We support mail, forum, and calendar services through MAILPLUG mail application.

Free application for hundreds of thousands of users who corporate mail specialized, MAILPLUG. In addition to mail, we offer approval, schedule, and forum services for mobility and productivity.

With MAILPLUG application, you can work efficiently anytime, anywhere. It provides various notification functions to quickly identify and handle important issues, and enables real-time in-house communication through forum.

Manage your business more reliably with the corporate mail application provided by MAILPLUG!
※ This is a free application that can be used by MAILPLUG members. (You can tour Mailplug's services for free via test version.)
※ Mobile web and application are all supported. (App support range: iOS 10 or higher)

[Key Features by Service]
1. Mail
- You can read and delete directly from the mailing list by sliding left and right.
- You can check the previous and next emails by sliding left and right.
- Tap and hold the mailing list to move or delete multiple mails at once.
- You can click sender information to write a reply mail, contact a phone, send a text message, etc.

2. Approval
- You can check the step-by-step progress of the approval document and comments based on decision-making in real time.
- You can use it conveniently by activating the notification you want, and you can handle the work anytime and anywhere without any restrictions.

3. Schedule
- You can check not only the schedule you registered yourself but also the schedule shared by your colleagues.
- You can send notification emails by specifying participants by schedule.
- You can share team schedules, project schedules, etc. through the shared calendar.

4. Forum
- News of the company is available in the Forum.
- You can create, modify, comment, or delete forums on your mobile.
- Important news can be notified to all employees.

5. Settings and Notifications
- Notifications for each function can be turned on and off.
- Set etiquette hours to prevent notifications from coming out of business hours.

Optional Access
Storage space: You need to attach files including photos and videos to your email and save them to your device.
※ You can use the service even if you do not agree with the optional access authority. You can approve or withdraw access from the device's Settings menu.

[Inquiry/Error Receipt]
Mailplug Customer Center: 1544-9140
Mailplug Homepage:
If you have any inconvenience while using it, please send it to the email plug website or the customer center. We will review your opinion to improve the service.

What’s New

Version 1.2.1

[v 1.2.1 Improvements]
- Add english version of app function guide

Ratings and Reviews

2.3 out of 5
3 Ratings

3 Ratings

JL@$@ ,

Not working on LTE. Working only Wifi.

If I turn off wifi. this app is can't open main screen. only can be a wifi mode.

App Privacy

The developer, MAILPLUG Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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