Can anyone explain how to convert MBOX to NSF for IBM Notes?

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I am currently trying to migrate some old email data, and I have run into a bit of a challenge. I have several email files saved in MBOX format, and I now need to access them in IBM Notes, which uses the NSF file format. I am not sure what the safest and most reliable method is to convert MBOX files into NSF without losing email data, folder structure, or attachments. I prefer a solution that is accurate and not overly complicated, since this is important data. Has anyone here done this before? Are there any trusted tools you would recommend?
 
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You can easily convert many MBOX files to NSF files with Softaken MBOX to NSF Converter, and you won't lose any info. It has a lot of features that make switching faster and safer. Many email clients can open MBOX files, such as Thunderbird, SeaMonkey, OperaMail, AppleMail, PocoMail, and more. It works with Lotus Notes NSF files, too. It is easy to change the size of any MBOX file. Any kind of Windows and Outlook can be used with the tool. Everyone can also get a free trial pack.
 
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