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Copy Google mail content (custom domain) to Infomaniak
This guide explains how to transfer to Infomaniak email addresses currently hosted by Google (with a custom domain); refer to this other guide if you are looking for information on importing a simple Gmail address (…@gmail.com).
Preamble
- It is easy to transfer your entire email directory to Infomaniak - discover the offers.
- Use your email address on a simple browser, Outlook, etc. and on mobile devices iOS/Android thanks to the Infomaniak Mail app.
- Import your contacts to continue communicating with them from your new email.
- The operation does not affect either the data already present on the destination address, or that of the source address.
- The entirety of the external mailbox will be imported.
- Once the import process has started, it is no longer possible to interrupt it.
- Any duplicates are managed: identical content will only be copied once.
Import your entire email history
Infomaniak Prerequisites
- Have a Mail Service on your Infomaniak Manager.
- Have a quota of available addresses or adjust it in advance if necessary.
- Ensure that the email is properly secured
- Create one or more addresses on this Mail Service.
- If you have many (10+) email addresses to create, refer to this other guide regarding mass creations.
- The destination email address must be linked to the user (= to the Infomaniak account) that you are using.
Google Prerequisites
- Activate two-step authentication (2FA):
- It is imperative to activate two-step authentication in Gsuite - if necessary the organization administrator will first have to allow users to activate it from admin.google.com.
- In the settings of your Google account (https://myaccount.google.com/), go to the Security tab and activate Two-Step Verification:

- Read the complete Google guide
- Create an application password:
- Once 2FA is activated, go to application passwords (https://myaccount.google.com/apppasswords).
- Follow the complete Google guide:
- Click on App Passwords.
- Enter, if requested, the password of your Gmail account.
- Give a name to your password (for example ImportINK), it is simply descriptive:

- Click on Generate.
- Copy or note the password that appears on the screen (it does not contain spaces).
Import Google email content to Infomaniak
- Click here to access the import tool (online service https://import-email.infomaniak.com).
- If you have many (10+) email addresses to import, refer to this other guide about bulk imports.
- If necessary, log in to your Infomaniak account on the Organization of your choice; indeed, the import will be to one of the email addresses attached to the Infomaniak Web Mail interface (online service ksuite.infomaniak.com/mail) of the Infomaniak account you are using.
- Click on single import.
- Fill in the left field with your existing Google email address (whose content is to be copied):
- Fill in the right field with the application password created above.
- If necessary, modify the Advanced Settings to specify an IMAP server address:
- Enter the IMAP server name
imap.gmail.com(or trymail.gmail.comin case of error). - Leave the default port (993) and SSL.
- Enter the IMAP server name
- Click on Confirm.
- Choose which email address to import emails to; the dropdown menu lists the email addresses currently attached to your Infomaniak Web Mail interface (online service ksuite.infomaniak.com/mail) of the Infomaniak account you are logged in to.
- After selecting the desired destination address from the list, click the blue Import emails button.
- The copy starts, you can wait and see the result on the page once the import is complete, or close the window (the import continues in the background - refer to this other guide from point 13 about import tracking).
- A confirmation email will be automatically sent to all email addresses concerned by the operation once the import is complete, mentioning the number of messages copied.
Adjust application settings
As soon as you take the necessary steps for the domain name associated with your email to work with Infomaniak, modify the settings of the email software/clients you use so that they connect correctly to the Infomaniak servers: follow the configuration assistant.
Labels and data volume
The storage space displayed at Infomaniak may not match the one indicated in Gmail, notably due to the different management of labels / tags. Indeed, those present in Gmail will be converted into folders on the Infomaniak servers (same principle as when fetching mail with an IMAP email software/client like Thunderbird):
Therefore, an email labeled in multiple Gmail folders may be counted multiple times during the migration, which explains why an account displaying, for example, 6 GB in Gmail can occupy 18 GB once transferred to the Infomaniak servers.
Be patient when importing a large volume of emails; Gmail and Microsoft imports are deliberately slowed down (example: 1 GB/day bandwidth for Google) to avoid rejections from their side.
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