the HTML calendar invite body might not render in Secure Mail.
  • If Secure Hub doesn't prompt for reauthentication, the Secure Mail screen might flash.
  • During the initial launch, Secure Mail might display a white screen and recover only after a restart.
  • When you perform an app wipe on a DEP device, the MDM profile might not be deleted.

Known issues

There are no known issues in this release.

Secure Mail for iOS 26.1.0

Fixed issues

  • Users might still be able to copy and paste text by the translate option when text copy is blocked in XenMobile.
  • When you try to open file attachments using the option Open in, a blank file might appear and the attachment fails to open.
  • When you try to open small attachments (less than 1 MB) in Secure Mail on iPhone, the app might fail to open them with the error message: “Cannot open attachments.”
  • When user certificates expire, users might receive duplicate certificate renewal prompts.
  • Secure Mail might not recover when the maximum PIN retry limit is exceeded.
  • When you edit contacts in Secure Mail, the app might become unresponsive.
  • When you use Secure Mail, the app might intermittently display a blank screen.
  • Calendar search overlay in Secure Mail on iPad might not properly cover background buttons.

Known issues

There are no known issues in this release.

Secure Mail for Android 25.12.0

Fixed issues

  • When you use Secure Mail on enrolled Android devices, some users might sometimes experience Active Directory (AD) account lockouts.
  • Android enrolled devices might receive duplicate Access Gateway (AG) client certificates when a valid certificate already exists, increasing load on the PKI server.
  • Secure Mail push notifications might not work for Android devices.
  • Scrolling might not work while typing in Secure Mail for Android.

Known issues

There are no known issues in this release.

Secure Mail for iOS 25.9.0

Fixed issues

  • When you update Secure Mail to version 25.5.0 on iPad, certain pages experience scaling problems and the display might not be supported.
  • Secure Mail might fail to add O365 mail accounts.
  • Certificate synchronization and requests might fail after the certificate expires.
  • The app might remain available after Secure Hub is removed from the device.
  • When the AG Session expires, Secure Mail might fail to work.
  • When you unlock the device with Face ID or Touch ID enabled, Secure Mail might fail to display content.
  • Secure Mail might fail to switch app mode to dark or light after accessing the Calendar event page.
  • Secure Mail might fail to display the settings page properly after work week starts on setting updates on iPad.

Known issues

There are no known issues in this release.

Secure Mail for Android 25.8.0

Fixed issues

  • When you click email links in Secure Mail on Android devices, the links might not work as expected.
  • When you try to open large attachments in Secure Mail on Android, the app might close unexpectedly with the following error message: "Not enough memory".
  • Android Secure Mail might fail to retrieve emails when the Access Gateway certificate expires.

Known issues

There are no known issues in this release.

Secure Mail for Android 25.6.0

Fixed issues

  • When you upgrade Xiaomi devices to Operating System 14, Secure Mail might crash and the process might not be supported.
  • When you use Exchange environments with Certificate Strong Mapping enabled, Transport Layer Security (TLS) connection might fail.
  • When you set the language to Dutch, Secure Mail calendar pop-up buttons might not align.

Known issues

There are no known issues in this release.

Secure Mail for iOS 25.5.0

Fixed issues

  • When you try to open missed call emails sent from Skype in Secure Mail, the app might close abruptly.
  • Secure Mail might fail to connect after applying patch KB5014754 to the Domain Controller.
  • The app might fail to sync if you reconnect to Wi-Fi, or if either the certificate or Secure Ticket Authority (STA) ticket expires.
  • When your certificate has expired in Secure Mail, the app might fail to renew the certificate.
  • When you try to log in to GoToMeeting in Secure Mail, the process might fail with the following error message: “This endpoint is no longer valid".

Known issues

There are no known issues in this release.

Secure Mail for Android 25.3.0

Fixed issues

This version addresses areas that improve overall performance and stability.

Known issues

There are no known issues in this release.

Secure Mail for Android 25.1.0

Fixed issues

This version addresses areas that improve overall performance and stability.

Known issues

There are no known issues in this release.

Secure Mail for iOS 25.1.0

Fixed issues

  • When you try to open email attachments larger than 10 MB in Secure Mail, the attachments might fail to download.
  • When a user has multiple mail accounts configured in Secure Mail on an iPhone running iOS 18, the app might close abruptly.

Known issues

There are no known issues in this release.

Secure Mail for iOS 24.11.0

Fixed issues

Secure Mail is unable to sync emails on both iPhone and iPad devices due to a network connectivity issue.

Known issues

  • Secure Mail doesn't sync with the server when you disconnect and reconnect your Wi-Fi. As a workaround, users can restart Secure Mail.
  • Secure Mail might close abruptly if a user adds two accounts in Secure Mail. As a workaround, use Secure Mail in landscape mode to avoid this issue.

Secure Mail for Android 24.11.0

Fixed issues

There are no fixed issues in this release.

Known issues

There are no known issues in this release.

Secure Mail for Android 24.9.1

Fixed issues

When using Secure Mail on a foldable Android phone or Android tablet, the app might close automatically when you try to compose an email.

Known issues

There are no known issues in this release.

Secure Mail for Android 24.9.0

Fixed issues

When you open Secure Mail in MAM mode, the following error message might be displayed:
"Unsupported change to SDK Management Policy."

Known issues

There are no known issues in this release.

Secure Mail for iOS 24.9.0

Fixed issues

  • Secure Mail for iOS might display an incorrect push notification with the following error message: "We are unable to fetch this message as your session has expired."
  • When you click the .ics file in a meeting invitation received on Secure Mail for iOS from other calendar apps, the app might incorrectly schedule the appointment at the wrong time.
  • When using Secure Mail for iOS in dark mode, the email body content becomes unreadable when you try to forward it.
  • Secure Mail for iOS force closes when switching from the month view to the day view in the calendar.
  • In Secure Mail for iOS, the calendar invites page appears in dark or light theme based on device settings rather than the Secure Mail app theme settings.

Known issues

There are no known issues in this release.

Secure Mail for Android 24.7.0

Fixed issues

There are no fixed issues in this release.

Known issues

There are no known issues in this release.

Secure Mail for iOS 24.3.0

Fixed issues

  • Despite the successful installation and enrollment of Secure Mail, end users might get the following error message when configuring the app:
    "The connection to the server timed out. Please try again in a few minutes"
  • After upgrading to Secure Mail for iOS version 24.2.0, existing end users might be unable to access Secure Mail and they get the following error message:
    "Secure Mail couldn’t reach the server. Try entering the server address again. If you still have trouble, contact your IT administrator"
  • Secure Mail stops responding when end users try to open the app on iPad devices. This issue is specific to devices running iPad version 17.3.1 and later.

Known issues

There are no known issues in this release.

Secure Mail for iOS 24.2.0

Fixed issues

  • In Secure Mail for iOS, you might not be able to see the Add button (+) on the calendar page, which prevents you from creating new calendar events.
  • Secure Mail is unable to sync emails on both iPhone and iPad devices due to a network connectivity issue.
  • When you use dark mode in Secure Mail for iOS, you mightn't be able to read your email messages.

Known issues

There are no known issues in this release.

Secure Mail for Android 24.1.0

Fixed issues

  • When you try to open email attachments that are larger than 10 MB, the Secure Mail for Android becomes unresponsive.
  • When you try to open an email attachment that is in .docx format and has Arabic characters or hyperlinks, Secure Mail for Android becomes unresponsive. The issue occurs when the Polaris SDK isn't updated.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.10.0

Fixed issues

  • When you open any attachment from Secure Mail, you might find the Upload to Citrix Files option under the More (⋮) > Open with option, even if the Citrix Files app isn't installed on your device.
  • When you preview an .ics file that attached to a meeting invitation received in Secure Mail, you might notice that the meeting time that shown in the .ics file preview is an hour behind the original time. This issue occurs in daylight saving time regions.
  • When you upgrade Secure Mail to version 23.8.2 and enable dark mode, you might encounter an issue while previewing an email attachment. You might not be able to see the menu list when you click the ellipsis (…) button.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.8.2

Fixed issues

There are no fixed issues in this release.

Known issues

When you upgrade Secure Mail to version 23.8.2 and enable dark mode, you might encounter an issue while previewing an email attachment. You might not be able to see the menu list when you click the ellipsis (…) button. As a workaround, you can switch Secure Mail to light mode.

Secure Mail for Android and iOS 23.7.0

Fixed issues

There are no fixed issues in this release.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.8.1

Fixed issues

There are no fixed issues in this release.

Known issues

There are no known issues in this release.

Secure Mail for iOS 23.9.0

Fixed issues

  • When you are using Secure Mail for iOS 23.2.0 version with HCL Domino 11 server, you might not be able to send previously saved draft emails. The Secure Mail shows that the emails are sent successfully, but the recipients never receive it.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.8.0

Fixed issues

There are no fixed issues in this release.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.7.0

Fixed issues

  • You might not receive reminder notifications for calendar events. The issue occurs when the alarm and reminder permission is revoked for Secure Mail.

Known issues

There are no known issues in this release.

Secure Mail for Android 23.6.0

Fixed issues

When you view email attachments, you might see a watermark that says “License expired.” The issue occurs if you are using Secure Mail for Android version 23.3.5 or earlier. To view the email attachments without the watermark, upgrade to Secure Mail for Android version 23.6.0 or later.

Known issues

There are no known issues in this release.

Secure Mail for iOS 23.5.0

Fixed issues

  • When you receive digitally signed emails and open them in Secure Mail, the email attachments might not appear.

Known issues

There are no known issues in this release.

Known and fixed issues in older versions

For known and fixed issues in older versions of Secure Mail, see History of Secure Mail known and fixed issues.