Download of DmailerBackup 3.3.19143 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software is included in System Tools. The actual developer of this free software for Mac is Dmailer. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Dmailer Backup is FREE backup software for your PC or Mac and includes a FREE 2GB Dmailer Online backup account for additional storage. Dmailer Backup is perfect for backing up photos, videos, music files and all of your other important documents.
You may want to check out more Mac applications, such as SimpleSync, Titan4 or iSauvegardes, which might be related to DmailerBackup.