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SMTP Debug Tool vs Softaken PST Mailbox Converter

Tests SMTP connections, not PST file conversion
SMTP Debug ToolTest and debug your SMTP connection. Quickly and for free. Softaken PST Mailbox ConverterSoftware for converting Outlook PST files into multiple email clients

Side by side

What it is
SMTP Debug Tool:A free web tool to test, proxy, and blackhole SMTP connections with real-time session logs.
Softaken PST Mailbox Converter:Softaken PST Mailbox Converter converts Outlook PST files to 15+ email, document, contact, and cloud formats without Outlook installed.
Best for
SMTP Debug Tool:3-in-1 SMTP testing and debugging
Softaken PST Mailbox Converter:Standalone PST conversion to multiple formats
Who it’s for
SMTP Debug Tool:Developers and engineers who need to debug email sending setups.
Softaken PST Mailbox Converter:IT admins, email migration specialists, and users needing to export Outlook data.
Pricing
SMTP Debug Tool:Free
Softaken PST Mailbox Converter:Freemium
Plans
SMTP Debug Tool:—
Softaken PST Mailbox Converter:Free Demo $0
Works with
SMTP Debug Tool:Amazon SES, SendGrid, Mailgun, Sendinblue, Google SMTP, Elastic Email, SMTP2GO, UniOne
Softaken PST Mailbox Converter:Office 365, Gmail, Zimbra TGZ, Lotus Notes NSF
DevHunt upvotes
SMTP Debug Tool:4
Softaken PST Mailbox Converter:0
Launched on DevHunt
SMTP Debug Tool:May 2024
Softaken PST Mailbox Converter:Jan 2026

SMTP Debug Tool features

  • SMTP Test. Run a quick SMTP session in the browser and view the full conversation log.
  • SMTP Proxy. Log an existing SMTP connection between your app and mail provider for error analysis.
  • SMTP Blackhole. Create a safe test session without exposing real credentials, capturing logs only.
  • Real-time logs. See live, detailed logs of every SMTP command and response.
  • No login required. All core functions are accessible without registration.
  • Extended parameters for logged-in users. Add subject, HTML body, and extra headers, and raise hourly limits.
SMTP Debug Tool on DevHunt →Alternatives

Softaken PST Mailbox Converter features

  • Standalone conversion engine. Convert PST files without installing Microsoft Outlook.
  • Deep Scan & Recovery. Handles corrupted PST files with dedicated recovery mode.
  • Multiple export formats. Export to MBOX, EML, MSG, PDF, HTML, VCF, CSV, IMAP, Office 365, Zimbra TGZ, Lotus Notes NSF and more.
  • Password-protected PST support. Convert encrypted PST files by providing the password.
  • Selective export & preview. Browse folders, preview items and choose specific emails or contacts to export.
  • vCard 4.0 compliance. Exports contacts as VCF with RFC 6350 vCard 4.0 standard.
  • Multi-language UI. Interface supports languages including Korean, Japanese, Chinese and others.
  • OAuth 2.0 authentication. Secure upload to IMAP/Gmail/Office 365 without storing credentials.
Softaken PST Mailbox Converter on DevHunt →Alternatives

Based on each tool's website and DevHunt data. Details may change; check the official sites.