Mistransmission Preventio Chrome extension icon

Mistransmission Preventio

👥 100K+ users
📦 v1.3.6
💾 181KiB
📅 2026-03-12
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Blocks false email transmissions to prevent unwanted communications, making it easier for individuals and businesses to maintain a clean inbox. Most beneficial for those who frequently receive spam emails or have sensitive information that needs to be protected.

Overview

Satellite office Mistransmission Prevention is an extension that adds a xxxx function to the G Suite mail screen.

(*) Satellite office Mistransmission Prevention is for G Suite users, and must be set up by a G Suite administrator before use.

Depending on the settings set by the G Suite administrator, you can display a confirmation screen in the following cases when sending an email, or you can prohibit sending an email.

- When the external domain is included in the destination. You can send it after confirming the external email address. You can prohibit it.
- When To / Cc contains more than the permitted number of external email addresses.
- When To / Cc contains more than the number of permitted internal / external email addresses.
- When a specific keyword is included in the email body.
- When there is an attached file.
- When there is an attachment file other than the permitted extension.
- When there is an attachment file larger than the allowed size.

It also has the following functions.
- When sending e-mails outside the company, if the e-mail address of the superior of each member is not entered, it will be impossible to send
Prohibit access to Gmail via @gmail.com account.
- Prohibition of specifying @gmail.com address from email From address.
- Automatically insert specific email address (es) in Bcc.
- Multilingual support (English / Chinese / Korean / German / Portuguese / Hindu / Thai / Arabic / Italian / French / Russian)

For details, please refer to the following product introduction pages and user's manuals.

■ Product introduction page
https://www.sateraito.jp/Google_Apps_Mail_Gososhinboushi.html

■ User Manual
https://sites.google.com/a/sateraito.jp/sateraito-dounyuu/Home/meru-wu-song-xin-fang-zhi-ji-neng

Tags

Productivity/workflow email productivity/workflow

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

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