How to Import MBOX to Rackspace Account? Verified Guide

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Updated on
August 7, 2025

5 minutes Read

Summary: A user is moving from an email client like Apple Mail or Thunderbird to Rackspace. Now, the user wants to transfer all his old emails stored in MBOX files to his new Rackspace inbox. Consequently, the user can simply import MBOX to Rackspace email client. This blog will provide the best two methods for importing these files. Primarily, we will discuss the manual approach to perform the import process. But the manual method has some limitations, minimizing its usability. Therefore, a specialized MBOX Converter Tool discussed ahead will work best to fast-forward the process.

Reasons to Import MBOX File to Rackspace Mail

It depends on the users why they need to import MBOX files, and it changes as per their requirements. We will discuss the most common reasons here. 

Below are the reasons for the conversion process:

  1. When a user needs to migrate his emails to the Rackspace email platform, he chooses to import his MBOX files.
  2. Rackspace provides stable performance and strong security, which makes it a secure platform to store your email.
  3. Rackspace stores all its emails on the cloud, making them accessible anywhere, anytime, and on any device.

Methods to Import MBOX to Rackspace

In this phase, we’ll demonstrate how users can import their MBOX files to the Rackspace Mail. For low-volume personal use, a manual approach will be demonstrated to import these MBOX files simply. Then, for a more professional and business-oriented import, we will discuss the specialized tool. Let’s discuss these methods in detail ahead.

#1 Method to Import MBOX into Rackspace Mail Manually

To carry out the process, we’ll use the Thunderbird email client as a bridge. After that, we’ll utilize an add-on available on Thunderbird to import MBOX files into it. At last, we will move our emails to the Rackspace email client. 

Below are the steps given in detail:

Step 1.  Configuring the Rackspace Mail Account in Thunderbird

  1. Start by loading Thunderbird on your system.
  2. Then, visit the Account Settings > Add Account, followed by the Mail Account option.
  3. Now, fill in your Rackspace account credentials into the dialogue box.
  4. Thunderbird can auto-detect the IMAP settings or use:


Incoming server (IMAP)
Server: secure.emailsrvr.com
Port: 993
Encryption: SSL/TLS


Outgoing server (SMTP)
Server: secure.emailsrvr.com
Port: 465
Encryption: SSL

Step 2. Importing the MBOX File into Thunderbird

  1. In Thunderbird, visit Add-ons and Themes, and install the ImportExportTools NG extension from the search.
  2. Now, either create a new folder or use the Local folder, then right-click on it.
  3. Choose ImportExportTools NG, then select Import MBOX file.
  4. After that, select Import directly one or more mbox files from the list and click OK.
  5. Now, find and import your MBOX file in Thunderbird.

Step 3. To Move Your Emails into Rackspace Mail

  1. Now, in the (local) folder you chose/made, you will find your MBOX file.
  2. At last, drag and drop those MBOX files into the desired Rackspace Mail folder.
  3. Now, the emails will start syncing with Rackspace Mail using IMAP settings.

Drawbacks of manually importing MBOX files to Rackspace:

Below are the reasons why it is considered a less effective way:

  1. You’ll have to use a third-party tool as a bridge to import from MBOX to Rackspace.
  2. A minor human error can render the entire process vulnerable to data loss.
  3. It’s difficult to move multiple MBOX files at once, making it time-consuming.

#2 Proficient Tool to Import MBOX to Rackspace Account

The MBOX Converter Tool further simplifies the migration process and provides a fast and hassle-free solution to import MBOX file to Yandex Mail, Office 365, Gmail, iCloud, IMAP Mail, and G Suite. It has a user-friendly interface, offers high reliability, and advanced filters to help users with the import process. Additionally, it ensures smooth migration even when emails contain attachments, maintaining data integrity throughout the process.

To become proficient in the tool for importing, follow the steps given:

  1. To start, run the converter tool on your desktop.
  2. Next, click on the Select file(s) or Folder option, navigate to the file you want, open it, and then press Next.
  3. Now, extend the tree hierarchy, select your file or folder, preview it, and click Next.
  4. Then, choose Email Client and select IMAP from the drop-down list, and log in with your Rackspace account credentials.
  5. At last, sort your emails using Apply Filters and click Convert.

Conclusion:

In this article, we’ve covered different ways to import MBOX to Rackspace Mail. Users have the option to choose the method best suitable for them according to their business needs. Here, we discussed a manual approach, but it has some limitations, is inaccurate, and highly time-consuming. That’s why we introduced a professional MBOX Converter Tool to users, which is efficient and reliable for the conversion process. It is suitable for both technical and non-technical users, and guarantees maximum data accuracy throughout the migration process.

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