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Other PDF Issues

How to Send Fillable PDFs via MaaS360 Email App on iOS

Anum MushtaqAnum Mushtaq Oct 19, 2026 868 views

Question details

The user wants to automatically route fillable PDF submissions through the MaaS360 email app instead of the native iOS Mail app.

How to Send Fillable PDFs via MaaS360 Email App on iOS
Product
PDF on iOS
Device & OS
iOS
Scenario
Submitting a completed PDF form within a managed enterprise environment using the MaaS360 mail application.
Observed behavior
Clicking the PDF's Submit button forcibly opens the native iOS Mail app, which lacks a configured email profile, causing the submission to fail.
Before you start

Ensure you have the latest version of the MaaS360 app installed on your iOS device and confirm with your IT administrator that external file sharing is permitted under your organization's Mobile Device Management (MDM) policies.

Solution 1Recommended

Manually Share via the iOS 'Open In' Feature

Since iOS restricts overriding the native Mail app for embedded PDF mailto links, manually sharing the saved document is the most immediate and reliable workaround.

Apple's iOS system generally does not allow a PDF form's native 'Submit' action to automatically bypass the system mail composer and launch a specific third-party managed email application.

1
Save the Completed PDF

After filling out the required form fields in your PDF reader, save the document locally on your iOS device.

2
Access the Share Menu

Tap the 'Share' icon (a square with an upward-pointing arrow) or look for an 'Open In' option within your PDF application.

3
Select the MaaS360 App

Scroll through the list of available applications in the iOS Share Sheet and select the MaaS360 Email app to draft a new message with your completed PDF attached.

Manually Share via the iOS 'Open In' Feature
System Limitations: If ActiveSync configuration for the native Mail app is restricted by your organization, the native submit button will never function as expected. Manually sharing is required.
Efficient PDF Management on Mobile

Fill and Share PDFs Seamlessly with WPS Office

WPS Office provides robust PDF tools for iOS, allowing you to easily fill out forms, manage documents, and securely share them to any installed third-party enterprise email app, including MaaS360.

  1. 1. Open PDF in WPS Office: Launch the WPS Office app on your iOS device and open your fillable PDF form.
  2. 2. Fill the Form: Tap on the specific form fields to enter your data, or use the built-in annotation tools to add secure signatures.
  3. 3. Access Sharing Options: Tap the 'Share' button located in the bottom navigation menu after saving your changes.
  4. 4. Send via MaaS360: Select 'More App' or 'Send File' from the menu, then choose the MaaS360 email app from the iOS share sheet to send the completed file.
Easily fill, annotate, and sign PDF forms directly on your mobile device.Fully compatible with Adobe PDF and Microsoft Office file formats.Seamlessly share completed documents to third-party managed apps like MaaS360.Lightweight, user-friendly, and free to download for iOS and other platforms.
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Frequently Asked Questions

Can I change the default email app on iOS to MaaS360?

While modern versions of iOS allow users to change the default email app for standard web links, enterprise managed apps like MaaS360 often cannot intercept embedded PDF 'Submit' actions, which are hardcoded to trigger the native system mail composer.

Why does the PDF 'Submit' button only open Apple Mail?

The 'Submit' action embedded in standard PDFs is programmed to trigger the native OS mail composer. On iOS devices, this defaults to Apple Mail and generally ignores third-party managed email profiles.

How can administrators prevent users from seeing the Apple Mail prompt?

To avoid user confusion in a managed environment where Apple Mail is blocked via ActiveSync, IT administrators should remove the embedded PDF 'Submit' button during document creation and instruct users to share the saved file manually via the Share Sheet.