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SMTP Debug Tool vs Softaken TGZ to MBOX Converter
Short answer: Pick SMTP Debug Tool if you want 3-in-1 SMTP testing and debugging; pick Softaken TGZ to MBOX Converter if you want Zimbra TGZ to MBOX conversion. SMTP Debug Tool is free; Softaken TGZ to MBOX Converter has a free plan.
SMTP Debug ToolTest and debug your SMTP connection. Quickly and for free. 
Softaken TGZ to MBOX ConverterSoftaken TGZ to MBOX Converter – A Perfect Tool for Seamless Email ConversionWhich to pick
Pick SMTP Debug Tool if you want…
- 3-in-1 SMTP testing and debugging
- SMTP debugging
- A free tool
- Integrations with Amazon SES, SendGrid or Mailgun (on SMTP Debug Tool's list, not Softaken TGZ to MBOX Converter's)
Pick Softaken TGZ to MBOX Converter if you want…
- Zimbra TGZ to MBOX conversion
- Integrations with Thunderbird, Apple Mail or Entourage (on Softaken TGZ to MBOX Converter's list, not SMTP Debug Tool's)
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 TGZ to MBOX Converter:Converts Zimbra TGZ mailbox archives to MBOX files for popular email clients.
- Best for
- SMTP Debug Tool:3-in-1 SMTP testing and debugging
- Softaken TGZ to MBOX Converter:Zimbra TGZ to MBOX conversion
- Who it’s for
- SMTP Debug Tool:Developers and engineers who need to debug email sending setups.
- Softaken TGZ to MBOX Converter:IT professionals and users needing to migrate Zimbra mail to Thunderbird, Apple Mail, etc.
- Pricing
- SMTP Debug Tool:Free
- Softaken TGZ to MBOX Converter:Freemium
- Starting price
- SMTP Debug Tool:Free
- Softaken TGZ to MBOX Converter:—
- Free plan or trial
- SMTP Debug Tool:Free to use
- Softaken TGZ to MBOX Converter:Free plan (Demo) · Free trial
- Plans
- SMTP Debug Tool:—
- Softaken TGZ to MBOX Converter:Demo FREE
- Works with
- SMTP Debug Tool:Amazon SES, SendGrid, Mailgun, Sendinblue, Google SMTP, Elastic Email, SMTP2GO, UniOne
- Softaken TGZ to MBOX Converter:Thunderbird, Apple Mail, Entourage, Eudora, Postbox, Opera Mail, Claws Mail, The Bat!
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.
Softaken TGZ to MBOX Converter features
- Direct TGZ to MBOX conversion. Reads compressed TGZ archives and exports MBOX without unpacking or Zimbra installation.
- Batch conversion. Convert multiple TGZ files of any size in one workflow.
- Preserve metadata and attachments. Keeps subject, sender, date, formatting and all attachments intact.
- Folder hierarchy retention. Maintains original TGZ folder and subfolder structure in the MBOX output.
- Preview and selective export. Shows mailbox tree for users to select specific folders or emails before conversion.
- Windows compatibility. Runs on Windows 11, 10, 8.1, 8, 7, Vista, XP (32-bit and 64-bit).
SMTP Debug Tool vs Softaken TGZ to MBOX Converter FAQ
What is the difference between SMTP Debug Tool and Softaken TGZ to MBOX Converter?+
SMTP Debug Tool: Debugs SMTP connections, unrelated to TGZ to MBOX conversion.
Should I use SMTP Debug Tool or Softaken TGZ to MBOX Converter?+
Pick SMTP Debug Tool if you want 3-in-1 SMTP testing and debugging, SMTP debugging or a free tool. Pick Softaken TGZ to MBOX Converter if you want Zimbra TGZ to MBOX conversion or integrations with Thunderbird, Apple Mail or Entourage (on Softaken TGZ to MBOX Converter's list, not SMTP Debug Tool's).
Is SMTP Debug Tool or Softaken TGZ to MBOX Converter free?+
SMTP Debug Tool is free. Softaken TGZ to MBOX Converter has a free plan (Demo) and paid plans.
Do SMTP Debug Tool and Softaken TGZ to MBOX Converter integrate with the same tools?+
Their integration lists don't overlap: SMTP Debug Tool lists Amazon SES, SendGrid, Mailgun, Sendinblue and 4 more; Softaken TGZ to MBOX Converter lists Thunderbird, Apple Mail, Entourage, Eudora and 5 more.
On DevHunt
Softaken TGZ to MBOX Converter
0 upvotes · Launched on DevHunt on Jan 6, 2026
Based on each tool's website and DevHunt data. Details may change; check the official sites.