Prism IMAP Backup Tool is an enterprise network mail backup utility powered by a 20-socket parallel TLS 1.3 parser and automated namespace resolver for cPanel, Dovecot, Postfix, Zimbra, Zoho, and Yahoo servers.
Key Capabilities:
- Input Sources: Any RFC 3501 IMAP mail server, Linux cPanel/Dovecot Maildir directories, Zoho Mail, and Yahoo Mail.
- 17 Output Targets: Outlook PST (Unicode), Searchable PDF/A (with custom Bates stamping), MBOX, EML, MSG, HTML, MHTML, RTF, DOC, TXT, JSON, CSV, EMLX, Microsoft 365, IMAP, and Yahoo.
- Solves Server Quotas: Safely archives historical emails to local storage to free up tight 5GB cPanel disk limits.
- Socket Keep-Alive: High-speed streaming (up to 15 GB/hr) with auto-reconnect buffers.
Official Product Specifications:
https://prismmigration.com/products/imap-backup-tool
Free Evaluation Download:
https://prismmigration.com/products/imap-backup-tool/download
Features
- Backup any IMAP server and cPanel webmail to 17 formats
- Exports to Outlook PST, Searchable PDF/A, and MBOX
- Supports cPanel, Dovecot, Zimbra, Zoho, and Yahoo Mail
- Automated namespace resolver for INBOX dot prefixes
- Safe Free-Up Server Quota mode prevents mailbox full errors